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CL Answer
Which supplements and foods can help lower or control blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
Product Review
Cinnamon Supplements and Spices Review
CAUTION: Some Cinnamon Products High in Toxin. See Which Passed or Failed and our Top Picks!
CL Answer
Pros and Cons of Stevia and Other Sugar Substitutes
Learn about the pros and cons of sugar substitutes and artificial sweeteners summarized in our table within this article.
Product Review
Holy Basil Supplements Review
Find the Best Holy Basil (Tulsi) Supplements. Tests and Reviews of Popular Holy Basil Supplements & CL's Top Pick.
Product Review
Apple Cider Vinegar Review — Bottled Liquids and Supplements
Find the Best Apple Cider Vinegar. See Which Apple Cider Vinegar Liquids and Supplements Passed Our Tests of Quality.
Product Review
Berberine and Goldenseal Supplements Review
Tests Reveal the Best and Worst Berberine and Goldenseal Products
Product Review
Extra Virgin Olive Oil Review
Many Extra Virgin Olive Oils Don't Seem to Make the Grade
Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands
CL Answer
Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes, high cholesterol, or weight loss?
Find out if Gynostemma pentaphyllum ( jiaogulan) works as an AMPK activator and helps to lower blood sugar and treat diabetes. ConsumerLab.com's answer explains.
Product Review
Psyllium Fiber Supplements Review
See Which Psyllium Supplement We Rated Best. Most Failed Our Tests Due to Lead Contamination.
CL Answer
What are the possible health benefits of fenugreek, and is it safe?
Fenugreek is promoted for boosting testosterone, increasing breastmilk production, lowering blood sugar, improving symptoms of polycystic ovary syndrome (PCOS), and other conditions, but does it work? Find out.
CL Answer
What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?
Shilajit information, including its potential health benefits, safety, proper doses and impact on male health.
CL Answer
What are the health benefits of tart cherry juice?
See the evidence for tart cherry juice health benefits from clinical studies. Find out if tart cherry has anti-inflammatory effects, if it can improve sleep, lower high blood pressure, or help for muscle pain and osteoarthritis.
Product Review
Ginseng Supplements Review
Find the Best Ginseng Supplement. Key "Ginsenosides" Found to Range 10-Fold Across Products.
Product Review
Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review -- Sources of Flavanols
Is Your Chocolate or Cocoa Healthful or Toxic? Find the Best Dark Chocolate, Cocoa Powder and Cocoa Supplements Based On Our Tests.
CL Answer
I take insulin (Humalog) for diabetes. Are there supplements that could affect my blood sugar levels and how much insulin I need to take?
Learn more about the interactions between certain supplements and insulin (sold as Humalog, Humulin, Iletin, Lantus, Levemir, Novolin, Novolog, Velosulin, etc.).
Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products
CL Answer
What is graviola? Can it really help fight cancer?
Learn more about graviola, if it can really help fight cancer, and its safety.
CL Answer
What are the health benefits of amla and is it safe?
Learn about amla (Indian gooseberry), including its potential health benefits and possible safety concerns.
Product Review
Protein Powders, Shakes, and Meal Replacements Review
Find Out Which Protein Products Passed or Failed Our Tests
CL Answer
Are L-carnosine supplements helpful and safe?
Learn about the potential health benefits of L-carnosine, as well as possible safety concerns, drug interactions and cost.
Product Review
Pomegranate Juice and Supplements Review Article
What Are the Benefits of Pomegranate Juice and Supplements? Find Out What Pomegranate Can and Cannot Do For Your Health.
Product Review
Chromium Supplements Review
Chromium Supplements Review. Best Chromium Supplements Identified -- By Strength.
CL Answer
What are the health benefits of holy basil extract?
Learn about the health benefits of holy basil leaf extract. See the clinical evidence for and against holy basil extract for lowering blood sugar in people with type 2 diabetes, reducing anxiety and stress, boosting the immune system, and reducing the pain and inflammation of arthritis. ConsumerLab.com's answer explains.
CL Answer
What is lunasin and does it really reduce cholesterol?
Lunasin supplement information, whether lunasin can lower cholesterol, safety and side effects, foods that contain lunasin, like soy.
CL Answer
Does osha root have health benefits and is it safe?
Osha root extracts are commonly promoted for congestion, coughs, throat irritation, and other uses. Find out if research supports these uses, and learn if osha root is safe.
CL Answer
When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?
Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.
CL Answer
How do I find the best quality olive oil and what are the health benefits?
Health Benefits of olive oil, including heart benefits, anti-inflammatory effects. Plus, how to choose a quality olive oil and cook with olive oil
Product Review
Probiotic Supplements Review (Including Pet Probiotics)
Probiotics: See What They Really Contain and Our Top Picks
Product Review
Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)
Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.
Product Review
Alpha Lipoic Acid Supplements Review
Choose the Best Alpha-Lipoic Acid Supplement — See the Amounts of Active "R-Isomer" We Found
Product Review
Reishi Mushroom Supplements Review
Find the Best Reishi Mushroom Supplement. See How Reishi Supplements Differ.
Clinical Update
4/22/2022
Cinnamon for Lowering Blood Sugar?
Does taking cinnamon powder or extract help control blood sugar levels in people with prediabetes or type 2 diabetes? See what the latest study, and earlier studies, have found in the Blood sugar, type 2 diabetes and prediabetes of our Cinnamon Supplements Review.
Also see: Which supplements and foods can help lower or control my blood sugar?
Clinical Update
8/22/2023
Green Tea and Blood Sugar
A laboratory study showed how green tea might help control blood sugar. Get the details in the Blood Sugar Control/Diabetes section of our Green Tea Review, which includes our Top Picks for green tea.
Also see: Which supplements and foods can help lower or control blood sugar?
CL Answer
What are the health benefits of nutritional yeast and is it safe?
Learn about the nutritional content and health benefits of nutritional yeast (nooch), evidence for or against nutritional yeast for boosting the immune system, lowering cholesterol and blood sugar, plus safety and side effects of nutritional yeast.
CL Answer
Which supplements may help with PCOS (polycystic ovarian syndrome)?
Many supplements are promoted to help treat symptoms of PCOS (polycystic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.
Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin K)
Find the Best Vitamin D Supplement with the Right Dose
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn What They Do
CL Answer
What are the health benefits of black cumin seed (black seed) oil?
Find out if black seed oil has health benefits, such as lowering blood pressure or cholesterol, asthma, weight loss, and others. Dosage, forms, including black seed oil and black seed powder, safety information, using black seed oil in foods and more. ConsumerLab.com's answer explains.
CL Answer
Do any supplements help with fatty liver disease? Are some diets more beneficial than others?
Find out if supplements such as vitamin E, fish oil, milk thistle, curcumin, choline, probiotics, vitamin D, reishi mushroom, or extra virgin olive oil are beneficial for fatty liver disease and learn which diet (Mediterranean, ketogenic, DASH, or fasting diets) seems to have greatest benefit.
Product Review
Quercetin & Rutin Supplements Review
Quality's a Concern With Quercetin and Rutin Supplements -- Only 17% of Claimed Amount In One
Product Review
Bilberry Supplements Review
Choose the Best Bilberry Supplement. Some Bilberry Is Not Authentic!
Product Review
Zinc Supplements and Lozenges Review
Find the Best Zinc Supplements and Lozenges. Have a Cold? See CL's Top Picks Among Zinc Supplements and Lozenges.
CL Answer
What is hesperidin, what is it used for and is it safe?
Learn about hesperidin, including whether its beneficial for heart health, problems with circulation, stroke, cognitive function, depression, cancer and other conditions, and find out if it is safe.
CL Answer
What are the health effects of apigenin and is it safe?
Apigenin, a flavonoid compound, is promoted for sleep, depression, cancer, and other conditions. Find out if it works and if it's safe.
Clinical Update
2/28/2023
Kombucha for Blood Sugar?
Drinking kombucha (a fermented beverage containing probiotics) with a high-carb meal may blunt the rise in blood sugar after the meal, according to a recent study. Get the details in the What It Does section of our Probiotic Supplements Review, which includes our Top Picks among products.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
3/03/2023
How You Eat a Meal Affects Blood Sugar
The order in which you eat foods during a meal can improve blood sugar control. Learn more in our updated CL Answer about supplements and food for blood sugar control.
Clinical Update
3/07/2023
Amla Extract for Blood Sugar?
Did taking amla extract reduce fasting blood sugar or HbA1c in people with type 2 diabetes? Find out in our article about the health benefits of amla extract.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
9/06/2023
Coconut Oil for Blood Sugar Control?
Does coconut oil control blood sugar levels? See what a recent analysis of clinical studies concluded in the Blood Sugar and Insulin Control section of our Coconut and MCT Oils Review. Also see our Top Picks among coconut and MCT oils.
Clinical Update
11/14/2023
Blood Sugar Control With Bitter Melon?
Bitter melon is promoted for improving blood sugar control, but does it work? Find out what clinical research suggests in our article about supplements for blood sugar control.
Clinical Update
8/23/2022
CoQ10 and Blood Sugar
Moderate doses of CoQ10 may lower blood sugar and improve insulin sensitivity in some people, but higher doses may not, according to a recent study. Get the details in the What It Does section of our CoQ10 and Ubiquinol Supplements Review.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
10/02/2021
Peanuts & Blood Sugar Control
Peanuts have been touted for controlling blood sugar, but we took a close look at a recent study used as a basis for this claim. Learn what we found in our answer to the question: Which supplements and foods can help lower or control my blood sugar?
Clinical Update
10/09/2021
Tart Cherry and Blood Sugar
Does tart cherry concentrate or capsules help with blood sugar or insulin control? See what a recent study showed in our answer to the question: What are the health benefits of tart cherry juice?
Also see our answer to the question: Which supplements and foods can help lower or control my blood sugar?
Clinical Update
10/04/2020
Morning Coffee's Effect on Blood Sugar
Many people reach for a cup of coffee in the morning, but might this impair blood sugar control? Find out what a recent study showed in our answer to the question: Which supplements can help lower or control my blood sugar?
Clinical Update
11/14/2014
Ginseng for Lower Blood Sugar
A new study found that a certain kind of ginseng helps lower blood sugar levels in people with impaired fasting glucose. For more about this study and related studies on blood sugar and diabetes with other types of ginseng (which have had mixed results), see the Ginseng Supplements Review >>
Clinical Update
11/05/2016
Cinnamon to Lower Blood Sugar?
A study in people with elevated blood sugar levels found that a particular cinnamon extract (which CL has tested) modestly lowered blood sugar levels. The way the data was analyzed, however, appears flawed in our opinion. Get the details in the "What It Does" section of Cinnamon Supplements and Spices Review >>
CL Answer
Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.
Product Review
Green Tea Review: Tea Bags, Loose Tea, Matcha Powders, and Supplements
Disturbing Findings for Some Major Brands of Green Tea. See the Test Results and Our Top Picks for Green Tea.
Product Review
NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)
How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.
Product Review
Oat Cereals Review
Find the Best Oatmeal, Oat Bran, Steel Cut Oats, & Cold Cereals. Popular Oat Cereals Tested -- Beware of Unexpected Gluten.
CL Answer
Is it possible to take too much vitamin C?
Find out the daily value of vitamin C, along with possible side effects of excessive vitamin C intake. ConsumerLab explores the topic of proper vitamin C supplement usage, and why taking too much can be harmful.
CL Answer
What are sugar alcohols and why are they in my nutrition bar?
Learn more about sugar alcohols, including maltitol and lactitol, why some products contain them, and possible side effects.
CL Answer
Can CLA slimming supplements cause liver damage?
Find out more about CLA slimming supplements and their safety, including if they can cause liver damage.
CL Answer
Can white kidney bean extract really help me lose weight?
Does white kidney bean extract help promote weight loss? Find out more including evidence from clinical studies and dosage.
CL Answer
Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.
Product Review
Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review
See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.
Product Review
Collagen Supplements Review
See our Top Picks for Wrinkles and Joints
Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead
CL Answer
What are the health benefits of dark chocolate?
Information on the health benefits of dark chocolate, including how dark chocolate may improve heart health, decrease blood sugar levels and more. ConsumerLab.com's answer explains.
CL Answer
Should you take olive oil as a supplement?
Although extra virgin olive oil has many possible health benefits, such as reduced risk of heart disease and improved blood sugar control, these and other benefits have been demonstrated when olive oil replaces for saturated fats in the diet, not when taken as a supplement, as we explain.
CL Answer
What are the side effects of ashwagandha supplements?
Learn about the safety and side effects of ashwagandha supplements, including headache, sleepiness, upset stomach, blood pressure and more. ConsumerLab.com's answer explains.
CL Answer
I have type 2 diabetes. Should I be concerned about ingredients like maltodextrin and maltitol that are found in some protein bars and drinks?
Learn more about maltitol and maltodextrin and their effects on blood glucose levels for people with type 2 diabetes.
CL Answer
How do the COVID-19 vaccines compare in terms of efficacy, safety and side effects? How, when and where do I get the COVID-19 vaccine?
Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.
CL Answer
Can supplements help me lose weight?
Learn more about weight loss supplements, including our lab test results and product comparisons.
CL Answer
I read that statins can cause diabetes. Is this true also with red yeast rice?
Find out if red yeast rice supplements increase the risk of diabetes, as some statin medications do. ConsumerLab.com's answer explains.
Product Review
Ginger Supplements, Chews & Spices Review
Tests Reveal Best and Worst Ginger Supplements & Spices. Poor Quality and Lead Contamination Discovered in Some Products.
Product Review
Coconut Oil and Medium Chain Triglycerides (MCT) Oil Review — Semi-Solid and Liquid Oils & Supplements
Find the Best Coconut Oil and MCT Oil. See How These Oils Compare on Medium Chain Triglycerides (MCTs), Quality, and Value.
Product Review
CLA (Conjugated Linoleic Acid) Supplements Review (for Slimming)
Choose the Best CLA Supplement. Not All CLA Supplements Contain What You Expect.
Clinical Update
3/29/2022
Mulberry Leaf for Diabetes?
Can taking mulberry leaf extract reduce blood sugar or improve insulin resistance in people with type 2 diabetes? Find out what a recent study suggests in our updated answer to the question: Which supplements and foods can help lower or control my blood sugar?
Clinical Update
9/17/2021
Can Collagen Lower Blood Sugar?
Can taking collagen supplements lower blood sugar levels? Find out what research suggests in the What It Does section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements.
Clinical Update
10/12/2021
Mushrooms and Blood Sugar
Find out if supplementing with reishi or oyster mushrooms helps with blood sugar control. See what the latest research showed in our Reishi Mushroom Supplements Review.
Clinical Update
8/19/2021
Diabetes and Fruit Intake
Eating whole fruits is associated with reduced risk of type 2 diabetes and better blood sugar control. But how much fruit is associated with greatest benefit, and what's the role of apples, bananas, and citrus fruits? See what a recent study showed. It's all in our article: Which supplements and foods can help lower or control my blood sugar?
Clinical Update
9/07/2021
EVOO vs. Regular Olive Oil
Extra virgin olive oil may be more beneficial than regular olive oil for blood sugar control and satiety, according to a recent study. Get the details in the Insulin Control and Blood Sugar section of our Extra Virgin Olive Oil Review. Also see our Top Picks among extra virgin olive oils.
Clinical Update
5/04/2021
Glutathione for Blood Sugar?
Does taking glutathione improve blood sugar control in people with type 2 diabetes? Find out what a recent study showed in our answer to the question: Do glutathione supplements work to prevent aging or for other conditions?
Clinical Update
5/12/2021
Black Seed Oil for Blood Sugar Control?
Find out if black seed oil improved blood sugar control in people with prediabetes in our updated answer to the question: What are the health benefits of black cumin seed (black seed) oil?
Clinical Update
5/30/2017
Olive Oil Helps in Pre-Diabetes
Adding extra virgin olive oil to a meal decreased the rise in blood sugar and increased insulin levels after the meal, according to a new study in people with pre-diabetes. Similar benefits with olive oil have been shown in people with type 1 and type 2 diabetes. For details, see the "Insulin Control and Blood Sugar" section of the Extra Virgin Olive Oils Review, which includes our tests and comparisons of popular olive oils on the market.
Clinical Update
8/20/2016
Vitamin D, Blood Sugar & Insulin Resistance
Vitamin D, Blood Sugar & Insulin Resistance --A moderate, daily dose of vitamin D had positive effects on blood glucose and insulin sensitivity in healthy men and women who largely were deficient in vitamin D, according to a new study. Get the details in the Vitamin D Supplements Review >>
Clinical Update
8/30/2016
Resveratrol for Blood Sugar?
Despite preliminary studies which found resveratrol to help lower blood sugar in people with type 2 diabetes, a larger long-term study found no benefit. Find out more in the "What It Does" section of the Resveratrol Supplements Review >>
Clinical Update
7/12/2014
Whey Protein for Blood Sugar Control?
Drinking a whey protein shake before a meal improves blood sugar and insulin response in men and women with type 2 diabetes, according to a new, preliminary study. Get more details, plus our tests of protein supplements, in the updated Protein Powders and Drinks Review >>
Clinical Update
8/26/2012
Curcumin May Help Prevent Diabetes
Past research has suggested a potential role for curcumin (from turmeric) in blood sugar control. A recently published placebo-controlled study of curcumin given daily to people with prediabetes (those with blood sugar levels somewhat higher than normal) produced dramatic results in reducing the percentage of such individuals progressing to diabetes. Get the details in the latest update to ConsumerLab.com's Turmeric and Curcumin Supplements Review -- which includes quality ratings of products and other potential uses of curcumin. More >>
Clinical Update
8/18/2020
Zinc for Lowering Blood Sugar and Cholesterol?
Zinc may help lower blood sugar as well as cholesterol levels, according to a recent analysis, but the dose and duration of zinc supplementation made a big difference. Get the details in the What It Does section of the Zinc Supplements and Lozenges Review. Also see our Top Picks for zinc.
Clinical Update
8/17/2019
Green Tea and Blood Sugar
Can drinking green tea reduce the rise in blood sugar after a meal, and if so, is the effect greater in the morning or evening? See what a new study found in the What It Does section of the Green Tea Review. Also see our tests and Top Picks among green tea supplements, and brewable and bottled teas.
Clinical Update
10/15/2019
Vitamin D & Blood Sugar Control
Maintaining moderate levels of vitamin D may aid blood sugar control, but, according to a recently published study, high-dose vitamin D supplementation may not help. For details, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Clinical Update
6/26/2018
Ubiquinol for Blood Sugar Control?
Does giving ubiquinol (the active form of CoQ10) to people with type 2 diabetes help with blood sugar control? Find out in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among CoQ10 and ubiquinol supplements.)
Clinical Update
Clinical Update
8/07/2018
Vitamin D and Blood Sugar Control
A recent study adds to the growing evidence that obtaining and maintaining adequate vitamin D levels can help with blood sugar control. For details about this and studies regarding vitamin D and diabetes, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D supplements.)
Clinical Update
9/14/2018
Curcumin for Blood Sugar Control
Does taking curcumin with a meal help control blood sugar levels? See what a study found in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric supplements and spices.)
Clinical Update
1/08/2019
Is Taking Vinegar Helpful?
Two studies compared the effectiveness of vinegar pills to liquid vinegar in controlling blood sugar after a meal. See the results in the "Blood sugar control" section of the Apple Cider Vinegar Review. (Also see our Top Picks for apple cider vinegar.)
Clinical Update
2/12/2019
Vitamin C for Blood Sugar Control
High-dose vitamin C was found to help control blood sugar levels in people with type 2 diabetes in a recent study. For details, see the What It Does section of the Vitamin C Supplements Review. Also see our latest Top Picks for vitamin C.
Clinical Update
5/11/2019
Best Oats for Controlling Blood Sugar?
A recent study compared the effects on blood sugar and insulin levels of steel-cut oats, old fashioned rolled oats, instant ("quick") oats, and honey nut oat cereal. The surprising results are found in the Oat Cereals Review. Also see our Top Pick for oat cereals.
Clinical Update
5/15/2019
How Do "Overnight Oats" Affect Blood Sugar?
We recently reported on the effects of various types of oats on blood sugar. A study by the same researchers has evaluated overnight oats – rolled oats soaked overnight in milk. Find out how overnight oats compare, see the Oat Cereals Review. Also see our Top Picks among oat cereals.
Clinical Update
9/10/2019
Apple Cider Vinegar for Type 2 Diabetes?
Studies have shown that taking apple cider vinegar with or before a meal can reduce the subsequent rise in blood sugar. But does apple cider vinegar improve insulin sensitivity in people with type 2 diabetes? Find out what a recent study showed in the Blood Sugar Control section of the Apple Cider Vinegar Review. Also see our Top Picks for apple cider vinegar.
Clinical Update
1/04/2020
Curcumin for Blood Sugar Control?
Preliminary research suggests that curcumin (from turmeric) taken with meals can reduce the increases in blood sugar and insulin levels that occur after eating. But does curcumin help people with pre-existing type 2 diabetes? See what a recent study found in the What It Does section of the Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Clinical Update
2/08/2020
Glucosamine and Blood Sugar
Glucosamine (used to treat osteoarthritis) is a type of sugar, so does its daily use affect blood sugar levels and one's risk of developing diabetes? Find out in the Concerns and Cautions section of the Joint Health Review. Also see our Top Picks for Glucosamine, Chondroitin, MSM, and Boswellia supplements.
Clinical Update
9/26/2020
Effect of Milk and Sugar in Coffee
A recent study looked at how adding milk and sugar to coffee before a meal affects blood sugar levels. Learn what was discovered in our answer to the question: Which supplements can help lower or control my blood sugar?
Clinical Update
5/11/2014
Study Suggests Vitamin D Level for Blood Sugar Control
A certain minimum level of vitamin D in the blood is associated with normal control of blood sugar, according to a recently published study. The study focused on women who were overweight or obese but not diabetic. The vitamin D level is consistent with the range suggested by many other studies. For more details, as well as our tests of vitamin D supplements, see the updated Vitamin D Supplements Review >>
Clinical Update
5/02/2023
Cinnamon for Lowering Blood Sugar?
Did taking capsules of true (Ceylon) cinnamon reduce fasting blood sugar or HbA1c in people with type 2 diabetes? See what a new study found in the What It Does section of our Cinnamon Supplements Review, which includes our Top Picks among cinnamon supplements and spices.
Clinical Update
6/20/2023
Zinc Caution
Taking very high doses of zinc, even short-term, can cause dangerously low blood sugar in people with no previous history of low blood sugar, as recently highlighted in a series of reports. Get the details in the Concerns and Cautions section of our Zinc Supplements and Lozenges Review, which includes our Top Picks among zinc products.
Clinical Update
6/27/2023
Allulose & Blood Sugar
Does using the sweetener allulose along with sugar help lower blood sugar and insulin levels after a meal? Find out what a recent study showed in the Diabetes section of our article about sweeteners.
Also, find out what the main ingredient is in BetterStevia Organic Glycerite. Hint: It’s not stevia.
Clinical Update
8/04/2023
Berberine for Prediabetes?
Does taking berberine help lower blood sugar and cholesterol in people with prediabetes? Find out what a recent study showed the Berberine section of our Berberine and Goldenseal Supplements Review.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
8/11/2023
Kombucha for Diabetes?
Does drinking kombucha help lower blood sugar levels in people with type 2 diabetes? Find out what a recent study showed in the Kombucha section of our Probiotic Supplements Review.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
8/22/2023
Melatonin and Blood Sugar Control
Melatonin supplements may affect blood sugar control and insulin function in people with type 2 diabetes, according to recent studies. Get the details in the Concerns and Cautions section of our Melatonin Supplements Review, which includes our Top Picks for melatonin.
Clinical Update
10/24/2023
Does Cocoa Lower Diabetes Risk?
Did supplementing with cocoa flavanols reduce the risk of developing type 2 diabetes? Find out what a large study found in the Blood Sugar, Insulin Resistance and Diabetes section of our Dark Chocolate and Cocoa Supplements Review, which includes our Top Picks for cocoa and dark chocolate.
Also see our article about supplements and food for blood sugar control.
Clinical Update
11/10/2023
Magnesium for Diabetes?
Does magnesium supplementation improve insulin sensitivity or blood sugar control in people with type 2 diabetes? See what a recent study found in the our Magnesium Supplements Review, which includes our Top Picks for magnesium.
Also see: Which supplements and foods can help lower or control blood sugar?
CL Answer
Is cinnamon dangerous for my liver? I put about a teaspoon of it in my oatmeal every day.
The most common form of cinnamon contains a naturally occurring liver toxin called coumarin. Find out how much cinnamon is safe to consume, and how often it can be consumed. Also learn how much coumarin ConsumerLab found in popular cinnamon and spices.
CL Answer
What are the health benefits of green tea, and is it safe?
ConsumerLab explains green tea's potential health benefits for everything from fighting cancer to helping your heart.
CL Answer
Is the theobromine in chocolate and cocoa good or bad for me?
Find out the benefits and risks of theobromine -- and how much is in dark chocolate.
CL Answer
Butyrate Supplements for Gut Health: Does butyric acid really work and is it safe?
Can butyrate supplements improve gut health or help reduce symptoms of irritable bowel syndrome (IBS) or Crohn's disease? Find out what the clinical evidence shows, learn about the different forms of butyrate, including sodium butyrate, calcium-magnesium butyrate, and tributyrate, and get details about products such as BodyBio Sodium Butyrate and Healus Complete Biotic Tributyrin, dosage, safety and cost.
Product Review
Kelp Supplements Review
Choose the Best Kelp Supplement. Be Cautious With Kelp! Only 50% of Supplements Pass CL's Review.
Product Review
Milk Thistle Supplements Review
Find the Best Milk Thistle Supplement. Tests and Reviews of Popular Milk Thistle Supplements & CL's Top Picks.
