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CL Answer

Does chuchuhuasi reduce inflammation or back pain?

Find out if chuchuhuasi, an herb from the Amazon rainforest, can decrease inflammation or reduce back pain. ConsumerLab.com's answer explains.

Chuchuhuasi for Inflammation & Back Pain? -- Woman With Back Pain Sitting, at Desk Drinking Tea

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.

Fish Oil and Other Marine Oil Supplements Reviewed by ConsumerLab.com

Product Review

Turmeric and Curcumin Supplements and Spices Review

See Our Top Picks Among Turmeric Products

CL Answer

Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?

Find out if supplements such as turmeric, fish oil, MSM (methylsulfonylmethane), SAMe (S-adenosyl-methionine), boswellia, ginger, white willow bark or arnica may, or may not, be helpful to people sensitive to NSAIDs.

Woman with NSAID-hypersensitivity looking at two supplement containers and wondering if they are safe to take

CL Answer

Which supplements help with arthritis?

Learn more about supplements for joint health, including products such as Wobenzym and Zyflamend and ingredients such as collagen, curcumin, glucosamine and chondroitin, hyaluronic acid, magnesium, omega-3 fatty acids, palmitoylethanolamide (PEA), SAMe, and others.

Supplements for Osteoarthritis and Rheumatoid Arthritis -- Women With Arthritic Hands

Product Review

Probiotic Supplements Review (Including Pet Probiotics)

Probiotics: See What They Really Contain and Our Top Picks

CL Answer

What are the health benefits of black garlic?

Find out if black garlic can lower cholesterol, reduce inflammation or has anti-cancer properties, plus how it compares to fresh garlic and other garlic supplements.

Black Garlic Health Benefits -- black garlic cloves up close

CL Answer

Which supplements help for osteoarthritis of the hip?

Supplements for hip pain and osteoarthritis, such as SAMe, ginger and collagen, may help or reduce pain.

Woman Holding Hip from Pain

CL Answer

Can a probiotic help men with prostatitis?

Learn more about prostatitis, the effects of probiotics on prostatitis, and other natural treatments.

CL Answer

Do any supplements help with pancreatitis? Do any cause pancreatitis?

Find out if supplements including digestive enzymes, antioxidants, or medium-chain triglycerides are beneficial for chronic pancreatitis, and learn which supplements might worsen symptoms.

Person with pancreatitis holding their abdomen

CL Answer

Which vitamins and supplements are good for acne, and are there any that make it worse?

Information about supplements for acne and clearer skin. Plus, find out which vitamins and supplements can make acne worse.

Supplements for Acne and Clear Skin -- Woman taking fish oil supplement

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.

Serrapeptase for Inflammation and Pain

CL Answer

Is bromelain a good alternative to NSAIDs, like ibuprofen, for muscle or joint pain?

Do bromelain supplements have benefits? Learn more about its safety, and if it is a good alternative to NSAIDs like ibuprofen.

Bromelain Supplements Top View

CL Answer

Is it true that taking a statin drug negates the benefits of taking fish oil supplements?

Information on the interaction between statins and fish oils and omega-3 fatty acids.

Taking Statins & Fish Oil -- fish oil capsules and stethoscope

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.

Tart Cherry Benefits -- glass of cherry juice and two tart cherries

CL Answer

Do any supplements help with gum disease or periodontitis?

Supplements for healthy gums may help with gum disease or periodontitis. Learn more about omega fatty acids, lycopene, and probiotics.

Smiling Woman Taking White Supplement with Glass of Water

Product Review

Vitamin D Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin K)

Find the Best Vitamin D Supplement with the Right Dose

CL Answer

Just one dose of a horse chestnut extract (standardized to 20% aescin) caused me to have significant nausea and vomiting. Might there be a problem with the product?

Find out if horse chestnut side effects can include gastrointestinal discomfort such as nausea and vomiting.

Man Clenching Stomach

CL Answer

Does Arthrozene help with joint pain, and is it safe?

Arthrozene by Fisico is promoted for joint stiffness, soreness and discomfort. Find out if it is likely to help and if it is worth the cost.

Container of Arthrozene supplements

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!

Joint Health Supplements for Pets

CL Answer

I am 70 a year male in relatively good health. I plan on walking the Camino in France (500 miles). I am looking for a multivitamin that would best supply me with my needs during this walk/hike. What would be the best product or combination of products to use?

Find out if older adults who walk or hike should take a multivitamin, vitamin C, vitamin D, or other supplements, like electrolytes, when hiking. Plus, see our advice for choosing a good sunscreen.

Hiking 8

CL Answer

Does CoQ10 reduce wrinkles, increase skin elasticity, or tighten the skin? Are there any other supplements that can help?

Learn about CoQ10 and other supplements, such as collagen and cocoa, for reducing wrinkles and improve aging skin.

Elderly Woman Smiling Looking in Mirror

CL Answer

What are omega-7 fatty acids? Do I need to take these if I already take fish oil?

Learn what omega-7 fatty acids are and if you need to also take them while taking fish oil. See the varying amounts of omega-7 fatty acids in fish and krill oil supplements.

Fish Oil

CL Answer

Does silica have health benefits? What is BioSil, and can it really increase collagen production and strengthen hair, skin, nails and bones?

Information about the health effects of silica (silicon dioxide) and orthosilicic acid (an ingredient in BioSil), including whether these forms of silicon can really increase collagen production, thicken hair, strengthen nails & bones.

Does BioSil Strengthen Hair, Skin and Nails? -- Bottle of BioSil

CL Answer

Is echium oil a good alternative to fish oil? I am allergic to fish.

Echium oil as an alternative to fish oil. Learn more for those with fish allergies, including information on omega-3 fatty acids.

Fish Oil Tablets and Liquid on White Background

CL Answer

What is Omega XL and does it work?

What is Omega XL (distributed by Great Health Works) and does it work? Described as a "highly concentrated Omega-3 'Super Oil' supplement".

Omega XL - Great Health Works

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.

Is canola oil good or bad? -- bottle of canola oil

CL Answer

Can castor oil eye drops improve or dissolve cataracts? Is castor oil or tea tree oil helpful for other eye conditions such as blepharitis or dry eye?

Can castor oil eye drops help cataracts or for other conditions such as blepharitis? Find out if castor oil eye drops are safe to use, and if they help for other conditions. ConsumerLab.com's answer explains.

Castor Oil for Cataracts? -- bottle of castor oil and dropper

CL Answer

What is hydrogen water? Is it beneficial for alertness, athletic performance, arthritis or other conditions, and is it safe?

Find out if hydrogen water has benefits with regard to alertness, side effects of radiotherapy in cancer patients, metabolic syndrome, athletic performance, rheumatoid arthritis, liver disease, and other conditions, and learn if it is safe to use.

Portable hydrogen water generator

Product Review

Digestive Enzyme Supplements Review

Big Differences in Strength Found Among Digestive Enzyme Supplements. CL Tests Reveal Which Are Best.

CL Answer

Does tea tree oil work for getting rid of athlete's foot?

Learn more about tea tree oil and its effects on foot fungus (known as athlete’s foot, tinea pedis, or “ringworm” due to the lesion that can occur) and how it can be as effective as some, but not all, over-the-counter antifungal treatments. ConsumerLab explains.

Tea Tree Oil for Athlete's Foot? -- Bottle of Tea Tree Oil

CL Answer

I use beta-sitosterol for my prostate. Should it be taken with or without food?

How should you take the prostate supplement beta-sitosterol to maximize absorption? Learn more at ConsumerLab.com.