Product Review
Prebiotic Supplements Review
You Can't Tell How Much Fiber Is Really In Most Prebiotics Without Testing
Product Review
Magnesium Supplements Review (Including Calcium, Boron, and Vitamins D & K)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
CL Answer
Are there drug interactions with magnesium supplements?
Find out about interactions between magnesium supplements and over-the-counter antacids and laxatives such as Maalox, antibiotics, and statins and diabetes medications. ConsumerLab’s answer explains.
CL Answer
Can taking too much fish oil be dangerous?
Find out if too much fish oil can be dangerous, and if taking too much fish oil can cause effects such as suppressing the immune system, thinning the blood (increasing the risk of bleeding), increasing levels of LDL cholesterol and liver enzymes or increasing the frequency in episodes atrial fibrillation. ConsumerLab.com's answer explains.
CL Answer
Which vitamins and minerals should someone over 70 take?
Find out which vitamin and mineral supplements men and women age 70 and older should take, recommended intakes for vitamin D, B6, B12, iron, plus multis, vision supplements, protein and more.
Product Review
Ashwagandha Supplements Review
Find the Best Ashwagandha Supplement. Only 56% of Ashwagandha Products Pass Tests.
Product Review
Resveratrol Supplements Review (From Red Wine, Knotweed, and Other Sources)
See Which Resveratrol Supplements Were Best In Our Tests and Comparisons. Learn What Resveratrol Can and Can't Do.
Product Review
Seaweed Snacks and Foods Review
Tests Reveal Seaweed Snack Risks
Product Review
Whole, Ground, Milled, and Cracker Flaxseed Review
High Levels of Cadmium Found in Flaxseed Products — Testing Expanded
Product Review
Electrolytes & Sports Drinks Review
See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Which B Vitamins Are ConsumerLab's Top Picks!
CL Answer
How Should You Take Care of Yourself After You’ve Had COVID-19?
Find out the best way to care for yourself when recovering from COVID-19, including how long you should quarantine, whether you should get vaccinated, when it is safe to undergo a surgery, and how to spot and, possibly, improve lingering symptoms.
CL Answer
How does Athletic Greens’ AG1 compare to multivitamins and Greens powders? Is AG1 worth it?
ConsumerLab reviews the ingredients in AG1, its safety and possible side effects, and how AG1 compares to other products.
CL Answer
What are the side effects of red yeast rice?
Find out which side effects can be caused by red yeast rice supplements that are taken to lower cholesterol levels. ConsumerLab.com's answer explains.
CL Answer
What are the health benefits of grapefruit seed extract (GSE)? Is it safe?
Learn more about grapefruit seed extract health benefits, including its possible antifungal and antibacterial effects and its safety.
CL Answer
My HDL (good) cholesterol level is low. Should I take niacin to raise my HDLs?
Learn more about niacin and find out if it can raise HDL ("good") cholesterol levels.
CL Answer
I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?
Learn more about water-soluble B vitamins including niacin, B6, B12 and folic acid, and why taking too much of these vitamins can be toxic. See the symptoms of overdose and toxicity from B vitamins. ConsumerLab.com's answer explains.
Product Review
Melatonin Supplements Review
Find the Best Melatonin Supplements. Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.
Product Review
Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)
One-Third of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and our Top Picks.
CL Answer
Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?
Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.
CL Answer
Is MitoQ a better form of CoQ10?
MitoQ information, including how it is absorbed in the body and how it compares to CoQ10.
Recalls & Warnings
September 10, 2021
FDA Warns Ten Sellers of "Diabetes" Supplements
On September 7, 2021, the FDA issued warning letters to 10 supplement companies that made drug claims by promoting products to treat diabetes and/or lower blood sugar. Five of the products were sold on Amazon as well as on company websites. The products were promoted with statements such as
CL Answer
What is TUDCA (tauroursodeoxycholic acid)? Does it have any proven health benefits, and is it safe?
TUDCA information, including its potential health benefits, safety, possible interactions, and cost.
CL Answer
Is canola oil good or bad for you? I heard it can be toxic.
Find out if canola oil is bad for you or good for you, and whether it helps heart health. Clinical evidence and how it compares to other oils.
CL Answer
What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?
Learn the health benefits of coconut oil and medium chain triglycerides (MCTs), including evidence from Bulletproof Coffee, clinical studies on obesity, skin, and Alzheimer's disease.
CL Answer
Do reishi mushroom supplements boost the immune system, or have other health benefits?
Learn more about the health benefits of reishi mushroom extract supplements, including evidence from clinical studies on cancer and diabetes, plus information about safety and price.
CL Answer
Which supplements help with erectile dysfunction?
Supplements for erectile dysfunction. Find out which supplements can help with ED, including ginseng, L-arginine, and maca.
CL Answer
What are the health benefits of serrapeptase?
Serrapeptase is a proteolytic enzyme. Learn more about its health effects, including whether evidence supports its use for pain, inflammation, and heart health.
CL Answer
What supplements should I stop taking before surgery?
Info on which supplements to avoid before surgery due to increased risk of bleeding or interference with anesthesia.
CL Answer
What are the health benefits of andrographis? Can it treat colds, help with joint pain, or other conditions, and is it safe?
Learn about the health benefits of andrographis, whether it can help relieve cold symptoms, reduce pain and stiffness of osteoarthritis or rheumatoid arthritis, decrease symptoms of ulcerative colitis, or slow the growth of cancer. See the clinical evidence for the branded andrographis extract ParActin. Plus, learn about dosage, side effects and drug interactions with andrographis.
CL Answer
What are the health effects of turkey tail mushroom and is it safe?
Learn about the possible health effects of turkey tail mushroom, including its use as adjuvant treatment for cancer and for boosting immune function, plus get information about possible side effects and find out why ConsumerLab has not yet tested turkey tail products.
CL Answer
What are the health benefits of D-ribose and is it safe?
Find out if D-ribose supplementation is beneficial for heart failure, exercise performance, and fibromyalgia and learn if it is safe.
CL Answer
What are the side effects of glucosamine and chondroitin?
Learn the side effects of glucosamine and chondroitin supplements for joint health and joint pain, including stomach upset, headache, and many others. ConsumerLab.com's answer explains.
CL Answer
What is Brain Bright and can it really improve memory or cognition?
Learn more about BrainBright, including clinical studies on memory and cognition, safety, and cost.
CL Answer
Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example?
Find out which fats and oils, such as coconut oil and fish oil, lower cholesterol and lower the risk of cardiovascular disease.
CL Answer
Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease?
Magtein, and other magnesium supplements, may help memory and protect against Alzheimer's disease.
CL Answer
Does yacon syrup decrease appetite or help with weight loss? How do I find a quality brand?
Can yacon syrup can help with weight loss? Learn more, including clinical evidence, side effects, and dosage.
Product Review
Ginkgo (Ginkgo Biloba) Supplements Review
Choose the Best Ginkgo Biloba Supplement. Finding Real Ginkgo Isn't Easy — 60% Fail ConsumerLab's Tests of Quality.
Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins In 2023 -- Caution with Gummies
CL Answer
Do any supplements, like Nervive, help with nerve pain, like sciatica or diabetic neuropathy?
Find out which supplements for nerve pain are effective. Sciatica & diabetic neuropathy may be helped, including fish oil and alpha-lipoic acid.
Product Review
Red Yeast Rice Supplements Review
50% of Red Yeast Rice Supplements "NOT APPROVED" in CL Tests
Product Review
Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)
Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.
Product Review
Digestive Enzyme Supplements Review
Big Differences in Strength Found Among Digestive Enzyme Supplements. CL Tests Reveal Which Are Best.
CL Answer
Do any supplements help prevent or treat a cold?
Are there supplements that can help prevent or treat cold symptoms? Learn more about zinc, probiotics, vitamin C and more.
CL Answer
What is Pycnogenol, does it work, and is it the same as other pine bark extracts?
Learn more about Pycnogenol, including evidence from clinical studies on blood clots, osteoarthritis, cognition, vision, tinnitus, and the skin and safety.
Recalls & Warnings
November 06, 2023
FDA Warns Consumers Not to Use Dr. Ergin’s SugarMD Advanced Glucose Support, Found to Contain Prescription Drugs
On November 3, 2023, the FDA warned consumers not to purchase or use Dr. Ergin’s SugarMD Advanced Glucose Support products after FDA laboratory analysis found the supplement to contain glyburide and metformin.
Clinical Update
4/04/2021
Diabetes & Sardines
Can eating sardines reduce the risk of type 2 diabetes? See what a new study found in the What It Does section of our Tuna, Salmon & Sardines Review. Also see our Top Picks for sardines, canned salmon and tuna.
Learn about the effects of fish oil supplements on blood sugar and insulin sensitivity in our Fish Oil Supplements Review.
Clinical Update
6/27/2021
Whey vs Rice and Potato Protein
Whey, rice and potato proteins were found to have different effects on blood sugar and insulin levels in a recent study. Find out how they differ. You can also learn more about these and other protein sources in the ConsumerTips section of our Protein Powders, Shakes and Drinks Review. Also see our Top Picks among protein powders.
Clinical Update
9/07/2021
An Avocado a Day?
Does eating an avocado with your meal help reduce abdominal fat or weight, or improve blood sugar or insulin control? See what a new study found in the What It Does section of our Avocado Oil Review. Also see our Top Picks among avocado oils.
Clinical Update
8/31/2021
Spirulina for Type 2 Diabetes?
Does taking spirulina help control blood sugar levels in people with type 2 diabetes? See what a study found in the What They Do section of our Greens and Whole Food Powders and Capsules Review.
Clinical Update
12/10/2021
Magnesium for Metabolic Syndrome?
Can magnesium supplementation lower blood sugar and blood pressure in people with metabolic syndrome? Learn what a new study found in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks among magnesium supplements.
Clinical Update
12/16/2022
Gymnema & Sugar Cravings
Did supplementing with gymnema (which may alter taste perception) curb sugar cravings and reduce food intake in a recent study? Find out in our updated CL Answer about supplements for reducing appetite and weight.
Also see our CL Answer about supplements for blood sugar control to learn about use of gymnema in people with diabetes.
Clinical Update
1/27/2023
Cocoa for Insulin Resistance?
Did consuming a large daily amount of cocoa flavanols help women with insulin resistance in a recent study? Find out in the What It Does section of our Dark Chocolate & Cocoa Review. Also see our Top Picks among dark chocolate bars and cocoa products.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
2/07/2023
Whey Protein for Diabetes
Whey protein seems to help control blood sugar levels, and a recent study suggested that it may do more than just slow gastric emptying and increase insulin levels. Get the details in the Diabetes section of our Protein Powders and Shakes Review. Also see our Top Picks for whey protein.
Clinical Update
8/19/2012
Can Resveratrol Help Control Blood Sugar?
A new clinical study suggests potential benefits for people with type 2 diabetes taking one of the resveratrol products evaluated by ConsumerLab.com. Get the details in the latest update to ConsumerLab.com's Resveratrol Supplements Review. More >>
Clinical Update
3/02/2016
Ginseng for Metabolic Syndrome?
A study in men with metabolic syndrome found no benefit on blood sugar levels from taking ginseng, but a small increase in testosterone. Get the details about this and other uses for ginseng, as well as our quality ratings in the Ginseng Supplements Review >>
Clinical Update
7/12/2014
Vitamin D & Calcium for Diabetes Due to Pregnancy
A new study found supplementation with a combination of vitamin D and calcium improved fasting blood sugar levels, serum insulin levels, and insulin sensitivity in women with gestational (pregnancy-related) diabetes. For more details, including dosage, as well as our tests and comparisons of vitamin D and calcium supplements, see the update to the Vitamin D Supplements Review (Including Calcium, Vitamin K, Magnesium) >>
Clinical Update
10/22/2016
Cocoa Lowers Blood Sugar
In addition to potential cardiovascular, memory, and other benefits, a new analysis shows that cocoa flavanols may reduce fasting glucose and improve insulin resistance. Get the details in the "What It Does" section of the Cocoa and Dark Chocolate Review >>
Clinical Update
10/16/2020
Resveratrol and Insulin Sensitivity
Can resveratrol improve insulin sensitivity or lower blood sugar levels in people who are overweight? See what a new study showed in the What It Does section of our Resveratrol Supplements Review. Also, see our Top Picks for resveratrol.
Clinical Update
Clinical Update
2/01/2020
Pomegranate for Memory?
Pomegranate juice and supplements have been promoted for improving cardiovascular health, controlling blood sugar, and inhibiting prostate cancer. Most recently pomegranate juice was tested in a year-long study for its effects on memory. Find out if it helped, and see if it works for other touted uses, in the What It Does section of the Pomegranate Juice and Supplements Review Article.
Clinical Update
2/04/2020
Berberine vs. Colon Cancer?
A large study investigated the potential for berberine (promoted for blood sugar control) to prevent precancerous colon polyps. Find out if it worked in the What It Does section of the Berberine & Goldenseal Supplements Review. Also see our Top Pick for berberine.
Clinical Update
7/23/2019
Extra Virgin Olive Oil and Diabetes
Several studies have looked at the effects of consuming extra virgin olive oil on improving blood sugar control. The most recent study looked at whether it could delay the need for glucose-lowering medication in people with type 2 diabetes. Get the results in the What It Does section of the Extra Virgin Olive Oils Review. Also see our Top Picks among products.
Clinical Update
1/05/2019
Is Protein Best Before or After a Meal?
A new study showed that the timing of protein supplementation around a meal can determine the effect on blood sugar in people with insulin resistance. Find out the best timing in the update to the Protein Powders, Drinks, and Shakes Review. (Also see our Top Picks among products.)
Clinical Update
7/21/2020
Cinnamon for Prediabetes?
Does taking a daily cinnamon supplement help control blood sugar in people with pre-diabetes? See the results of a recent study in the What It Does section of the Cinnamon Supplements & Spices Review. Also see our Top Picks among cinnamon supplements and among cinnamon spices.
Clinical Update
5/05/2018
Cinnamon for Arthritis
Taking cinnamon as a supplement was found to decrease symptoms of rheumatoid arthritis in a recent study. Get the details and learn what else cinnamon can do (particularly regarding blood sugar) in the What It Does section of the Cinnamon Supplements & Spices Review. (Also see our test results for popular cinnamon supplements).
Clinical Update
6/09/2018
Magnesium & Metabolic Syndrome
A study shows that magnesium can significantly help some people suffering from metabolic syndrome (i.e., high blood sugar, high blood pressure, and related symptoms). Get the details in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks among magnesium supplements.
Clinical Update
5/22/2019
Does Tart Cherry Juice Help?
A recent clinical trial investigated the effects of Montmorency tart cherry juice on blood sugar control, markers of inflammation, and the gut. Find out if it helped. See our updated answer to the question: What are the benefits of tart cherry juice?
Clinical Update
3/30/2019
Apple Cider Vinegar & Diabetes
Can apple cider vinegar help control blood sugar in people with type 2 diabetes? See what a recent study found in the What It Does section of the Apple Cider Vinegar Review. Also see our Top Picks for apple cider vinegar.
Clinical Update
7/05/2017
Dark Chocolate & Appetite
A recent study found that women consumed fewer calories after eating dark chocolate than after eating milk or white chocolate. Dark chocolate also resulted in better blood sugar control — an effect noted in other studies of moderate consumption of dark chocolate. Get the details on this and other effects of dark chocolate in the "What It Does" section of the Cocoa and Dark Chocolate Review, which includes our tests and comparisons of popular products.
Clinical Update
7/12/2017
Fat Fish vs. Lean Fish
If you are trying to control your blood sugar, it turns out that your choice of fish can make a difference. Learn more in the "What It Does" section of the Fish Oil Supplements Review. The review includes our Top Picks among omega-3 supplements.
Clinical Update
2/27/2018
Ginseng Role in Diabetes
Results of a recent study suggest that a form of ginseng can help control blood sugar in people with type 2 diabetes. Get the details in the What It Does section of the Ginseng Supplements Review.
Clinical Update
10/09/2018
Cocoa for Diabetes?
Cocoa flavanols may help control blood sugar, but do they offer benefits to people with diabetes? See what recent studies are finding in the What It Does section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among products).
Clinical Update
7/07/2023
Olive Oil & Inflammation
Does high-polyphenol extra virgin olive oil decrease inflammation compared to regular olive oil? See what a recent study found in our Extra Virgin Olive Oil Review.
Also see our Top Picks among extra virgin olive oils and learn what impact these oils may have on insulin and blood sugar control.
Clinical Update
6/23/2023
Vitamin D & Diabetes Risk
In people with prediabetes, does taking vitamin D improve blood sugar regulation and decrease diabetes risk? Find out what a recent study showed in the Diabetes, insulin resistance and glucose control section of our Vitamin D Supplements Review.
Also see our Top Picks for vitamin D.
Clinical Update
3/10/2023
Stevia & Appetite?
How do beverages sweetened with stevia or other low-calorie sweeteners affect blood sugar and appetite compared to sugar-sweetened beverages? See what a recent study found in our updated article about stevia and other alternative sweeteners.
Clinical Update
7/25/2023
Fenugreek Benefits?
Do fenugreek supplements lower blood sugar, increase testosterone, or have other potential health benefits? Find out in our new article about the health benefits and safety of fenugreek.
CL Answer
Is drinking coffee good or bad for heart health?
Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.
CL Answer
Can glycine improve sleep, reduce depression, or reduce nighttime urinary frequency?
Can glycine really help improve sleep, reduce depression, or reduce nighttime urinary frequency? Lean more about glycine and its uses and benefits.
CL Answer
Body Odor: Supplements & Foods That May Help, or Make It Worse
Some people with adequate personal hygiene still experience body odor. Learn if taking supplements such as activated charcoal, champignon extract, copper chlorophyllin, L-carnitine, N-acetyl cysteine (NAC), or other ingredients might help or make body odor worse.
CL Answer
Are there side effects from collagen supplements?
Find out if there are collagen side effects from supplements (collagen hydrolysate, collagen peptides, etc.) such as nausea, constipation, skin rash and others. ConsumerLab.com's answer explains.
CL Answer
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements or foods I should avoid, or be taking, due to this drug?
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
News Release
September 14, 2023
Best and Worst Berberine and Goldenseal Supplements, According to ConsumerLab Tests
White Plains, New York, September 14, 2023 — Recent ConsumerLab tests revealed problems with nearly 45% of the berberine and goldenseal supplements selected for testing. Powders and capsules containing goldenseal (which naturally contains berberine) were particularly likely to have issues.
News Release
August 09, 2023
ConsumerLab Tests Alpha Lipoic Acid Supplements and Selects Top Picks
White Plains, New York, August 9, 2023 — Alpha-lipoic acid supplements may modestly improve insulin sensitivity and blood sugar control, reduce symptoms of peripheral neuropathy, and aid in weight control when combined with a low-calorie diet.
Product Review
Coconut Waters Review
Best Coconut Water? See Our Tests and Comparisons of Popular Brands Looking at Sugar, Electrolytes, Taste and Price.
CL Answer
Does Provitalize work for weight loss and is it safe?
Find out if taking Provitalize, a probiotic supplement that also contains turmeric extract, moringa leaf extract, curry leaf extract and piperine (BioPerine), is safe and beneficial for weight management.
Clinical Update
6/28/2017
Some Concern About Theobromine in Dark Chocolate
ConsumerLab's tests of dark chocolates show them to contain about as much theobromine (a caffeine-related stimulant) as heart-healthy flavanols. So is all this theobromine good or bad? A recent study suggests that it may be an issue for people who need to control their blood sugar, while, on the positive side, it lowers LDL "bad" cholesterol. Get the details in the "Concerns and Cautions" section of the Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements Review, which includes comparisons of the amounts of theobromine in popular products, as well as amounts of flavanols, caffeine, and contaminants.
CL Answer
Adrenal Fatigue and Adrenal Support Supplements: Do they work and are they safe?
Find out what's really in supplements for adrenal support and adrenal fatigue, including herbal adrenal support supplements and bovine derived adrenal support supplements. Find out if they really work and if they are safe. ConsumerLab.com's answer explains.
Product Review
Vitamin C Supplements Review
Find the Best Vitamin C Supplements
Product Review
Nutrition Bars & Cookies Review (For Energy, Fiber, Protein, Meal Replacement, and Whole Foods)
Find the Best Nutrition Bar or Cookie. ConsumerLab Tests Reveals Not All Nutrition Bars and Cookies Contain What They Claim.
CL Answer
Can drinking coffee prevent gallstones? Can supplements help?
Information about the impact coffee has on gallstone disease. Plus, supplements that have been proposed to help with gallstone pain.
CL Answer
Which supplements help reduce the risk of colorectal cancer?
Find out which supplements may reduce the risk of colorectal cancer, including folate, fiber, selenium, and vitamin D.
Product Review
Elderberry Supplements Review
Find the Best Elderberry Supplement. Tests and Reviews of Popular Elderberry Supplements & CL's Top Picks.
Product Review
Astaxanthin Supplements Review
See Which Astaxanthin Products Passed or Failed CL's Tests
CL Answer
Is Relief Factor likely to relieve aches and pains, and is it safe?
Find out if the dietary supplement Relief Factor is likely to help relieve aches and pains, if it is safe, and if it is worth the cost.
Product Review
Alginate Supplements Review (For Reflux)
See Our Top Pick Alginate Supplements For Reducing Symptoms of Gastroesophageal Reflux (GERD)
Product Review
Shelled Walnuts (Halves & Pieces)
See Our Top Picks for Walnuts
CL Answer
Can psyllium help control hunger and appetite?
Learn more about psyllium (found in Metamucil), including effects on appetite and hunger control, results from clinical studies and safety.
Recalls & Warnings
August 25, 2022
White Mulberry Leaf Caused Death of Congressman's Wife, Coroner Reports
The death of Lori McClintock, 61-year-old wife of California congressman Tom McClintock, was caused by dehydration from gastroenteritis caused by “adverse effects of white mulberry leaf ingestion,” according to a coroner's report recently obtained by Kaiser Health News.
Recalls & Warnings
November 28, 2022
Seller of Elderberry, Tea Warned for Claims of Treating Cold, Flu, Cancer
On October 18, 2022, the FDA issued a warning letter to Rosebud’s Ranch and Garden, LLC after inspection of the company’s website and social media found statements about the company’s Domestic Divas – Colds and Flu (Tea), Domestic Divas - No Pain No Gain Tea, Green ...
Product Review
Plant-Based Milks Review (Almond, Cashew, Coconut, Flax, Hemp, Macadamia, Oat, Pea, and Soy)
Find the Best Non-Dairy Milk Alternative. ConsumerLab Tests Reveal What's Really In Plant-Based Milks.
CL Answer
10 Supplements That May Boost Testosterone (And 11 That May Not)
Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.
Product Review
GABA Supplements Review
Does GABA Work As a Supplement?
Product Review
Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams
Choose the Best Menopause Supplement. Find Out Now Which Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Have the Active Compounds You Want!
Product Review
Cholesterol-Lowering Supplements Review (Sterols/Stanols and Policosanol)
Find the Best Cholesterol-Lowering Supplement. See Which Plant Sterol and Policosanol Supplements Passed Our Tests and Are Our Top Picks.
Product Review
Cranberry Juices and Supplements Review
CL's Tests Show Which Cranberry Juices and Supplements Are Best and Cost the Least
CL Answer
8 Supplements That May Help Treat Peptic Ulcers – And Some to Avoid
Peptic ulcers caused by H. pylori infection are typically treated with antibiotics, but certain supplements may also help. Find out which 8 supplements might be beneficial - and which should be avoided.
CL Answer
Does Qualia Mind boost memory and mental function and is it worth cost?
Learn about the ingredients in Qualia Mind, whether or not we think the formula works and is safe, and if we think it's worth the cost.
CL Answer
What are trace minerals and do I need them?
Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.
Product Review
Iron Supplements Review (Iron Pills, Liquids and Chews)
See Which Iron Supplements Are CL's Top Picks for Different Needs
Product Review
Avocado Oil Review
Find the Best Avocado Oil for Purity, Freshness and Taste. Some Others May Include Rotten Avocado or Other Oils.
Product Review
L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements Review
Choose the Best L-Tryptophan and 5-HTP Supplements. CL Tests Identify High Quality L-Tryptophan and 5-HTP (5-Hydroxy-L-Tryptophan) at the Best Value.
Product Review
Rhodiola Rosea Supplements Review
Do Rhodiola Supplements Help With Depression and Anxiety? Find Out and See Which Rhodiola Supplements Provide the Best Quality & Value.
Product Review
Green Coffee Bean Extract Supplements Review (for Weight Loss)
Choose the Best Green Coffee Bean Extract. 50% of Green Coffee Bean Extract Supplements Don't Deliver Expected Ingredients.
Product Review
L-Arginine Supplements Review
Choose the Best L-Arginine Supplement. Find Out Which L-Arginine Supplement Passed CL's Tests.
Product Review
Garlic Supplements Review
Find the Best Garlic Supplements. CL Tests Reveal Big Differences in Garlic Strength -- Some Have Little to No Garlic!.
News Release
March 30, 2023
ConsumerLab Tests Show Not All Quercetin and Rutin Supplements Contain What They Claim
White Plains, New York, March 30, 2023 — Quercetin is a plant compound found in its natural form, rutin, in foods such as capers, onions, and kale.
Recalls & Warnings
April 27, 2023
Seller of Magtein, Veggie Caps, & More Warned for Drug Claims, Manufacturing Violations
On March 8, 2023, the FDA issued a warning letter to Spartan Enterprises Inc., dba Watershed Wellness Center, after a review of the company’s website found statements about its Dr. Bob’s Naturals Spirulina, Dr. Bob’s Naturals Magtein, Dr.