How to Take Beta-Sitosterol -- man holding beta-sitosterol capsules

CL Answer

What are the health benefits of palmitoylethanolamide (PEA), and is it safe?

Palmitoylethanolamide (PEA) is commonly promoted for its anti-inflammatory and pain-relieving effects. Find out if it works.

Woman holding her wrist due to joint pain

CL Answer

Is it better to eat farmed salmon or wild salmon? Which one has more omega-3s and less contamination with PCBs, mercury, etc.?

Learn more about wild caught vs. farm raised salmon, including omega-3 content and contamination with PCBs, mercury, and other toxins.

Wild Caught vs. Farm Raised Salmon -- salmon on a dinner plate with fork and knife

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.

Holy Basil for Diabetes, Anxiety and Stress? -- Holy basil leaf and pills

CL Answer

Are there vitamins or supplements that can reduce my risk of breast cancer? Do any increase cancer risk?

Find out if certain vitamins, supplements and foods such as fish oil, olive oil, vitamin C and others, can help reduce the risk of breast cancer. ConsumerLab.com's answer explains.

Supplements & Breast Cancer Risk -- doctor holding pink breast cancer awareness ribbon

CL Answer

Can fisetin, also called Cognisetin and Novusetin, really improve memory?

Fisetin (Cognisetin and Novusetin) information, including evidence from clinical studies on memory improvement, brain health, dosage, and pricing.

Fisetin Supplements on Wooden Plate with Strawberries

Product Review

PQQ (Pyrroloquinoline Quinone) Supplements Review

Learn What PQQ Does and Which PQQ Supplements are Best

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.

What is Tudca - white capsules poured out of container

Clinical Update

6/08/2021

GLA for Inflammation?

Can taking GLA (gamma-linolenic acid) supplements help reduce inflammation? Find out in our answer to the question: Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?

CL Answer

Do any supplements help treat or reduce the pain of plantar fasciitis (heel pain)?

Plantar fasciitis causing heel pain has, in rare cases, been reported as a symptom of vitamin D deficiency. Other supplements that have been proposed to help include vitamin C, zinc, curcumin (from turmeric), bromelain, collagen and glucosamine. Find out what the evidence shows, and what other treatments may help.

Supplements for Plantar Fasciitis -- Woman With Heel Pain

CL Answer

Are gummy vitamins better or worse than pills?

Learn more about gummy supplements, including those for multivitamins, vitamins C and D, calcium, and B vitamins.

Problems With Gummy Vitamins -- bottle of gummy vitamins

CL Answer

Is it better for a fish oil (or krill oil) supplement to have more DHA than EPA?

Information on EPA and DHA in fish and krill oil supplements, including improving cognition, depression, anxiety, acne, and more.

DHA and EPA Levels in Fish Oil -- close-up of fish oil capsules

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

I do moderate exercise for about an hour a few times a week. Which supplements might help me, and which should I consider avoiding?

Info on what supplements are best for work out & exercise regimens, including electrolytes, protein, creatine, and BCAAs.

Supplements for Moderate Exercise

CL Answer

I'm a vegan but my doctor wants me to take fish oil with EPA and DHA. Is there something I can take that would be as good as fish oil capsules but would satisfy the needs of a vegan?

Find out which vegan-friendly fatty acid supplements contain EPA and DHA and how they compare to fish oil.

Vegan Friendly EPA and DHA Supplements -- Fish Oil Pills

CL Answer

Does urolithin A reduce age-related muscle decline or improve osteoarthritis?

Find out if urolithin A may improve age-related muscle decline and learn about its safety.

Older couple walking together to exercise

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.

Review of Supplements for Joint Pain

Clinical Update

1/22/2012

Vitamin D and Inflammation

A new study found that raising low levels of vitamin D appears to reduce inflammation in the body (based on measurements of C-reactive protein, or CRP, a marker of inflammation). However, once vitamin D levels reached what some people consider to be barely sufficient, CRP slowly but progressively increased, suggesting an inflammatory action of vitamin D at higher levels. The study raises the question of what is the ideal level of vitamin D in the body. 

Be sure you have the latest information! See the update to the Vitamin D Supplements Review, which includes details on this and other vitamin D studies, as well as our latest product tests.

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.

Overweight man holding his right side near his liver

Clinical Update

3/06/2015

Green Lipped Mussel Oil Reduces Pain and Inflammation After Exercise

Green-lipped mussel oil (a source of omega-3 fatty acids EPA and DHA) significantly reduced pain and inflammation days after exercise in young healthy men, compared to a placebo, according to a new study. For details, and ConsumerLab.com tests of the product used in the study, see the Fish Oil and Omega-3 Fatty Acid Supplements Review >> 

Clinical Update

8/02/2015

Vitamin D and Inflammation

A new study of elderly people given vitamin D showed little effect on markers of inflammation in the body. Correcting very low levels of vitamin D may be helpful, but further raising vitamin levels does not seem necessary for proper immune function. In fact, there may be some downside. For details about this and other uses for vitamin D (and our product test results), see the Vitamin D Supplements Review >>

Clinical Update

3/15/2017

Anti-Inflammatory Effect of Juice Plus+?

Chronic systemic inflammation is a risk factor for cardiovascular disease, diabetes, and cancer. A recent clinical trial assessed the product Juice Plus+ for its ability to reduce this inflammation in obese men and women. The abstract of the published study indicates that it works, but the results tell a different story. For details, see the "What It Does" section of the Greens and Whole Foods Powders, Pills, and Drinks Review (which includes our tests of products) >>

Clinical Update

7/16/2014

DHA for Periodontitis (Inflammation Around Teeth)

A new study found that giving DHA (from algal oil) along with low-dose aspirin led to greater reductions in local inflammation and pocketing around teeth than aspirin plus placebo. For more about the study, including dosage, and our tests and comparisons of algal oil supplements, see the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >> 

Clinical Update

10/05/2021

Silica for Dental Implant Inflammation?

Can a form of silica typically promoted for hair, skin, nail and bone health also help reduce inflammation and bone loss around dental implants? See what a recent study found in our updated article about Silica Supplements.

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.

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.

Greens Review Oct 2023

CL Answer

Which ingredients should toothpastes and other dental products contain, and which should be avoided?

Learn about ingredients you want in your toothpaste, mouthwash and other dental products and which ingredients you may want to avoid.

Toothpaste in the shape of question mark coming out from toothpaste tube

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.

Older woman getting an injection

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.

Container of natural appetite suppressant supplement with measuring tape and scale in background

CL Answer

Do sea moss and carrageenan have health benefits? Are there risks?

Sea moss is promoted for thyroid health, boosting immunity, improving gut health, and other uses. Find out if it works and learn about possible side effects of sea moss and its constituent, carrageenan.

Sea moss in a clear bowl next to a wooden spoon on the countertop

Product Review

Potassium Iodide (KI) and Iodate (KIO3) Radioprotective Pills Review

Learn How to Choose the Best Radioprotective Iodine Pill and Use It Properly

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.

Supplements to stop before surgery - operating room

CL Answer

Is it possible to get too much vitamin D?

Too much vitamin D can lead to adverse effects, including hypercalcemia (excess calcium in the blood).

Too Much Vitamin D? -- bottle of vitamin D and vitamin D tablets in the shape of the letter D

CL Answer

Bee pollen: Purported health benefits and possible side effects

Bee pollen is promoted for numerous health conditions, including supporting immune health and boosting energy. Find out if it works and if it's safe.

A wooden spoon holding bee pollen granules over a table

Clinical Update

2/13/2018

Fish Oil for Ulcerative Colitis

A special formulation of high-dose fish oil was found to help people with ulcerative colitis remain in remission in a placebo-controlled study. It also reduced levels of a key marker of inflammation. For details, see the Arthritis and Other Inflammatory Diseases section of the Fish Oil Supplements Review.

Clinical Update

1/19/2019

Is Omega-6 a Problem?

Do omega-6 fatty acids like LA and GLA, found in many seed oils, promote inflammation in the body? No, and yes, according to the latest findings. Get the details in the Is Omega-6 a Problem? section of our Omega-3 and -6 Fatty Acid Supplements Review.

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

9/06/2017

Turmeric for Arthritis?

Curcumin (from turmeric) has shown promise in reducing the pain and inflammation of rheumatoid arthritis in several small studies, including one that was recently published. However, larger studies are needed to prove this benefit. Details are found in the "What It Does" section of the Turmeric and Curcumin Supplements Review (which includes our Top Picks among products).

Clinical Update

12/19/2017

Probiotic for Dermatitis

Atopic dermatitis is a recurrent, itchy inflammation of the skin. Taking a daily probiotic mixture was found to significantly reduce symptoms and the need for topical steroids in children with atopic dermatitis. Details are in the "What It Does" section of the Probiotic Supplements Review >>

Clinical Update

12/22/2018

Curcumin for Muscle Soreness

Does curcumin reduce muscle inflammation or soreness from intense exercise? Find out what recent studies have shown in the Muscle Soreness and Recovery After Exercise section of the Turmeric and Curcumin Supplements & Spices Review. (Also see our Top Picks among products.)

Clinical Update

5/05/2020

CBD for Osteoarthritis Pain

A recent study, conducted in dogs, showed promise for CBD in reducing pain and inflammation due to osteoarthritis (pain due to worn joints). See the details in the What It Does section of the CBD and Hemp Extracts Review. Also see our Top Picks for CBD for people and for pets.

Clinical Update

5/30/2020

Cranberry for Cystitis in Men?

Cystitis (inflammation of the bladder) is common in men undergoing radiation therapy for prostate cancer. A study evaluated whether a cranberry supplement could reduce the incidence of cystitis in these men. Find out if it helped in our updated answer to the question: Are cranberry supplements helpful for men? Can they help with symptoms of prostatitis or urinary tract infections?

Clinical Update

7/28/2020

Fish Oil for Arthritis?

Fish oil has shown modest benefits in rheumatoid arthritis, but can it help with osteoarthritis -- inflammation due to worn joints? Find out what a recently published study showed in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.

Clinical Update

9/02/2015

CLA Linked to Acute Hepatitis

CLA supplements are popular for slimming, but a recent report of acute hepatitis (liver inflammation) associated with use of CLA is concerning. Get the details, plus more about evidence, safety, and our tests of popular products in the CLA Supplements Review >>

Clinical Update

11/29/2015

Melatonin for Itchy Skin

Atopic dermatitis is an itchy inflammation of the skin, affecting up to 10% of adults and 30% of children. A recent study in children and adolescents with atopic dermatitis found that taking melatonin modestly reduced symptoms and, not surprisingly, reduced the time needed to fall asleep. For details about this and other uses of melatonin, as well our reviews of available melatonin supplements (including several similar to the one studied), see the Melatonin Supplements Review >>

Clinical Update

7/05/2016

Folic Acid Supplementation Mitigates Alzheimer's

A recent study in people with Alzheimer's disease found that folic acid supplementation decreased inflammation and slightly improved mental functioning. However, participants began the study unusually low in folic acid relative to normal U.S. levels. For more details see the B Vitamin Supplements Review >> Also see results of a folate/B-12 study which showed reduced brain shrinkage in Alzheimer's patients.

Clinical Update

12/17/2016

Ashwagandha for Knee Osteoarthritis

A new study in which people with mild knee osteoarthritis were given ashwagandha supplements daily showed significant improvements in pain and inflammation. For more details about this and other studies with ashwagandha, as well as our reviews of products, see the "What It Does" section of the Ashwagandha Supplements Review >>

Clinical Update

9/16/2012

Vitamin D Speeds Recovery from Tuberculosis

A study in London found that adding vitamin D to standard antibiotic treatment for tuberculosis significantly reduced inflammation and speeded recovery. The majority of these patients, however, had been extremely deficient in vitamin D. Get the details in the updated Vitamin D Supplements ReviewMore >>

Clinical Update

11/17/2013

Probiotics for Oral Health?

For people with periodontitis (inflammation around the teeth), a new study showed a probiotic lozenge resulted in additional improvement over standard dental scaling and chlorhexidine rinse. Get the details, as well as our tests of probiotics, in the updated Probiotic Supplements Review>>

Clinical Update

4/27/2019

Probiotic for Diverticulitis

Giving a specific probiotic to people hospitalized for acute diverticulitis was found to reduce pain, inflammation, and the duration of their hospital stays. Get the details in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.

Clinical Update

1/18/2014

Vitamin D Helps Fibromyalgia

Fibromyalgia is an inflammation of the muscle and soft tissue which causes pain and fatigue. A recent study found that giving vitamin D reduced the pain associated with fibromyalgia. For details about the dose and target vitamin D blood level in the study, as well as our tests of vitamin D supplements, see the updated  Vitamin D Supplements Review >>   

Clinical Update

7/24/2021

Cranberry for H. pylori Infection?

Can cranberry juice help treat H. pylori infection – a cause of stomach inflammation and ulcers? See what a new study found in the What It Does section of our Cranberry Juices and Supplements Review. Also see our Top Picks among cranberry juices and supplements.

Clinical Update

8/21/2021

Omega-7s for Muscle Pain?

Can supplementation with omega-7 fatty acids (from fish oil) reduce muscle pain or inflammation in the body? See what a new study found, and learn if omega-7s have other benefits in the omega-7 section of our Fish Oil Supplements Review. Also see how much omega-7 we found in popular fish oil products.

Clinical Update

12/16/2020

High-Dose Fish Oil for COVID?

A two-week course of high-dose, high-concentration fish oil was reported to reduce inflammation and symptoms in COVID patients in a preliminary study. See the details in the What It Does section of the Fish Oil Supplements Review. Also, see our Top Picks for fish oil supplements.

Clinical Update

10/17/2023

Citrus Pectin for Knee Pain?

Can modified citrus pectin (MPC) reduce inflammation or pain in people with knee osteoarthritis? Find out what a clinical study showed in our article about supplements for arthritis.

Also see the evidence for other ingredients promoted for osteoarthritis and our Top Pick supplements for joints in our Joint Health Supplements Review.

Clinical Update

9/19/2023

Vitamin D for Gingivitis?

A recent study showed that taking vitamin D reduced gum inflammation. Get the details in the Periodontal disease section of our Vitamin D Supplements Review. Also see our Top Picks for vitamin D.

Clinical Update

10/28/2022

Does Collagen Reduce Gum Inflammation?

Learn if taking a daily collagen supplement after dental cleaning reduced subsequent swelling and bleeding of the gums in the Healing of skin and tendon injuries section of our Collagen Supplements Review.

See our separate article about the best toothpaste and mouthwash for reducing bleeding gums.

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.

Psyllium

Product Review

B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)

See Which B Vitamins Are ConsumerLab's Top Picks!

Review of B Vitamin Supplements

Product Review

Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)

Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.

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.

Review of resveratrol supplements tested by ConsumerLab.com, including ratings and comparisons of product quality, price, and ingredients.

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.