News Release
October 28, 2022
Labels on Prebiotic Supplements Are Often Unreliable, Tests Show
White Plains, New York, October 28, 2022 — Prebiotic supplements provide fiber that feed beneficial bacteria in the gut. However, recent ConsumerLab tests show that consumers often can’t rely on labels to know how much prebiotic fiber is really in products.
Product Review
Nattokinase Supplements Review
Choose the Best Nattokinase Supplement. CL Tests Reveal Which Nattokinase Suppplements Provide the Best Quality & Value.
Product Review
Aloe Juices, Gels, and Supplements Review
How Much Aloe is Really in Aloe Products? Find Out and See Our Top Picks.
CL Answer
Which supplements are best for seasonal allergies?
Find out which supplements are best for allergies and can help reduce seasonal allergy symptoms, including bromelain, curcumin, vitamin D, and CLA.
Product Review
Vision Supplements Review (with Lutein, Zeaxanthin & AREDS2 Formulas)
Find the Best Vision Supplement Based Our Tests
CL Answer
I read on your website that some B-12 vitamins cause diarrhea due to added sugar substitutes like sorbitol. I stopped mine and my diarrhea stopped immediately. Which B-12 doesn't contain sorbitol?
Learn how to avoid gastrointestinal problems with B-12 and other supplements due to added sugar substitutes.
Product Review
CBD Oils, Softgels, Gummies, Creams & Salves Review
See How Much CBD and THC We Found in Products.
News Release
September 01, 2022
Big Differences in Strength of Olive Leaf Supplements in ConsumerLab Tests
White Plains, New York, September 1, 2022 — Unlike olive fruit and olive oil, olive leaf contains significant concentrations of oleuropein, a potentially beneficial compound. Olive leaf extract supplements are often promoted for lowering blood pressure and blood sugar.
Recalls & Warnings
July 18, 2017
Seller of "Super Strength Prostate Formula," Acai Berry Supplements & More Warned for Drug Claims
On June 30, 2017, the FDA issued a warning letter to Nature's Health Company, LLC, following a facility inspection and review of the company's website, www.natureshealthcompany.
Recalls & Warnings
July 18, 2017
FDA Warns Seller of "Quick Slim with pure Hoodia Gardonii" and "Diabalance Herbal Blood Sugar Balance"
On July 11, 2017, the FDA issued a warning letter to Black Seed Herb, Inc.
Recalls & Warnings
January 12, 2021
FDA Warns Seller of Turmeric, Ashwagandha, Glucosamine, and More
On December 18, 2020, the FDA issued a warning letter to Reddy Naturals following a review of the company's website, which found statements made about the company's products Glycostasis, Glucosamine Curcumin, Turmeric 50, Turmeric Curcumin, Cetyl Curcumin, Ashwagandha, Huruli, ...
Product Review
Calcium and Bone Health Supplements Review (Including Vitamins D & K, Magnesium and Boron)
See Which Bone Health Supplements Are Top Picks and Which Fail
Product Review
Tuna, Salmon, Sardines & Herring Review (Canned and Packaged)
Product Review
Joint Health Supplements for Pets Review (Glucosamine, Chondroitin, MSM & Boswellia)
See Which Pet Supplements for Joint Health Passed Our Tests and Which Didn't!
CL Answer
Which vitamins and minerals should be taken together or separately?
Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the best way to take vitamins and minerals.
CL Answer
I enjoy oat milk in my coffee, but how healthy is it for me?
Is oat milk healthy? Information about oat milk contents, how much sugar and calcium is in oat milk, and if it is a healthy alternative to cow milk.
Product Review
L-Lysine Supplements Review
Read L-Lysine Labels Carefully. Some Can Fool You.
Product Review
Boron Supplements Review (Including Calcium, Magnesium, and Vitamins D & K)
Is Boron Needed for Bone Health? Find Out and See Our Top Pick Among Supplements
Product Review
L-Theanine Supplements Review
Touted for Stress Relief, Do L-Theanine Supplements Work?
CL Answer
What are the health benefits of manuka honey, and is it safe?
Manuka honey health benefits, how it differs from common, store-bought honey, safety, evidence for using manuka honey for wounds, sore throat and cough, constipation and more.
Product Review
Vitamin E Supplements Review
Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.
CL Answer
Is Greek yogurt a good source of protein?
Find out if Greek yogurt is a good source of protein, how much protein it contains, and what type of protein it contains..
Product Review
Potassium Supplements Review
Be Careful with Potassium Supplements! Problems Found. Tests and Reviews of Potassium Supplements & CL's Top Picks.
Product Review
Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)
Choose the Best Seed Oil Supplements. Find Out Which Flaxseed and Other Seed Oil Supplements Passed Our Tests.
Recalls & Warnings
June 30, 2020
FDA Warns Seller of Alpha Lipoic Acid, Berberine, and More
On June 18, 2020, the FDA issued a warning letter to Only Natural, Inc. dba Bio Nutrition, Inc.
CL Answer
Do Sugar Bear Hair Vitamins make hair shine, nails stronger, and help both to grow? They taste good but are super expensive.
Info on Sugar Bear Hair vitamins. Do they make hair shine, nails stronger and help hair and nails grow? ConsumerLab.com's answer explains.
CL Answer
Is quercetin helpful for a specific condition? I see it as an ingredient in several different types of supplements.
Learn more about quercetin, including the benefits of quercetin and other evidence from clinical studies on prostatitis and memory.
CL Answer
What is C15:0 fatty acid (found in fatty15), and does it have health benefits?
C15:0 fatty acid in fatty15 is promoted for “healthier hair & skin, balanced metabolism, and deeper sleep,” as well as “slowing the aging process.” Find out if it works.
News Release
July 20, 2022
Best Electrolyte Drinks for Hydration? Note: Some Contain 20 Times More Sodium Than Others
White Plains, New York, July 20, 2022 — It's important to stay well hydrated, and electrolyte products can help.
News Release
June 30, 2022
Best Protein Shakes & Drinks According to ConsumerLab Tests. Lead, Excess Sodium Found in Some
White Plains, New York, June 30, 2022 — Consumers may get more sodium, fat, calories, or even lead, than they bargained for from some protein supplements, according to recent ConsumerLab tests of over 20 popular protein powders and shakes.
News Release
December 15, 2021
How Much Aloe Is Really in Aloe Products? ConsumerLab Tests Show Some Products Contain None
White Plains, New York, December 15, 2021 — Recent ConsumerLab tests of popular aloe juices, gels and supplements sold in the U.S. found substantial amounts of aloe in some products, while others contained very little.
Product Review
L-Citrulline Supplements Review
Learn How Citrulline Products Differ and Our Top Picks
CL Answer
Which supplements and lifestyle changes improve sleep, and which cause insomnia?
Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.
CL Answer
How are you staying healthy during the coronavirus pandemic?
Tips for staying healthy during the coronavirus (COVID-19) pandemic. Tips from ConsumerLab members for maintaining physical health, mental health and social well-being during COVID-19.
Product Review
Lavender and Tea Tree Essential Oils Review
Oils Tested for Authenticity and Purity
CL Answer
Do any supplements naturally suppress appetite and help with weight loss?
Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
CL Answer
Does taking a laxative interfere with the absorption of vitamins or minerals?
Information on laxative interactions with other medications and supplements such as Maalox, antibiotics, and statins and diabetes medications.
Product Review
Choline and Lecithin Supplements Review (Including Phosphatidylcholine, CDP-Choline, and Alpha-GPC)
Recalls & Warnings
November 06, 2014
Seller of Cholesterol, Arthritis Supplements and More Warned for Drug Claims
On October 17, 2014, the FDA issued a warning letter to Vitamins Direct (USA) and Golden Pride, Inc., which distribute Flexezy and Physician's Signature brands of dietary supplements, following a facility inspection which found statements made about certain supplements to be drug claims.
Recalls & Warnings
July 25, 2013
Beware of Dietary Supplements With Claims To Treat Diabetes, FDA Warns
On July 23, 2013, the FDA issued a warning to consumers not to buy or use dietary supplements that are promoted to treat diabetes.
Recalls & Warnings
August 16, 2013
Ginkgo, Milk Thistle, Cleanse and Nopal Supplement Maker Warned For Manufacturing Violations, Drug Claims
On July 23, 2013, the FDA issued a warning letter to Natural Products Services, Inc.
Product Review
Mangosteen Juice and Supplements Review Article
What Are the Benefits of Mangosteen Juice and Supplements? Find Out What Mangosteen Can and Cannot Do For Your Health.
News Release
November 05, 2021
NAD Boosters for Energy and Memory? ConsumerLab Reviews NAD+, NAHD and NMN Supplements
White Plains, New York, November 5, 2021 — Most cells in the body use NAD (nicotinamide adenine dinucleotide) in the process of energy production, and compounds that boost blood levels of NAD are often sold in supplements marketed for a wide range of benefits, from increasing energy and ...
CL Answer
Which supplements help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.
CL Answer
Which supplements and foods help with gout and which may worsen it?
Find out about the effects on uric acid levels and gout of fish and fish oil, coffee, beer, animal meat, milk proteins, vegetable proteins, fructose, lemon juice, tart cherry juice, vitamin A, vitamin C, and niacin
Recalls & Warnings
January 24, 2013
Food for Health Warned for Manufacturing Violations and Drug Claims on Supplements
On October 5, 2012, the FDA issued a warning letter to Food for Health International, LLC following a facility inspection which found the company's products, including Activz brand Vitamin D, Potassium Iodine, Organic Vitamin C, Whole 9 (a fruit and vegetable meal replacement shake) Control and VMA ...
Recalls & Warnings
December 26, 2012
Seller of Blood Sugar, Depression and Sleep Supplements Warned For Making Drug Claims
On October 15, 2012, the FDA issued a warning letter to BioNeurix Corporation after statements found on the company's website, http://www.pharma-tree.com, were found to promote the dietary supplements Blood Sugar 360, Amoryn, Seredyn, and Mellodyn as drugs.
CL Answer
I'm worried that I'm not getting enough potassium, but potassium supplements only provide a small dose -- much less than the daily requirement. Why is this, and how can increase my daily intake?
Find out why many potassium supplements contain small doses of potassium and how to get adequate potassium from food and supplements.
CL Answer
Does forskolin help for weight loss? Is it safe?
Learn more about forskolin including weight loss, diet, preventing asthma attacks and its proposed effects on the body.
Recalls & Warnings
March 01, 2023
Seller of Dr. Miller’s Herbal “Detox” Teas Warned by FDA for Drug Claims
On February 3, 2023, the FDA issued a warning letter to Jackson Health & Wellness Clinic after inspection of the company’s website found statements about the company’s Dr. Miller’s Holy Tea, Dr. Miller’s Super Holy Tea, Dr. Miller’s Ultimate Tea, Dr.
Recalls & Warnings
October 02, 2023
Dangerous Ingredients Found in Ten Arthritis and Pain Supplements
On September 29, 2023, the FDA warned consumers that the following arthritis and pain management products contain undeclared drugs such as diclofenac, methocarbamol (a muscle relaxant), and dexamethasone (a corticosteroid), and/or other potentially harmful ingredients.
Recalls & Warnings
October 26, 2023
Joint Pain Supplements Recalled Due to Undeclared Drug Ingredients
On October 22, 2023, Botanical-Be recalled of all lots of the company’s Kuka Flex Forte, Artri King, and Reumo Flex capsule products after FDA laboratory analysis found them to contain undeclared diclofenac.
CL Answer
3 Tips to Prevent Powdered Supplements from Clumping
Learn more about how powdered supplements compare to capsules and if clumping is worrisome.
CL Answer
Which supplements can help to lower blood pressure?
Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.
CL Answer
Which supplements can cause diarrhea?
Can supplements like magnesium cause diarrhea? Find out which supplements may cause diarrhea, such as vitamin B12, curcumin, magnesium, vitamin C and fish oil.
Recalls & Warnings
December 15, 2020
FDA Warns JC Ayur Life LLC for Drug Claims
On October 29, 2020, the FDA issued a warning letter to JC Ayur Life LLC following a review of the company's website, which found statements made about the company's product Heritage of Ayurveda Dia-Tonic Incudil Herbal Dietary Supplement to be drug claims.
CL Answer
How can I find supplements that are gluten-free on ConsumerLab.com?
Gluten-Free supplements & vitamin information including other dietary features like vegetarian, vegan, and kosher on ConsumerLab.com. Our answer explains.
CL Answer
I have low blood pressure. Are there any supplements I should avoid?
Find out which supplements can cause decreases in blood pressure, including melatonin, arginine, magnesium, and calcium.
Recalls & Warnings
April 27, 2022
Prescription Drugs Found in Arthritis, Muscle Pain, and Osteoporosis Supplements
On April 20th, 2022, the FDA warned consumers not to use the following ”Artri“ or ”Ortiga” products promoted to treat arthritis, muscle pain, osteoporosis and bone cancer because they have been found to contain undeclared drugs that can have serious adverse ...