Supplements for Coronavirus (COVID-19)? -- mask and pills

Product Review

Collagen Supplements Review

See our Top Picks for Wrinkles and Joints

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.

Supplements for Seasonal Allergies -- Woman Outside Sneezing

CL Answer

Do arnica pills, gels, creams, or sprays reduce bruising, pain, or swelling?

Find out if arnica pills, gels, creams, or sprays can reduce bruising, pain, or swelling, help with varicose veins, or muscle pain after exercise.

Arnica Gel and Cream for Bruises and Pain -- tube of arnica cream

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.

Health Benefits of Manuka Honey -- jar of manuka honey

CL Answer

Do any supplements or foods benefit people with Crohn's disease? Are there any supplements that should be avoided?

Find out the most common vitamin and mineral deficiencies in people with Crohn's disease, including iron, B6, B12, vitamin D, zinc and others, plus evidence for N-acetyl-glucosamine (NAG), fish oil, and curcumin.

Supplements for Crohn's Disease -- Crohn's Disease Written on Notepad, Pills

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

Woman with gout pain rubbing her foot near the big toe

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.

Butyrate Supplements

CL Answer

COVID-19 Vaccines for 2023-2024: What You Should Know

Learn how the updated COVID-19 vaccines for 2023-2024 (Moderna, Novavax, and Pfizer-BioNTech) differ from each other, who should get them, what the recommended dosing schedules are, and possible side effects.

Older man in gray t-shirt getting vaccinated for COVID-19

Product Review

CoQ10 and Ubiquinol Supplements Review

Find the Best CoQ10 and Ubiquinol Supplements and Learn What They Do

CoQ10 and Ubiquinol Supplements Reviewed by ConsumerLab.com

CL Answer

What are the health benefits of luteolin, and is it safe?

Find out if luteolin, a compound found in many fruits and vegetables, is beneficial for cancer, heart health, skin aging, age-related cognitive decline, and other conditions, and learn if it's safe.

Luteolin containing vegetables including celery peppers lettuce and spinach

CL Answer

Do plasmalogen supplements improve cognitive function and memory?

Plasmalogen supplements claim to improve cognitive function, support memory, and reduce brain fog. Find out if they work.

Hands holding puzzle in shape of head with puzzle pieces missing

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.

A glass of orange juice sitting on a table and surrounded by sliced and whole oranges

CL Answer

I recently read that turmeric is only effective if it is combined with black pepper. Is this true?

Find out the best way to take turmeric and curcumin supplements to increase absorption and bioavailability. ConsumerLab.com's answer explains.

Is Turmeric Only Effective with Black Pepper? -- Turmeric Supplement and Black Pepper

CL Answer

What is Protandim and does it really work?

What is Protandim and does it really work? Can Protandim reduce oxidative stress? ConsumerLab's answers discusses Protandim's effectiveness, reviews and studies.

Does Protandim Work? -- Bottle of Protandim

CL Answer

How do I choose the best CoQ10 supplement?

Looking to choose the best CoQ10 brand supplement? Understand which CoQ10 you are buying, differences in dose, absorption, quality and more. ConsumerLab explores this topic.

Pill Bottle Q10 Spelled Out with Supplements

CL Answer

Is it true that drinking a small amount of hydrogen peroxide (H2O2) with water can kill bacteria in the urinary tract or help in other ways? Is this safe -- or is it dangerous?

Drinking or eating hydrogen peroxide (H2O2) can be dangerous and is not advised. Learn more treatments for urinary tract infections.

CL Answer

Is it true that taking turmeric/curcumin with food can reduce iron absorption from food?

Learn more about how to take turmeric/curcumin and if they limit iron absorption from food.

Turmeric and Iron Absorption

CL Answer

What is EpiCor? Does it really "boost" the immune system and prevent colds?

EpiCor supplement info, including evidence from clinical studies on immune function and cold/flu prevention, safety, and price.

Woman with Cold Holding Pill Bottle

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.

Vitamin B3 Blister Packs

Product Review

SAMe (S-adenosyl-methionine) Supplements Review

Choose the Best SAMe Supplement. CL Tests Reveal Big Differences in Quality and Cost.

Sam-e supplements reviewed by ConsumerLab.com

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.

L-Tryptophan and 5-HTP (5-Hydroxy-L-tryptophan) Supplements Reviewed By Consumerlab.com

Product Review

Melatonin Supplements Review

Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.

Melatonin Review 2024

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.

Supplements for Memory -- doctor holding a model of a brain and fish oil capsule

Product Review

Prebiotic Supplements Review

You Can't Tell How Much Fiber Is Really In Most Prebiotics Without Testing

Prebiotics 2024 Expanded Review

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.

Flaxseed Oil, Evening Primrose Oil, Borage Oil, Hemp Oil and Black Currant Oil Supplements Reviewed by ConsumerLab.com

Product Review

Seaweed Snacks and Foods Review

Tests Reveal Seaweed Snack Risks

Product Review

Vitamin E Supplements Review

Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.

Vitamin E Supplements, Cream, and Oil Tested by ConsumerLab.com

Product Review

Extra Virgin Olive Oil Review

Many Extra Virgin Olive Oils Don't Seem to Make the Grade

Product Review

Lavender and Tea Tree Essential Oils Review

Oils Tested for Authenticity and Purity

CL Answer

10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)

Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.

A toilet in an empty bathroom at night

News Release

October 24, 2023

Best Fish Oil and Omega-3 Supplements? ConsumerLab Tests Reveal Some Are Rancid

White Plains, New York, October 24, 2023 —  Recent ConsumerLab tests of popular fish, krill, and algal oil supplements revealed several products to be rancid. Fish and marine oils that are rancid, or “oxidized,” can have an extremely unpleasant odor and taste, and may be less safe and effective.

CL Answer

How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.

What is the difference between turmeric spices used in the kitchen and turmeric supplements? Is sprinkling turmeric on my food equivalent to taking a turmeric supplement? ConsumerLab's answer explores this question.

Turmeric Spice vs. Turmeric Supplements

CL Answer

Can supplements, natural eye drops, or lifestyle modifications improve symptoms of dry eye?

Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit. Also, learn if drinking more water or using eye drops containing castor oil, N-acetylcarnosine or aloe can help with dry eye.

Older man with dry eye rubbing his eyes while holding his glasses

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.

Andrographis

CL Answer

Does ergothioneine help prevent age-related problems such as impaired cognition, Alzheimer’s disease, Parkinson’s disease or cataract, and is it safe?

Learn about ergothioneine and its potential use for cognitive impairment, dementia, Alzheimer's disease, Parkinson's disease, cataract, or kidney disease, as well as its safety and cost of supplements containing this ingredient.

Various types of mushrooms that contain ergothioneine in a wooden bowl on a wooden countertop

CL Answer

What are the health benefits of zinc carnosine, also called polaprezinc, and is it safe?

Find out if zinc carnosine is beneficial for any GI conditions, including stomach ulcers, Helicobacter pylori infection, taste disturbances, aspirin-induced small-bowel injury and oral mucositis, and learn if it is safe.

Zinc carnosine supplements in wooden spoon in front of oysters

CL Answer

Are cranberry supplements helpful for men? Can they help with symptoms of an enlarged prostate, prostatitis, or urinary tract infections?

Learn more about how cranberry pills, cranberries, cranberry juice and supplements can help prevent urinary tract infections.

Cranberry Supplements for Men? -- Bottle of cranberry capsules

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.

Adrenal Fatigue and Adrenal Support Supplements -- Tired Woman Falling Asleep at Her Desk

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.

Staying Healthy During the Coronavirus Pandemic -- Couple at Home, Looking Out the Window

Product Review

Kelp Supplements Review

Choose the Best Kelp Supplement. Be Cautious With Kelp! Only 50% of Supplements Pass CL's Review.

Kelp Supplements Reviewed by ConsumerLab.com

Product Review

NAC (N-Acetyl Cysteine) Supplements Review

Choose the Best N-Acetyl Cysteine Supplement. See Our Tests of Popular NAC Supplements and Top Picks for Quality and Value.

N-acetyl cysteine (NAC) supplements tested by ConsumerLab.com

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.

Holy Basil Supplements Reviewed by ConsumerLab.com

Product Review

Astaxanthin Supplements Review

See Which Astaxanthin Products Passed or Failed CL's Tests

Astaxanthin supplements reviewed by ConsumerLab.com

Recalls & Warnings

April 17, 2020

Seller of Vitamin D, MSM, Selenium & More Warned for Drug Claims

On March 31, 2020, the FDA issued a warning letter to KetoKerri LLC following a review of the company's website, which found statements made about some of the company's products, including Dr.

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

June 14, 2022

Best B Complexes, B12, and Other B Vitamin Supplements Revealed by ConsumerLab Tests: Beware of High Doses

  White Plains, New York, June 14, 2022 — Recent ConsumerLab tests of over 30 popular vitamin B complexes and supplements revealed that four products contained either much less, or much more, of at least one B vitamin listed on the label.

CL Answer

Can cranberry juice or cranberry supplements help prevent urinary tract infections or improve overactive bladder?

Learn more about how cranberries, juice, and supplements can help prevent urinary tract infections, including safety.

Cranberry Juice for UTIs? -- cranberries and a glass of cranberry juice

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.

Statin Interactions With Supplements -- close-up of statin medication box and tablets

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

Health Benefits of Olive Oil -- Pouring Olive Oil Into a Bowl

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.

Supplements for Colds: Zinc, Echinacea & More -- Couple with cold, sitting on couch blowing their noses

CL Answer

I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true?

Does soaking dried beans in water help reduce phytate levels to help gain greater access to nutrients?

Soaking Beans to Remove Phytates -- white beans soaking in a bowl of water

CL Answer

Do any supplements help prevent or reduce eye floaters?

Find out eye floaters (vitreous floaters) be treated with supplements like vitamin C, lutein, ginkgo, milk thistle, collagen or hyaluronic acid, or with products such as VitreousHealth.

How to Reduce Eye Floaters With Vitamins & Supplements -- Close-up of an eye

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.

Supplements for PCOS

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.

Recalls & Warnings

July 10, 2021

FDA Warns Seller of Omega XL

On June 31, 2021 the FDA issued a warning letter to Great Healthworks, Inc. following a review of the company's website, which found statements made about Omega XL and ProbioticXL supplements to be drug claims.

Recalls & Warnings

May 18, 2023

EarthLab, Inc. Warned for Promoting Green Tea, Curcumin, Elderberry & More to Treat Stroke, Cancer & Flu

On April 27, 2023, the FDA issued a warning letter to EarthLab, Inc., dba Wise Woman Herbals, following inspection of the company’s website which found statements about the company’s Green Tea Solid Extract, Curcuma Spp.

Product Review

Protein Powders, Shakes, and Meal Replacements Review

Find Out Which Protein Products Passed or Failed Our Tests

Product Review

Berberine and Goldenseal Supplements Review

Tests Reveal the Best and Worst Berberine and Goldenseal Products

Product Review

Cranberry Juices and Supplements Review

CL's Tests Show Which Cranberry Juices and Supplements Are Best and Cost the Least

Product Review

Vitamin A Supplements Review, Including Beta-Carotene and Cod Liver Oil

Find the Best Vitamin A Supplement. Best Quality Vitamin A Supplements Identified, Including Cod Liver Oil.

Vitamin A Supplements (Including Cod Liver Oil) Reviewed by ConsumerLab.com

Product Review

Echinacea Supplements Review

Many Echinacea Supplements Fail CL's Tests. Make Sure You Know What You're Getting!

Echinacea supplements reviewed by ConsumerLab.com

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.

Stevia Health Benefits & Safety -- stevia leaf spoonful of stevia

Recalls & Warnings

November 09, 2023

Zazzee Naturals Warned for MSM Eye Drop Claims

On October 30, 2023, the FDA issued a Warning Letter to Dexterity Health, LLC DBA Zazzee Naturals following review of the company’s Amazon storefront, which found statements about the company’s Liquid MSM Drops to be drug claims.

Recalls & Warnings

May 04, 2023

FDA Warns MedoLife for Promoting Homeopathic Products to Treat COVID-19, Cancer

On April 19, 2023, the FDA issued a warning letter to Medolife Rx D/B/A MedoLife Corp., AELIA Inc. and Queanta Inc.

Recalls & Warnings

August 14, 2023

Liver Injury Linked to "Immune Booster" Supplement Sold on Amazon

A 27-year-old woman in Pennsylvania was admitted to intensive care for drug-induced liver injury after taking Prodigy Life HRP-AID, a supplement sold on Amazon and promoted as an "immune system booster" to reduce the intensity and frequency of cold sore outbreaks, according to a ...

Recalls & Warnings

June 05, 2020

Seller of CBD, Sleep Aids, and Cold & Flu Products Warned for Manufacturing Violations

On April 28, 2020, the FDA issued a warning letter to The Dragontree Apothecary LLC, which found the company's Sleep Support, Anxiety Relief, Cold & Flu Relief, and Inflammation Relief to be adulterated because they were prepared, packed, or held under conditions that ...

Recalls & Warnings

November 10, 2020

FDA Warns Seller of Digestive Enzymes, Nattokinase, and More

On October 27, 2020, the FDA issued a warning letter to World Nutrition, Inc.

CL Answer

Does Prevagen really improve memory?

Learn more about Prevagen, including clinical studies on Prevagen's impact on memory & cognition, safety, pricing, and an FDA warning letter. ConsumerLab explores the efficacy of Prevagen.

Prevagen for Memory? -- bottle of Prevagen

CL Answer

Is ingesting colloidal silver helpful for any condition and is it safe to use?

Find out if there is evidence showing colloidal silver can help to treat infections, boost the immune system, help with arthritis and more, plus find out if colloidal silver can cause blue skin or other side effects.

Benefits and Risks of Colloidal Silver? -- dropper bottle of colloidal silver

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.

Pycnogenol Health Benefits -- woman with leg pain

CL Answer

7 Tips to Avoid Getting a Pill Stuck in Your Throat

Some pills can be difficult to swallow and can even become lodged in the throat or cause damage to the esophagus. Learn seven practical tips to help avoid getting pills stuck in the throat.

Pill Getting Stuck in Throat

Recalls & Warnings

January 26, 2023

Allergy Bee Nasal Swabs Contaminated With Illness-Causing Bacteria

On January 18, 2023, the FDA issued a warning letter to Buzzagogo, LLC, after the company’s Allergy Bee Gone for Kids nasal swab products were found to be contaminated with bacteria that have the potential to cause life-threatening illness.

Recalls & Warnings

June 16, 2022

Omega 3 Supplements Recalled Due to Undeclared Drug Ingredients

On May 28, 2022, Latin Foods Market issued a voluntary recall of one lot of Artri King Reforzado con Ortiga y Omega 3 tablets after FDA laboratory analysis found the presence of undeclared diclofenac and dexamethasone.