News Release
June 16, 2021
Wide Variations in Ginseng Potency, Quality Revealed by ConsumerLab Tests
White Plains, New York, June 16, 2021 — Ginseng is promoted for a wide range of uses, from increasing energy, "vitality," and libido, to improving blood sugar levels and preventing colds.
CL Answer
Is sublingual vitamin B-12, which is placed under the tongue and allowed to dissolve, really better than the pill form?
Learn the difference between sublingual vitamin B-12, vitamin B-12 pills and more through information including clinical evidence.
CL Answer
Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs like Xarelto?
Learn about supplement interactions with apixaban (Eliquis), rivaroxaban (Xarelto) and other blood thinner drugs in the direct factor Xa inhibitors class.
CL Answer
I'm over 50 and looking to take a vitamin B-12 supplement. Many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?
Looking to see if the cyanocobalamin form of vitamin B-12 is safe? Read research and safety information on ConsumerLab's report.
CL Answer
Can taking NAC (N-acetylcysteine) interfere with blood tests?
Find out if NAC (N-acetylcysteine) can interfere with laboratory and blood tests, such as blood tests for cholesterol. ConsumerLab.com's answer explains.
CL Answer
I have read claims that dandelion root tea can stop cancer cells from spreading. Have there been any clinical studies related to the effectiveness of dandelion root extract on certain types of cancer?
Find out if research supports the claim that taking dandelion root extract, or drinking dandelion root tea, may be beneficial for cancer patients.
CL Answer
Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?
Learn which supplements can ease tinnitus, including melatonin and pine bark extract. Understand which may actually cause tinnitus.
Recalls & Warnings
July 06, 2022
FDA Warns Kratom Companies for Arthritis, Pain Relief Claims & More
On January 30, 2022, the FDA issued warning letters to four sellers of kratom products because they were promoted to treat pain relief, opioid withdrawal, blood sugar control, anxiety, and to treat rheumatoid arthritis.
CL Answer
I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.
Recalls & Warnings
April 18, 2022
Moringa Concern: Blood Clots
A 63-year-old woman in New York with type 2 diabetes developed a blood clot in the lungs (i.e. pulmonary embolism) that her physicians suspect may have been caused by the use of a supplement containing Moringa oleifera extract (Ebhohon, Int J Emerg Med 2022).
CL Answer
Are the cardiovascular benefits of resveratrol exaggerated?
Find out if resveratrol is effective in improving blood vessels or cardiovascular disease and some safety concerns.
CL Answer
Does Carditone work to lower blood pressure?
Carditone information, including safety and side effects, whether Carditone has been shown to work for blood pressure and angina, and more.
News Release
December 11, 2020
Caution With Cinnamon: ConsumerLab Tests Reveal High Amounts of Toxin in Some Supplements and Spices
White Plains, New York, December 11, 2020 — Cinnamon is a favorite spice that may modestly help lower blood sugar levels, likely due beneficial proanthocyanidins (PACs).
News Release
October 21, 2020
Best Apple Cider Vinegar? Quality of Bottled Apple Cider Vinegars and Supplements Varies, According to ConsumerLab
White Plains, New York, October 21, 2020 — Apple cider vinegar is often promoted for lowering blood sugar levels, weight loss, "balancing" pH, and improving digestion.
News Release
April 03, 2020
Tests of Holy Basil Supplements Show 63% Fail on Quality -- ConsumerLab Tests Reveal the Best and Worst Holy Basil Supplements
White Plains, New York, April 3, 2020 — Holy basil supplements are promoted to reduce stress and anxiety, lower blood sugar, and strengthen the immune system.
News Release
September 11, 2019
Some Nutrition Bars Contain More Carbs and Less Fiber Than Listed, ConsumerLab Tests Reveal
White Plains, New York, September 11, 2019 — Nutrition bars and cookies are promoted as a convenient way to get protein, fiber and other nutrients on-the-go, but recent ConsumerLab tests of popular nutrition bars and cookies reveal that some contain more carbohydrates (as well as fat and ...
Recalls & Warnings
June 02, 2022
Walmart Inc. Recalls Joint Supplements With Omega-3, Glucosamine & Curcumin
On May 28, 2022, Walmart Inc. issued a voluntary recall of all lots of Artri Ajo King Joint Supplements after FDA laboratory analysis found the presence of undeclared diclofenac.
Recalls & Warnings
August 16, 2023
FDA Warns Hekma Center, LLC for Promoting Products to Treat Anemia, Diabetes, Depression, & More
On June 2, 2023, the FDA issued a warning letter to Hekma Center, LLC following review of the company’s website and social media, which found statements about the company’s Natural Supplements for Anemia, Lymf (Galium aparine), Natural Supplements for Cardiomyopathy, Magic1 (Moringa ...
Recalls & Warnings
March 18, 2021
Hand Sanitizer Recalled Because Packaging Resembles Water Bottle
On March 17, 2021, PNHC, LLC d/b/a Heal the World recalled all lots of Heal the World hand sanitizer because the product is packaged in containers resembling water bottles.
Recalls & Warnings
January 20, 2021
Seller of Omega-3 Warned for Making Claims to Treat Focus, Mood
On December 9, 2020, the FDA issued a warning letter to Bodyhealth.com, LLC following a review of the company's website, which found statements made about the company's products Healthy-Thin Energize, Body Detox (Oral Spray), and Omega 3 Health to be drug claims.
Recalls & Warnings
July 06, 2021
Limar Hand Sanitizer Recalled
On July 1, 2021, Ardil Comercial recalled one lot of Limar Hand Sanitizer packaged because its packaging resembles water bottles which could pose a risk of ingestion.
Recalls & Warnings
June 22, 2021
Prairie Wolf Hand Sanitizer Recalled
On June 21, 2021, Prairie Wolf Spirits, Inc. recalled all lots of Prairie Wolf Distillery hand sanitizer packaged in 16.9 fluid ounce and 20 fluid ounce containers that resemble water bottles because the products pose a risk of ingestion.
News Release
August 22, 2019
Best Reishi Mushroom Supplements Identified by ConsumerLab
White Plains, New York, August 22, 2019 — Reishi mushroom supplements are promoted for many uses, from strengthening the immune system and lowering blood sugar, to improving cardiovascular health and reducing cancerous tumors.
News Release
April 25, 2019
Best Coconut Water? ConsumerLab Tests Popular Products, Reveals Top Pick
White Plains, New York, April 25, 2019 — Coconut water is often promoted as a healthy way to stay hydrated and a natural alternative to sports drinks.
Recalls & Warnings
July 22, 2022
FDA Warns Seller of Vision, Calcium & Magnesium Supplements and More
On June 14, 2022, the FDA issued a warning letter to New Sun Inc. following inspection of the company’s website which found statements about the company’s products to be drug claims.
News Release
April 01, 2019
Not All Quercetin Supplements Contain What They Claim, ConsumerLab Tests Reveal
White Plains, New York, April 1, 2019 — Quercetin is a flavonoid found in foods such as onions, kale and apples. Sold as a supplement, quercetin is promoted to help with a range of conditions including prostatitis, asthma, and rheumatoid arthritis, as well as blood sugar control.
Recalls & Warnings
April 30, 2021
FDA Warns Seller of Fish Oil, Apple Cider Vinegar, Collagen, and Elderberry Supplements
On April 13, 2021, the FDA issued a warning letter to Orphic Nutrition following a review of the company's websites, which found statements made about the products Apple Cider Vinegar Capsules, Ashwagandha Capsules, Garcinia Cambogia Capsules, Premium Collagen Peptides Capsules, Elderberry ...
News Release
January 03, 2019
ConsumerLab Tests Reveal the Best Protein Powders, Shakes and Drinks -- 20% of Protein Powders and Drinks Fail CL's Tests of Quality
White Plains, New York, January 3, 2019 — Combined with resistance exercise, protein supplements can help athletes build muscle and older people prevent muscle loss. They can also help people with diabetes maintain blood sugar levels when consumed as part of a low-calorie diet.
News Release
July 10, 2018
Best Chromium Supplements Identified by ConsumerLab
White Plains, New York, July 10, 2018 — Chromium supplements are promoted to help control blood sugar in people with type 2 diabetes and with weight loss.
News Release
January 21, 2018
Best Apple Cider Vinegar? Beware of Poison! -- ConsumerLab.com Tests Reveal the Best and Worst Apple Cider Vinegars and Pills and Why Some Could Be Dangerous
White Plains, New York, January 21, 2018 — Apple cider vinegar is promoted as a safe and natural remedy for everything from lowering blood sugar and losing weight to improving digestion and treating infections.
News Release
December 12, 2017
Berberine and Goldenseal: Avoid Fakes! -- ConsumerLab.com Testing Reveals the Best and Worst Supplements
White Plains, New York, December 12, 2017 — Berberine, a compound found in goldenseal root, may help to lower blood sugar in certain people, and may have other potential benefits. However, ConsumerLab.
News Release
December 06, 2016
Which Brands of Alpha Lipoic Acid are Best? -- ConsumerLab.com Tests Lipoic Acid Supplements for Quality, Identifying Top Picks
White Plains, New York, December 6, 2016 — Alpha-lipoic acid supplements may improve insulin sensitivity and blood sugar control in people with type 2 diabetes, reduce symptoms of diabetic peripheral neuropathy, and enhance weight loss when dieting.
News Release
July 26, 2016
36% of Meal Replacement Powders and Shakes Fail ConsumerLab.com's Tests of Quality
White Plains, New York, July 26, 2016 — [Note: This review has been archived and is no longer available online. For ConsumerLab's most recent tests of meal replacement shakes, drinks and mixes, please see our Protein Powders, Shakes, and Meal Replacements Review.
News Release
June 15, 2016
28% of Protein Powders and Drinks Fail ConsumerLab.com's Tests of Quality
White Plains, New York, June 15, 2016 — Protein powders and drinks can help build and maintain muscle when combined with exercise and can also help with blood sugar control. However, recent ConsumerLab.
News Release
January 05, 2016
Cinnamon Spices and Supplements Found to Vary Widely in Levels of Potentially Helpful and Harmful Compounds Reports ConsumerLab.com
White Plains, New York, January 5, 2016 — Cinnamon supplements may be helpful for controlling blood sugar in people with type 2 diabetes or prediabetes, possibly due to compounds known as proanthocyanidins or PACs.
News Release
February 19, 2015
Only 50% of Aloe Products Pass ConsumerLab.com Tests
White Plains, New York, February 19, 2015 — "Choose aloe products carefully," cautions ConsumerLab.com president Tod Cooperman, M.D. after recent tests found only five of 10 aloe pills, gels and drinks selected for review to contain what the company expected based on labels.
Recalls & Warnings
October 18, 2017
FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims
On August 15, 2017, the FDA issued a warning letter to Years to Your Health, Inc., following an inspection of the company's website which found a number of their products to be misbranded, as they contained drug claims.
Recalls & Warnings
October 06, 2020
Hand Sanitizers Marketed for Children, Packaged in Containers Resembling Food and Drink Recalled
On October 1, 2020, Ashtel Studios recalled six hand sanitizers because they are packaged in containers resembling food and drink pouches. Hand sanitizers can be toxic if ingested, and can cause lack of coordination, slowed or slurred speech, drowsiness, coma, or death.
Recalls & Warnings
September 10, 2020
Hand Sanitizer Labeled as "Edible" Recalled
On September 3, 2020, CorgioMed LLC recalled one lot of Leafree Instant Hand Sanitizer Aloe Vera because they are labeled "edible alcohol." Hand sanitizers can be toxic if ingested, and can cause lack of coordination, slowed or slurred speech, drowsiness, coma, or death.
Recalls & Warnings
September 08, 2020
Seller of "Diabetes Supplement" & More Warned for Drug Claims
On August 25, 2020, the FDA issued a warning letter to Nutritional Supplements Corporation Inc following a review of the company's website, which found statements made about some of the company's products, including Vitadone, Diabrex, and Viadevita to be drug claims.
Recalls & Warnings
May 24, 2013
Brewable Tea and Tea Supplement Company Warned For Manufacturing Violations and Drug Claims
On April 2, 2013, the FDA issued a warning letter to Natures Health Options, LLC, following an investigation which found the company's Charantea Bitter Melon Ampalaya, which is distributed as a dietary supplement in capsule form, and as a tea, to be adulterated because it was prepared, packed, or ...
Recalls & Warnings
October 06, 2020
FDA Warns Seller of Red Yeast Rice, Vitamin D, Blood Pressure Supplements, and More
On August 28, 2020, the FDA issued a warning letter to Dr. Sam Robbins, Inc.
Recalls & Warnings
January 17, 2018
Joint and Pain Relief Product Contains Undeclared Drug
On January 17, 2018 Health Canada warned consumers that Linsen Double Caulis Plus, a supplement for joint pain, was found to contain the undeclared drug dexamethasone.
News Release
October 08, 2013
ConsumerLab.com Reports Problems and “Top Picks” Among Bars for Energy, Fiber, Protein, Meal-Replacement, and Whole Food
WHITE PLAINS, NEW YORK — October 8, 2013 — Which nutrition bars provide the best combination of nutrition and taste, and are accurately labeled? ConsumerLab.com recently set out to answer this question by purchasing popular bars in the U.S.