Recalls & Warnings

November 03, 2022

Seller of CBD Warned for COVID-19 Claims

On November 1, 2022, the FDA issued a warning letter to Alternative Health Distribution LLC (d/b/a CannaAid) following a review of the company’s website, which found statements about the company’s cannabidiol (CBD) products to be drug claims.

Recalls & Warnings

December 29, 2022

EarthLab, Inc. Warned for Promoting Curcumin, Elderberry to Treat Pain & Flu

On November 10, 2022, the FDA issued a warning letter to EarthLab, Inc., dba Wise Woman Herbals following inspection of the company’s website which found statements about the company’s products to be drug claims because they suggest the products can prevent or treat disease.

Recalls & Warnings

January 12, 2023

FDA Warns Two Sellers Promoting CBD to Treat COVID-19

On January 10, 2023, the FDA issued warning letters to two companies following a review that found statements made on the companies’ websites to be drug claims because they promoted the cannabidiol (CBD) products to prevent or treat COVID-19.

News Release

July 23, 2021

Best Astaxanthin Supplements Identified In Testing by ConsumerLab

White Plains, New York, July 23, 2021 —Astaxanthin supplements are promoted for a wide range of uses, such as increasing physical endurance, reducing inflammation and wrinkles, protecting from sunburn, and lowering triglyceride levels.

Recalls & Warnings

November 29, 2023

Dr. Berne’s Whole Health Products Warned for Contaminated Eye Drop Products, Drug Claims

On November 22, 2023, the FDA issued a Warning Letter to Dr. Berne’s Whole Health Products following review of the company’s website, which found statements about the company’s Dr. Berne’s MSM Eye Drops 5%, Dr. Berne’s MSM Eye Drops 15%, and Dr.

Recalls & Warnings

February 22, 2024

Herbalife Shake & Protein Drink Mix, Aloe, Linked With Case of Liver Injury

A 13-year-old boy in Texas developed liver failure and hepatitis-associated aplastic anemia after consuming two Herbalife products and an aloe vera beverage over a period of months, according to a report published on February 12, 2024 in the Journal of Pediatric Gastroenterology and ...

Recalls & Warnings

December 29, 2020

FDA Warns Five Sellers of CBD for Claims of Treating Arthritis, Alzheimer's and More

On December 22, 2020, the FDA issued warning letters to five sellers of CBD following reviews of the companies' websites, which found statements made about the companies' products to be drug claims.

CL Answer

Do hair loss supplements, such as Viviscal, Hair La Vie, and Nutrafol, or topical essential oils work?

Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.

Supplements for Hair Loss -- woman looking at hairbrush

Recalls & Warnings

April 02, 2021

Seller of Vision Supplements Warned by FDA

On March 19, 2021, the FDA issued a warning letter to Lipotriad LLC following a review of the company's websites, which found statements made about the company's products Lipotriad Visionary, Lipotriad Adult 50+, Lipotriad Dry Eye, and Lipotriad Vision Support Plus to ...

Recalls & Warnings

January 13, 2022

Senna Laxative Recalled Due to Microbial Contamination

On January 11, 2022, Lohxa LLC issued a voluntary recall of one lot of Senna Syrup 8.

Recalls & Warnings

December 01, 2021

FDA Warns Seller of Saffron Supplements

On November 18th, 2021, the FDA issued a warning letter to Saffron Health Sciences following a review of the company's website, social media, and Amazon product listings, which found statements made about the company's products Crocin Rich, Crocin Rich II, and Crocin Rich ...

Recalls & Warnings

September 28, 2022

FDA Warns Muscle Sports for Joint Health, Immune & Workout Supplement, Vitamin C, Elderberry, and Other Claims

On September 23, 2022, the FDA issued a warning letter to Muscle Sports Products, LLC following inspection of the company’s websites which found statements about company products, including Join Revolution Capsules, IMMUNITY + Powder, Rhino Rampage PUMPED Capsules, Attack Pre-Workout ...

Recalls & Warnings

August 20, 2019

Seller of Liposomal Curcumin, Vitamin C & Melatonin Warned for Manufacturing Violations

On August 6, 2019, the FDA issued a warning letter to Let's Talk Health, Inc.

News Release

January 16, 2021

Best Resveratrol Products Revealed in ConsumerLab Review

White Plains, New York, January 16, 2021 — Resveratrol supplements are promoted for a wide range of uses, including lowering cholesterol and improving cardiovascular health, improving memory, reducing inflammation and slowing age-related macular degeneration.

News Release

September 27, 2019

Best Turmeric and Curcumin Supplements and Spices Identified by ConsumerLab

White Plains, New York, September 27, 2019 — Turmeric and curcumin (the major compound in turmeric) are among the most popular supplements, promoted to reduce inflammation and help with conditions such as arthritis as well as indigestion and depression.

News Release

May 15, 2019

ConsumerLab Tests Reveal Big Differences in Digestive Enzyme Supplements

White Plains, New York, May 15, 2019 — Digestive enzyme supplements can help improve digestion and the absorption of nutrients, and may reduce symptoms of indigestion. But to work, they must provide a certain amount of enzyme activity.

Recalls & Warnings

January 04, 2024

Lone Star Botanicals Warned by FDA for Manufacturing Violations

On November 26, 2023, the FDA issued a Warning Letter to Lone Star Botanicals, Inc.

News Release

November 19, 2018

Tests Reveal Best Fish Oil Supplements and How They Compare to Prescription Fish Oil

White Plains, New York, November 19, 2018 — Fish and marine oil supplements containing the omega-3 fatty acids EPA and DHA offer a range of potential benefits for improving mental health, reducing inflammation, and even cancer prevention.

Recalls & Warnings

December 15, 2020

FDA Warns Seller of Evening Primrose Oil and Beta Glucan

On December 2, 2020, the FDA issued a warning letter to Smoky Mountain Naturals, LLC following a review of the company's website, which found statements made about the company's products Evening Primrose Oil and Beta Glucan to be drug claims.

Recalls & Warnings

November 10, 2020

FDA Warns Immusist for Drug Claims

On October 16, 2020, the FDA issued a warning letter to Immusist, LLC following a review of the company's website, which found statements made about the company's products IMMUSIST Original and IMMUSIST Natural to be drug claims.

Recalls & Warnings

June 23, 2020

Seller of CBD Tinctures and "Immune Boost Packs" Warned for Coronavirus Claims

On June 18, 2020, the FDA issued a warning letter to Project 1600 Inc. for selling CBD products with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

February 02, 2021

FDA Warns Seller of Reishi Mushroom Supplements

On January 6, 2021, the FDA issued a warning letter to Entia Biosciences, Inc following a review of the company's website, which found statements made about the company's products Lion's Mane - All Natural Supplement, Antrodia Mushroom Powder, Maitake Mushroom Powder, Reishi ...

Recalls & Warnings

January 20, 2021

FDA Warns Seller of Vitamin D, Curcumin and CoQ10 Promoted for Treating COVID-19

On December 28, 2020, the FDA issued a warning letter to Smarter Nutrition, Inc. following a review of the company's website, which found statements made about the company's products Smarter Curcumin, Smarter Ubiquinol, and Smarter Vitamin D3 to be drug claims.

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, ...

Recalls & Warnings

December 22, 2021

FDA Warns Seller of Liquid Magnesium, B-12, Berberine & More

On December 9, 2021, the FDA issued a warning letter to Wholly Liquid Nutritional Supplements LLC because it found statements on the company's website and social media about its products, including SpiroLaze, BioLaze, LiquiLaurin, VIT-B12, DeStress, and Omega Plus, to be ...