News Release
August 16, 2010
Problems persist with ginseng supplements -- Review by ConsumerLab.com finds 45% of products don't provide full amount of ingredient or are contaminated
WHITE PLAINS, NEW YORK — August 16, 2010 — ConsumerLab.com reported today that five out of eleven ginseng supplements recently selected for testing contained less ginseng than expected from their labels or were contaminated with lead and/or pesticides.
News Release
May 05, 2010
Tests of protein powders and drinks show some lead contamination but no melamine -- New report covers whey, soy, and rice protein supplements for body building, endurance/recovery, meal-replacment and dieting
WHITE PLAINS, NEW YORK — MAY 5, 2010 — New tests by ConsumerLab.com found most protein powders, shakes and drinks to meet their nutrient claims, but two products were contaminated with lead (6 to 18 mcg per day) and a third product contained four extra grams of sugar.
News Release
October 07, 2009
ConsumerLab.com finds that only two-thirds of alpha-lipoic acid supplements selected for testing pass quality review -- Anti-oxidant supplements helpful to diabetics
White Plains, New York — Wednesday, October 7, — Alpha-lipoic acid (also called lipoic acid) is a natural anti-oxidant that can help diabetics reduce symptoms of peripheral neuropathy and control blood sugar, among other uses. ConsumerLab.
News Release
August 12, 2008
ConsumerLab.com finds improvements in labeling of nutrition bars but potential pitfalls exist -- New report compares 20 bars, including those for protein, fiber, energy and whole food
WHITE PLAINS, NY — August 12, 2008 — Labeling on nutrition bars has become more accurate, according to a new report by ConsumerLab.com.
News Release
October 10, 2006
Care advised with natural cold remedies: ConsumerLab.com finds few products with proper quality and directions — ConsumerLab.com offers advice from tests of echinacea, garlic, ginseng, vitamin C, and zinc supplements
WHITE PLAINS, NEW YORK — TUESDAY, OCTOBER 10, 2006 — Autumn is the beginning of "cold season" — the period through early spring when people are most likely to develop a cold. But based on ConsumerLab.
News Release
May 24, 2006
Problems persist with ginseng supplements — ConsumerLab.com finds nearly half of products lack ingredient or contaminated
WHITE PLAINS, NEW YORK — May 24, 2006 — ConsumerLab.com has released test results for dietary supplements made with ginseng, a popular herb promoted for vitality and the treatment or prevention of a range of medical conditions.
News Release
November 15, 2005
Testing by ConsumerLab.com identifies many problems with popular supplements for weight loss, slimming, and blood sugar control
Westchester, NY — November 15, 2005 — In a series of reports released today, ConsumerLab.com revealed test results for supplements used for weight loss, slimming, and blood sugar control. Among the twenty-three products that ConsumerLab.
Recalls & Warnings
August 07, 2018
FDA Warns Seller of Noni Juice Products
On July 18, 2018, the FDA issued a warning letter to Hawaiian Organic Noni, LLC, following a facility inspection which found statements made on the labels of certain products, including Hawaiian Organic Noni Fruit Leather, Hawaiian Organic Noni Banana Fruit Leather, Hawaiian Organic Noni ...
Recalls & Warnings
May 23, 2013
Seller of Sexual Enhancement, Cholesterol, Resveratrol Supplements and More Warned For Drug Claims
On May 2, 2013, the FDA issued a warning letter to Alternative Health Supplements, following a review of the company's website, which found statements made about several dietary supplements, including Regenerect, Alligin, Astaxanthin Advantage, HDL Cholesterol Management, Resveratrol, Coral Calcium ...
Clinical Update
12/06/2022
Allulose vs. Sugar
How did the taste of the low-calorie sweetener allulose compare to table sugar, stevia, and sucralose (Splenda) in a recent study? Find out in our updated article about stevia and other natural sweeteners.
Clinical Update
3/31/2023
Agave, Honey & Maple Syrups
Are agave syrup, honey, or maple syrup healthier than table sugar? Find out in our updated article: Pros and Cons of Stevia and other Sugar Substitutes.
Clinical Update
4/25/2023
Acesulfame K (Ace-K)
How does the sweetener acesulfame K (Ace-K), found in products such as Sunett and Sweet One, compare to sugar and is it safe? Find out in our updated article about stevia and sugar substitutes.
Clinical Update
1/25/2020
Stevia vs. Sugar for Hunger Suppression
How does the non-caloric sweetener stevia compare to sugar in suppressing hunger before a meal? Find out in our updated answer to the question: What are the health benefits of stevia? Is it safe?
News Release
August 31, 2005
ConsumerLab.com testing of alpha lipoic acid supplements from Japan finds no ingredient in one product; Most others meet claims — Japanese consumers urged to research product quality
WHITE PLAINS, NY — ConsumerLab.com reported this week that among nine brands of alpha lipoic acid supplements it recently purchased in Japan and tested, one contained none of the popular ingredient and another contained only 81%.
Recalls & Warnings
November 02, 2012
Maker of Joint Health, Blood Sugar, Prostate, Ginkgo Supplements and More Warned For Drug Claims, Misbranding and Adulteration
On September 10, 2012, the FDA issued a warning letter to Global Source Management & Consulting for making drug claims about the following dietary supplements: Scientific Joint Program capsules, Alpha Lipoic Acid, Healthy Blood Sugar Diabetic Support, Dr.
Recalls & Warnings
September 18, 2012
Maker of Noni, Nopal, Blood Sugar and Cholesterol Supplements Warned For Drug Claims, Misbranding, and Manufacturing Violations
On August 27, 2012, the FDA issued a warning letter to Naturavit, Inc. for making statements about dietary supplements Noni Imperial Hawaiian, Garlic and Parsley, Cholestol, Nopal and Diatrin that constitute drug claims.
Recalls & Warnings
April 17, 2012
FDA Warns Seller of Diabetes Supplement Marketed with Rx Claims
The FDA has posted a Warning Letter (dated April 4, 2012) to Leaner Living regarding the marketing of its Glycosolve product.
Recalls & Warnings
July 01, 2005
FDA Issues Nationwide Alert for "Liqiang 4" Due to Potential Health Risk
On July 1, 2005, the U.S. Food and Drug Administration (FDA) warned consumers not to take Liqiang 4 Dietary Supplement Capsules because they contain glyburide – a drug that could have serious, life-threatening consequences in some people.
Recalls & Warnings
March 13, 2018
FDA Warns Seller of Milk Thistle, Chromium, Joint Supplements & More for Manufacturing Violations
On March 9, 2018, the FDA issued a warning letter to Carol Bond Health Foods following a facility inspection which found a number of the company's products, including Dolomite, Lipo Fat Fighter, ThistleX, Injuv, and Vinpocentine, to be ...
Recalls & Warnings
February 10, 2018
Warning to D-Limonene, Vitamin C Seller
On January 31, 2018 the FDA issued a warning letter to Long Life Unlimited, LLC following a review of the company's website which found promotional statements and testimonials made about products including Balance 600, D-Limonene, Rapha Remedy, Rapha Remedy w/ p73 Wild Oregano, Vitamin C, ...
Recalls & Warnings
September 19, 2018
Seller of Curcumin, Garcinia, Glucosamine and More Warned for Manufacturing Violations
On September 7, 2018, the FDA issued a warning letter to Best Nutrition Products, Inc.
Recalls & Warnings
May 15, 2018
Seller of Apple Cider Vinegar, Joint Supplements & More Warned for Drug Claims
On April 25, 2018, the FDA issued a warning letter to Baker's Best Health Products, Inc.
Clinical Update
9/15/2023
Early Puberty from Sweetener?
A common sweetener was linked with early puberty in girls in a recent study. An increased risk of cancer has also been reported. See the details in our article about sugar substitutes.
Clinical Update
4/04/2023
Sweeteners - Aspartame Intake Limits and Side Effects
- How many diet sodas would need to be consumed to exceed the acceptable daily intake limit for aspartame?
- Have sweeteners been linked with ringing in the ears? Read about rare reports with aspartame and saccharin.
- Are tagatose or glycine good options for use as sugar substitutes?
Clinical Update
4/07/2023
Lakanto Without Erythritol?
We previously reported that Lakanto Monkfruit Sweetener is mostly erythritol, with very little monk fruit. However, not all Lakanto products contain erythritol. Get the details in the Monk Fruit section of our article about the Pros and Cons of Sugar Substitutes.
Clinical Update
3/24/2023
Questions About Sweeteners
Learn about polydextrose, sorbitol, and trehalose in our article about the Pros and Cons of Stevia and Other Sugar Substitutes.
Also find out if stevia loses sweetness during storage.
Clinical Update
8/08/2023
Sweeteners & Obesity
Is long-term use of aspartame, saccharin or sucralose linked with increased body fat, weight gain, and risk of obesity? See what a recent study showed in our updated article about sugar substitutes.
Clinical Update
7/18/2023
Aspartame & Cancer
A group of experts recently classified aspartame as "possibly carcinogenic." Learn what evidence was used to support this classification, and find out if all experts agree with it, in the Aspartame section of our article about sugar substitutes.
Clinical Update
1/13/2023
Lifestyle Changes for Tinnitus?
Find out if research supports the following lifestyle changes for reducing symptoms of tinnitus:
Clinical Update
8/02/2015
Prebiotics for Immune Health
Prebiotics are complex sugars which can support the growth of probiotic organisms in the gut. A recent study reported a specific type of prebiotic increased amounts of beneficial bacteria and improved certain markers of immune function in older men and women. Get the details, including dosage, plus our tests of popular probiotics and prebiotics in the Probiotic Supplements Review >>
Recalls & Warnings
October 24, 2012
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
On October 16, 2012, the FDA issued a warning letter to dietary supplement manufacturer Advanced Nutritional Technology Inc.
Recalls & Warnings
August 30, 2012
FDA Warns of Medical Claims Made For Numerous Chinese Herbal Products
On August 15, 2012, the FDA warned Dragon Herbs that promotional statements made on the company's website constitute drug claims for twenty herbal products, including CardioPro 2000, Cordyceps, Duanwood Reishi, Gynostemma, Ginseng and Astragalus Combination, Dang Gui and Gelatin, Sweet Relief, ...
Recalls & Warnings
April 26, 2013
Seller of Immune, Cholesterol, Liver and Blood Sugar Products Warned For Drug Claims
On March 20, 2013, the FDA issued a warning letter to Birkdale Medicinals LLC, following a review of the company's website which found statements made about Birkdale products, including Immune Response 247, Cholestat, Silymarin 81 and LevelStat, to be drug claims.
Recalls & Warnings
October 18, 2017
Total Body Nutrition Warned for Banned Stimulant in Supplements
On September 28, 2017, the FDA issued a warning letter to Total Body Nutrition following a facility inspection which found some of the company's products to be adulterated because they were prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary ...
Recalls & Warnings
September 26, 2017
FDA Warns Seller of DHEA, Creatine, Chromium & More for Manufacturing Violations, Drug Claims
On August 25, 2017, the FDA issued a warning letter to Mega-Pro Nutrition, Inc., following inspections of the facility and website www.mega-pro.
Recalls & Warnings
August 29, 2017
FDA Warns Seller of Supplements for Allergies, Joint Pain, Bone Health, and More
On August 16, 2017, the FDA issued a warning letter to Total Nutrition, Inc.
Recalls & Warnings
January 17, 2017
Seller of Heart, Senior and Teen Supplements Warned For Drug Claims
On December 7, 2016, the FDA issued a warning letter to Esteem Products Ltd following a review of the company's website, which found statements made about its products, Cardio Life, Total Man, Total Woman, Senior Total Man, Senior Total Woman , and Total Teen to be drug ...
Recalls & Warnings
July 13, 2012
Alistrol Health Inc. Warned Over Health Claims on Products
On June 26, 2012, the FDA issued a warning letter to Alistrol Health Inc. for making product statements on the company's websites that constitute drug claims.
Recalls & Warnings
July 23, 2016
Seller of GlucoCor Warned for Drug Claims
On June 30, 2016, the FDA issued a warning letter to MC-COR, LLC, following a review of the company's website and Facebook page which found statements made about its GlucoCor capsules to be drug claims.
Clinical Update
6/24/2014
Vitamin D May Help Lower Blood Pressure
A recent study in people with mild to moderate high blood pressure showed that taking a vitamin D supplement helped lower blood pressure. Subjects in the study were already taking a calcium channel blocker (nifedipine), but taking vitamin D reduced blood pressure by several additional points. For details, including the dose of vitamin D used, as well as our tests of vitamin D supplements which can provide this dose, see the updated Vitamin D Supplements Review (Including Calcium, Vitamin K, and Magnesium) >>
Clinical Update
3/21/2015
Vitamin D for Blood Pressure?