Recalls & Warnings

December 09, 2021

FDA Warns Seller of Curcumin, Lion's Mane, Quercetin & More

On November 9, 2021, the FDA issued a warning letter to Synaptent, LLC because it found statements on the company's website about its products, including Berberine HCL, Curcumin, Lion's Man, Milk Thistle, Quercetin, Boswellia Serrata Extract, and Garlic Extract to be ...

Recalls & Warnings

April 28, 2020

Natures CBD Oil Distribution Warned for Joint Pain Claims

On April 20, 2020, the FDA issued a warning letter to Homero Corp DBA Natures CBD Oil Distribution, following an inspection of the company's website which found the company's products, including Natures Pure CBD Oil, CBD Froggies 25mg, CBD Froggies 50mg, CBD Edibles 200mg Frogs, CBD ...

Recalls & Warnings

April 02, 2019

FDA Issues Strong Warnings to Sellers of CBD

On March 28, 2019, the FDA issued warning letters to three companies for making unsubstantiated claims about the health benefits of CBD (cannabidiol) products on their websites.

Recalls & Warnings

October 22, 2019

Company Marketing CBD for Use in Infants and Children Gets Strong Warning

On October 10, 2019, the FDA and FTC issued a joint warning letter to Rooted Apothecary LLC for "illegally selling unapproved products containing cannabidiol (CBD) online with unsubstantiated claims" including that the products could treat teething pain and ear aches in infants, autism, ...

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

December 26, 2017

Seller of Fish Oil, Vitamin D, Whey Protein and More Warned for Manufacturing Violations

On December 19, 2017, the FDA issued a warning letter to Maine Natural Health, Inc.

Recalls & Warnings

November 02, 2012

Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims

On October 15, 2012, the FDA issued a warning letter to Ortho Molecular Products, Inc. for making drug claims about the following dietary supplements: Candicid Forte, Inflamma-bLOX, Lipitrol, Mucosagen, Prostatrol Forte, Resvoxitrol, Paracid Forte, VascuPak HTN and Lithium Orotate.

Recalls & Warnings

March 16, 2006

Garden of Life, Maker of Primal Defense, Settles FTC Charges

On March 9, 2006, The Federal Trade Commission (FTC) announced that an operation that marketed dietary supplements sold at Whole Foods Market, GNC, the Vitamin Shoppe, and on the Internet settled FTC charges that they made deceptive advertising claims about their supplements.

Recalls & Warnings

July 31, 2018

FDA Warns Seller of Joint Health and Cholesterol Supplements

On July 13, 2018, the FDA issued a warning letter to GC Natural, following a facility inspection which found a number of the company's products, including Red Pyrola Plus + Advanced Joint Formula Capsules, CSDP GOLD Capsules, Rejeune Optimal Kidney & Liver Support Extract balls, C.

Recalls & Warnings

April 17, 2018

FDA Warns Seller of Echinacea, Iron, Aloe Supplements & More for Manufacturing Violations

On March 30, 2018, the FDA issued a warning letter to Ozark Country Herbs following a facility inspection which found a number of the company's products, including Echinacea-Goldenseal, Natural Iron, and Aloe-Vera Goldenseal Salve, to be adulterated because they were prepared, packed, or held under ...

Recalls & Warnings

September 17, 2013

Seller of Omega-3 and Joint Supplements Warned for Manufacturing Violations and Drug Claims

On August 29, 2013, the FDA issued a warning letter to Y.S. Health Corp.

Recalls & Warnings

May 17, 2013

Maker of Cardio, Arthritis, Cleanse Supplements and More Warned For Manufacturing Violations and Drug Claims

On May 8, 2013, the FDA issued a warning letter to Entrenet Nutritionals, Inc.

Recalls & Warnings

September 10, 2014

Seller of Joint Pain Supplement Warned for Drug Claims

On August 24, 2014, the FDA issued a warning letter to CreAgri, Inc., following a website review, which found statements made about the company's products, including Olivenol plus Easeflex, Olivenol plus Essence Capsules, and Olivenol plus Essence Elixer, to be drug claims.

Recalls & Warnings

August 21, 2014

Seller of Joint Supplement Warned for Manufacturing Violations and Drug Claims

On July 17, 2014, the FDA issued a warning letter to Klein Laboratories, Inc.

Recalls & Warnings

July 26, 2014

Marketers of Nopal Cactus Drink Settle FTC Charges of Deceptive Claims

TriVita Inc., and marketers of the company's "prickly pear" fruit drink Nopalea have agreed to pay $3.5 million in consumer refunds to settle FTC charges they made deceptive claims that the drink treats health problems ranging from skin conditions to joint pain and respiratory problems.

Recalls & Warnings

August 02, 2016

Seller of Whey Protein Warned for Manufacturing Violations, Drug Claims

On July 22, 2016, the FDA issued a warning letter to New Horizon Nutraceuticals, LLC, following a facility inspection which found the company's product, One World Whey Protein Power Food to be adulterated because it was prepared, packed, or held under conditions that violate Current ...

Recalls & Warnings

December 20, 2017

Seller of Supplements for Pain and Allergies Warned for Manufacturing Violations, Drug Claims

On December 13, 2017, the FDA issued a warning letter to GnuPharma Corporation, following a facility inspection which found a number of the company's products, including Relief capsules, Foundation capsules, Aller-geez capsules, Fit capsules, Aller-Geez Tea, Foundation herbal tea and ...

Recalls & Warnings

November 25, 2017

Seller of "BounceBack" Joint Supplement and Others Products Warned for Drug Claims

On November 14, 2017, the FDA sent a warning letter to Mannatech Incorporated following a facility inspection that found the products BounceBack, MannaBears, ImmunoSTART, TruSHAPE, and Catalyst to be in violation of the Current Good Manufacturing ...

Recalls & Warnings

February 02, 2018

Seller of Vitamin D, Omega-3's, Whey Protein & More Warned for Drug Claims

On January 24, 2018 the FDA issued a warning letter to Young Health Products, LLC following a review of the company's website which found promotional statements and testimonials made about the certain products, including Lugol's Solution 2%, Liquid Vitamin D3, Probimune, Flax Seed & Omega ...

Recalls & Warnings

January 29, 2018

Seller of Male Enhancement, Prostate Supplements & More Warned for Drug Claims

On January 10, 2018, the FDA issues a warning letter to USA Labs AKA Power Source Distributors, Inc following a review of the company's website which found statements made about its products, including Maximum Male, Beta 300 (Beta Prosturol), Chromium Max 1000, DHEA, Healthy Cold-X and ...

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

July 11, 2017

FDA Warns Dr. Carolyn Dean of Drug Claims Made for Magnesium, Calcium & Other Mineral Supplements

On June 27, 2017, the FDA issued a Warning Letter to Dr. Carolyn Dean of New Capstone, Inc.

Recalls & Warnings

June 06, 2017

Seller of Vision, Cholesterol, Prostate Supplements and More Warned for Drug Claims

On May 25, 2017, the FDA issued a warning letter to Herbal Doctor Remedies following a facility inspection and review of the company's websites, www.herb-doc.com, www.ChinaSecretMed.com and www.theraherb.

Recalls & Warnings

May 10, 2013

Maker of Concentration, Pain, Immune, Cholesterol Supplements Warned For Drug Claims

On April 24, 2013, the FDA issued a warning letter to EuroPharma Co., Inc., following a review of the company's website which found statements made about Calm Kids, CholestCaps, CuraMed 375 mg, CuraMed 750 mg, Curamin, Mental Advantage, Tri-Iodine, and Viragen to be drug claims.