Low levels of vitamin D in the blood are associated with high blood pressure. However, a recent review of many studies concludes that giving vitamin D doesn't help lower blood pressure. For more details about this and other potential uses of vitamin D, as well as our test-based reviews of products, see the Vitamin D Supplements Review >>
Clinical Update
8/11/2023
Getting an Accurate Blood Pressure Reading
A new study shows why choosing the right-sized blood pressure cuff is critical for an accurate reading. Get the details in the blood pressure monitors section of our article about supplements and blood pressure.
Recalls & Warnings
February 28, 2013
Maker of Liquid Omega-3 Supplements Warned For Manufacturing Violations
On February 20, 2013, the FDA issued a warning letter to Capco Custom Packaging Inc.
Recalls & Warnings
August 17, 2022
Seller of Moringa Tea and Other Herbal Products Warned for Drug Claims, Manufacturing Violations
On July 29, 2022, the FDA issued a warning letter to Deggeh Foods, Inc.
Recalls & Warnings
May 30, 2014
Seller of Brain, Diabetes, Echinacea Supplements and More Warned for Drug Claims
On April 22, 2014, the FDA issued a warning letter to Mundo Natural Inc., following a review of the company's website which found statements made about supplements Neuro AD, Stop Diabetes, Stop High Blood Pressure, Morninga 7 and Purpurea Echinacea to be drug claims.
Recalls & Warnings
August 22, 2012
FDA Warns of Life-Threatening Side Effects and Withdrawal Symptoms from Two Arthritis, Muscle Pain Supplements
On August 21, 2012, the FDA issued a warning to consumers about the dangers of taking Reumofan Plus and Reumofan Plus Premium, two dietary supplements marketed for arthritis, osteoporosis and muscle pain.
Recalls & Warnings
August 30, 2012
Supplement Company Warned For Medical Claims and Misbranding Of Omega-3, CoQ10, Noni Juice And More
On July 12, 2012, the FDA issued a warning letter to Alfa Vitamins Laboratories, Inc.
Recalls & Warnings
February 20, 2013
Recall: Arthritis and Muscle Pain Supplement Contains Prescription Drugs
On February 15, 2013, Reumofan Plus USA, LLC and Reumofan USA, LLC announced a recall of Reumofan Plus, a dietary supplement promoted for arthritis and muscle pain, because it was found to contain the active pharmaceutical ingredients methocarbamol, dexamethasone, and diclofenac.
Recalls & Warnings
November 21, 2012
Maker of Blood Pressure, Probiotic, Resveratrol and Hormonal Supplements Warned For Manufacturing Violations and Drug Claims
On November 2, 2012, the FDA issued a warning letter to Atrium, Inc. following a facility inspection which found a number of the company's dietary supplements to be adulterated or promoted as drugs.
Recalls & Warnings
July 24, 2014
Seller of Noni Juice Products Warned for Manufacturing Violations, Drug Claims
On July 14, 2014, the FDA issued a warning to Noni Connection dba Puna Noni, following a facility inspection which found the company's Puna Noni 100% Pure Hawaiian Noni Fruit Capsules to be adulterated because they were prepared, packed, or held under conditions that violate Current Good ...
Recalls & Warnings
November 14, 2014
FDA Warns Consumers Not to Buy or Use Muscle Enhancement Supplement
On November 13, 2014, the FDA advised consumers not to buy or use the muscle enhancement supplement Mayhem (Chaotic-Labz) because it was found to contain the undeclared drugs cyproheptadine and dexamethasone. These drugs can cause serious side effects and can interact with other medications.
News Release
February 08, 2005
ConsumerLab.com reports on nutrition bars — Highlights major differences, inaccuracies, and urges consumers to "know your bar"
WHITE PLAINS, NY — February 8, 2005 — ConsumerLab.com reported test results today for 34 nutrition bars, including those designed for high protein, low-carb/diet, energy, or meal-replacement.
Recalls & Warnings
June 04, 2012
FDA Warning on Supplement for Pain Relief
On June 1, 2012, the U.S. FDA warned consumers that Reumofan Plus, marketed as a “natural” dietary supplement for pain relief and other serious conditions, contains several active pharmaceutical ingredients not listed on the label that could be harmful.
Recalls & Warnings
November 11, 2014
Seller of Sexual, Muscle Enhancement Supplements Warned for Manufacturing Violations and Drug Claims
On August 26, 2014, the FDA issued a warning letter to GE Pharma LLC following a facility inspection which found the company's products, including Fire Burn, Fire Storm, Creatine, Amino Fire, Nitric Fire, Jet Fire, Oxy Fire, HGH, Cissus, Hydro shield, Performa-Test, Raspberry Ketones, Fire Drol, ...
Recalls & Warnings
February 24, 2015
Seller of Heart, Brain and Diabetes Supplements Warned for Drug Claims
On February 6, 2015, the FDA issued a warning letter to LCW, Inc.
Recalls & Warnings
December 20, 2014
Company Recalls Second Weight Loss Supplement
On December 19, 2014, Bethel Nutritional Consulting, Inc. issued a recall of one lot of weight loss supplement B-Lipo Capsules because they were found to contain Lorcaserin.
Recalls & Warnings
May 14, 2016
Xylitol in Supplements Poses Danger for Dogs
On May 12, 2016, the FDA warned consumers that xylitol, a popular sweetener found in chewable vitamins, chewing gum, breath mints, toothpaste and a variety of other products, is toxic to dogs.
Recalls & Warnings
May 30, 2015
Seller of Supplements for Herpes, Prostate Cancer & More Warned for Drug Claims
On May 7, 2015, the FDA issued a warning letter to Strictly Health Corporation, following a review of the company's websites which found statements made about FENVIR, Prosta Pep and Tonalin brand CLA to be drug claims.
Recalls & Warnings
May 09, 2022
Natural Organics Keto Capsules Recalled Due to Gluten
On March 6, 2022, Natural Organics, Inc. issued a recall of four lots of NaturePlus Keto Living Sugar Control Capsules that were found to contain gluten.
Recalls & Warnings
May 06, 2015
Joint Pain Supplements Found to Contain Diuretics, Antihistamines and Other Undeclared Drugs
On May 4, 2015, the FDA warned consumers not to buy or use the following supplements promoted for joint or back pain because they were found to contain undeclared drugs. Each was identified during an examination of international mail shipments.
Recalls & Warnings
March 29, 2013
Prescription Drugs Found In Prostate and Sexual Enhancement Supplements
October 24, 2012 the FDA issued a warning letter to USA Far Ocean Group Inc./ Health & Beauty Group Inc. because a number of the company's dietary supplements were found to contain pharmaceutical drugs, or were promoted with statements that constitute drug claims.
News Release
December 20, 2004
Testing of Alpha-lipoic acid supplements by ConsumerLab.com finds most meet label claims but one with only 15% of ingredient — Antioxidant of potential benefit in diabetes and other conditions
WHITE PLAINS, NY — December 20, 2004 — ConsumerLab.com announced today that one of 21 alpha-lipoic acid supplements recently tested contained only 15% of the alpha-lipoic acid that it claimed. Alpha-lipoic acid is an antioxidant naturally produced in the body.
Recalls & Warnings
December 21, 2012
Dangerous Supplement Being Sold Under New Name
On December 21, 2012, the FDA warned consumers that Reumofan Plus, a dietary supplement promoted for arthritis and muscle pain that has been linked to serious and sometimes fatal side effects, is now being sold under the name WOW.
Recalls & Warnings
February 13, 2013
Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims
On January 29, 2013, the FDA issued a warning letter to M.D.R. Fitness Corp. following a facility inspection which found violations of good manufacturing practices which cause the company's products to be adulterated.
Recalls & Warnings
December 16, 2015
Maker of Red Yeast Rice, St. John's Wort, Valerian and More Warned for Manufacturing Violations, Drug Claims
On December 2, 2015, the FDA issued a warning letter to Nature's Health, LLC, following a facility inspection which found the company's product, including Ginkgo & Rhodiola, Blood Sugar Balance IV, Cinnamon Extract, Choles-Balance Red Yeast Extract, Lecithin, Milk Thistle Seed Extract, ...
Recalls & Warnings
March 10, 2015
Maker of Magnesium, Calcium, Zinc, B Vitamins and More Warned for Manufacturing Violations, Drug Claims
On January 8, 2015, the FDA issued a warning letter to Complete H2O Minerals, following a facility inspection which found the company's products, including Sulfur Concentrate, Copper, Extra Strength Copper, Extra Strength Magnesium, Extra Strength Zinc, Platinum, Gold, Indium, Molybdenum, ...
Recalls & Warnings
October 24, 2012
FDA Seizes Many Supplements from New York Company Due To Drug Claims
On October 23, 2012, U.S. Marshalls, acting on behalf of the FDA, seized dietary supplements and unapproved drugs from Confidence, Inc., a supplement manufacturer in Port Washington, N.Y. The products included dietary supplements Dr.
Recalls & Warnings
September 09, 2011
Possible Concern with Fenugreek Based on Contamination in Europe
Products made with fenugreek, including pills containing fenugreek seed, have been pulled from shelves in Germany due to conern over potential contamination with E. coli bacteria. There is no such action in the U.S., but ConsumerLab.
News Release
April 03, 2002
More than one in five weight loss, slimming and/or diabetes supplements fail ConsumerLab.com evaluation — Problems found in chromium and pyruvate products; CLA products fine
WHITE PLAINS, NY — April 3, 2002 — ConsumerLab.com announced today that more than one in five products failed its recent Product Review of Weight Loss, Slimming and Diabetes-Management Supplements.
Recalls & Warnings
March 15, 2013
Maker of Liquid Supplements Warned For Manufacturing Violations and Drug Claims
On January 31, 2013, the FDA issued a warning letter to Liquid Health, Inc.
Recalls & Warnings
May 28, 2003
FTC Challenges Claims of Five Supplements to Treat or Cure Serious Diseases
On May 27, 2003 the Federal Trade Commission announced that it had filed a complaint in federal district court against A.
Recalls & Warnings
August 01, 2022
53 Protein, Meal Replacement and Nutritional Beverages Recalled Due to Bacterial Contamination
On July 29, 2022, Lyons Magnus LLC issued a recall of 53 protein, meal replacement, and nutritional beverages, including those sold under the brand names of Glucerna, Premier Protein, Oatly, and others, due to the potential for microbial contamination, including from Cronobacter sakazakii.
News Release
October 30, 2001
Sixty percent of nutrition bars fail to meet claims in ConsumerLab.com tests — "Low Carb" bars often loaded with carbohydrates; excess sodium and saturated fat also found
WHITE PLAINS, NY — October 30, 2001 — ConsumerLab.com, an independent evaluator of dietary supplements and nutrition products, released results today of its Nutrition Bar Product Review.
Recalls & Warnings
October 21, 2014
Seller of Weight Loss, Saw Palmetto Supplements and More Warned for Drug Claims
On October 9, 2014, the FDA issued a warning letter to Bethel Nutritional Consulting, Inc., following a review of the company's website which found statements made about 15 Day Detox Diet, Alpha Lipoic Acid. 300 mg.
Recalls & Warnings
April 10, 2021
HI-TECH Workout Supplements Recalled Due to Undeclared Allergens
On April 3, 2021, HI-TECH Pharmaceuticals issued a recall of all lots of APS Nutrition Isomorph 28 in a 2lb jug because they contain undeclared milk, wheat, and soy.
Recalls & Warnings
April 16, 2014
Seller of Aloe, Thyroid and Other Supplements Warned for Manufacturing Violations and Drug Claims
On March 21, 2014, the FDA issued a warning letter to Aloe Man International Corp.
Recalls & Warnings
December 19, 2013
Seller of Sexual Enhancement Supplement and Tea Drink Warned for Drug Ingredients and Drug Claims
On December 5, 2013, the FDA issued a warning letter to Green Planet, Inc. following a facility inspection which found the company's sexual enhancement supplement Night Bullet to contain the drugs sulfohydroxyhomosildenafil, thioaildenafil and aminotadalafil.
Recalls & Warnings
August 22, 2015
Synthetic Amphetamine, Less Protein and More Sugar Than Claimed Found in Workout Supplements
On August 7, 2015, the FDA issued a warning letter to New Dawn Nutrition, Inc.
Recalls & Warnings
May 03, 2013
Maker of Omega-3, Saw Palmetto, St. John’s Wort Supplements And More Warned For Manufacturing Violations and Drug Claims
On March 19, 2013, the FDA issued a warning letter to Sunset Natural Products Inc.
Recalls & Warnings
February 01, 2013
Lactase Enzyme Supplement Recalled
On November 13, 2012, Cardinal Health issued a voluntary recall of specific lots of Dairy Aid Lactase Enzyme Supplement 3,000 FCC Unit caplets because they are incorrectly labeled as 9,000 FCC Unit caplets.
Recalls & Warnings
October 17, 2012
Herbal Supplement Company Warned For Manufacturing Violations and Drug Claims
On October 2, 2012, the FDA issued a warning letter to Amazing Herbs Nutraceuticals following a facility inspection which found violations of Current Good Manufacturing Practices (CGMPs) for dietary supplements.