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 01, 2013

Maker of Algae Products Warned For Drug Claims, Manufacturing Violations

On March 8, 2013, the FDA issued a warning letter to Algaen Corporation following a facility inspection and website review which found statements made about the company's AlgaBerry products to be drug claims. 

Recalls & Warnings

November 14, 2012

Maker of Vitamin C, Aloe and Sexual Enhancement Supplements Warned for Drug Claims and Misbranding

On October 22, 2012, the FDA issued a warning letter to Health Breakthroughs International, LLC after a review of the company's product labels and website found the dietary supplements Amazing C, MPS-Gold 100 and Power Herbal Formula to be promoted as drugs.

Recalls & Warnings

November 28, 2014

Seller of Herbal Extracts Warned for Manufacturing Violations, Drug Claims

On November 3, 2014, the FDA issued a warning letter to Avena Botanicals, Inc.

Recalls & Warnings

September 07, 2016

Seller of Herbal Formulas for Cholesterol, Prostate & More Warned For Drug Claims

On July 29, 2016, the FDA issued a warning letter to Healing-Scents following a review of the company's website, which found statements made about its products, Heart Herbs, Cholesterol Regulation Herbs, Diabetes Regulation Herbs, Prostate Healer Herbs, High Blood Pressure Herbs, ...

Recalls & Warnings

July 12, 2013

Herbal Supplement Company Warned For Drug Claims, Manufacturing Violations

On June 18, 2013, the FDA issued a warning letter to Herbs of Light, Inc.

Recalls & Warnings

April 23, 2013

Seller of Digestion, Thyroid and Vitamin D Supplements Warned For Drug Claims

On November 5, 2012, the FDA issued a warning letter to The Women's Health Institute at Texas following a review of the company's various websites which found statements made about Digest + SEB, Iodine Plus 2, and D5000 Vitamin D dietary supplements to be drug claims.

Recalls & Warnings

January 30, 2013

Seller of Omega-3 and Emu Oil Supplements Warned For Drug Claims, Misbranding

On November 19, 2012, the FDA issued a warning letter to Emu Products & Management, Inc. after a review of the company's website found statements that promoted the dietary supplements Multi-Omega Gel Caps, Recovery Gel Caps, ARP Gel Caps and the topical skin products Extreme Cryo Gel, F.A.C.E.

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

February 13, 2014

Maker of Cholesterol and Workout Supplements Warned For Manufacturing Violations, Drug Claims and Unapproved Ingredient

On January 31, 2014, the FDA issued a warning letter to Exclusive Supplements Inc.

Recalls & Warnings

February 05, 2014

Maker of Digestive Health Supplement Warned For Manufacturing Violations, Drug Claims

On January 22, 2014, the FDA issued a warning letter to Intensive Nutrition Incorporated, following a facility inspection which found the company's digestive support supplement, Tanalbit, to be adulterated because it was prepared, packed, or held under conditions that violate Current Good ...

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

August 29, 2012

Herbal Supplement Company Warned For Medical Claims

On August 2, 2012, the FDA issued a warning to HSAC Enterprises, Inc. dba Kare-N-Herbs subsequent to a facility inspection and website review in May 2012 which found statements made about Kold Kare, Energy Kare and Tranquility Kare dietary supplements to constitute drug claims.

News Release

April 04, 2017

ConsumerLab.com Reveals Best and Worst Turmeric and Curcumin Supplements & Spices -- 31% Fail ConsumerLab.com Tests of Quality

White Plains, New York, April 4, 2017 — Turmeric and its key compound, curcumin, may be help reduce symptoms of inflammation in rheumatoid arthritis and osteoarthritis and may be helpful in treating depression, diabetes, and indigestion.

News Release

November 03, 2016

Is Astaxanthin Helpful for Inflammation or Other Conditions -- and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular Astaxanthin Supplements

White Plains, New York, November 3, 2016 — Astaxanthin is the red carotenoid and antioxidant which, through the food chain, provides the pink coloration of shrimp, krill salmon and trout.

Recalls & Warnings

February 25, 2017

Radio "Infomercials" for Cognitive and Joint Health Supplements Deceived Consumers, Says FTC

On February 22, 2017, the Federal Trade Commission and the Maine Office of the Attorney General announced a complaint the marketers of CogniPrin and FlexiPrin, charging that they made misleading claims about the supplements in radio infomercials deceptively formatted as talk shows.

Recalls & Warnings

December 21, 2016

Seller of 5-HTP, Chromium, Curcumin and More Warned for Drug Claims

On December 1, 2016, the FDA issued a warning letter to Aurora Health and Nutrition following a review of the company's website, which found statements made about its products, 5-HTP, Alpha Lipoic Acid, the Argentyn 23 product line, Artecin 90 Vegetarian Capsules, ...

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.

Recalls & Warnings

November 06, 2014

Seller of Prostate, Heart Supplements and More Warned for Drug Claims

On October 9, 2014, the FDA issued a warning letter to Health Research Laboratories, LLC/New World Health, following a review of the company's websites, which found statements made about AtheChel Advanced, Betarol, BioTherapex, Omega-3 Cardio Plus, RejuvaLifeRx, and Ultimate Health Formula to be ...

Recalls & Warnings

October 03, 2014

Seller of Green Tea, Prostate, Pain Supplements and More Warned for Manufacturing Violations and Drug Claims

On July 25, 2014, the FDA issued a warning letter to AMS Health Sciences, LLC following a facility inspection which found the company's products, including saba ACE, UROPOWER, UROSure, Digest-Eze, Shark Cartilage, Colloidal Silver, and Mobilite to be adulterated because they were prepared, packed, ...

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

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.

News Release

January 11, 2011

Spoilage and labeling errors found with some omega-3 and -6 supplements; Review of evening primrose, flaxseed, borage, and black currant oil supplements

WHITE PLAINS, NEW YORK — JANUARY 10, 2011 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Only 11 of 17 products selected for testing met quality criteria for freshness and labeling.

News Release

December 10, 2007

ConsumerLab.com finds improvement in quality of omega-3 and -6 supplements — Results for 22 products made from evening primrose, flaxseed, borage and black currant oils

WHITE PLAINS, NEW YORK — DECEMBER 10, 2007 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Two products were slightly low in one fatty acid, but this is an improvement over results from ConsumerLab.

News Release

August 25, 2004

ConsumerLab.com finds not all vitamin E products meet claims — Results for 33 vitamin E supplements and skin products released today

WHITE PLAINS, NY — Wednesday, August 25, 2004   (Updated 10/24/04) — ConsumerLab.com announced today that five vitamin E products failed to pass recent testing for having either too little vitamin E and/or for containing synthetic vitamin E when claiming to be natural.

News Release

August 07, 2002

ConsumerLab.com finds some spoilage and inaccuracy among omega-3 and 6 supplements — List released of evening primrose, flaxseed and other GLA/ALA products that passed testing

WHITE PLAINS, NY — August 7, 2002 — ConsumerLab.com, an independent evaluator of health and nutrition products, released results today of its Product Review of Black Currant, Borage, Evening Primrose, and Flaxseed Oils: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids).

Recalls & Warnings

November 21, 2014

Seller of Diabetes, Prostate Supplements and More Warned for Manufacturing Violations, Drug Claims

On October 7, 2014, the FDA issued a warning letter to dietary supplement distributor Windmill Health Products, LLC, following a facility inspection which found the company's products, including Nutri-Betic caplets, Vita-betic caplets, ProstrinRx tablets, Polyflavanol capsules, and Glucoflex Joint ...

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.