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Clinical Updates
January
Saffron Supplement Tested
January 05, 2026
A saffron-turmeric supplement marketed for mood and memory was recently tested for heavy metals by an independent group. See what they found in our Saffron Supplements Review as well as our Turmeric Supplements Review, which include our Top Picks for saffron and turmeric.
Fish Oil for Depression?
January 05, 2026
A new study looked at whether the omega-3s in fish oil could ease depression symptoms in teens. See the results in the Depression section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.
Flaxseed for Migraine?
January 05, 2026
Can ground flaxseed reduce migraine frequency? A recent study put it to the test. See what happened in our Flaxseed Review, which includes our Top Picks for whole and ground flaxseed.
Pycnogenol for Hair?
January 05, 2026
Does Pycnogenol pine bark extract improve hair growth? Find out in our article about the health benefits and safety of Pycnogenol.
Licorice & DGL Supplements, Candies and Tea
January 08, 2026
Our tests found that even DGL products, from which glycyrrhizin acid is supposed to be removed, can still contain significant amounts of this compound. See the test results in our Licorice and DGL Supplements, Candies, and Tea Review and our Top Picks among products.
Supplement for Sleep?
January 08, 2026
Does corn leaf extract, an ingredient in Thorne Deep Sleep Complex and Nature's Answer DreamMAX, improve sleep? See what a recent study found in our article about supplements for sleep.
Flaxseed Oil to Boost Omega-3s?
January 08, 2026
Taking flaxseed oil can boost EPA and DHA levels for some people more than others, according to a new study. Get the details in our Flaxseed and Other Seed Oils Review, which includes our Top Picks.
Ashwagandha Controversy
January 12, 2026
A company that sells one of the ashwagandha products that was NOT APPROVED in our review is telling consumers that we used an incorrect test method. See our take on this in the Update to the Ashwagandha Supplements Review, which includes our Top Picks among ashwagandha supplements.
PEA for Restless Legs?
January 12, 2026
Does taking PEA (palmitoylethanolamide) help with restless legs syndrome (RLS)? Find out what a recent case suggests in our article about the health effects and safety of PEA.
Unusual Side Effect of Kratom
January 12, 2026
Long-term use of kratom has been linked with an unusual change in the skin. Get the details in our article about kratom.
Olive Oil Heart Benefits?
January 15, 2026
Did a daily dose of extra virgin olive oil improve cholesterol or blood pressure in women? Find out what a recent study showed in our Extra Virgin Olive Oil Review, which includes our Top Picks for extra virgin olive oil.
Spearmint Extract for Memory?
January 15, 2026
Does spearmint extract (the key ingredient in Swanson Nootropic Brain Food) improve memory or cognitive function in people with age-related cognitive decline or in young people? Find out in our article about supplements for memory and cognition.
Seed Synbiotic for Bloating?
January 15, 2026
Did taking Seed synbiotic improve bloating and abdominal discomfort in a recent study? Find out in our Probiotic Supplements Review, which includes our Top Picks among probiotics.
Supplement for Anxiety in Dogs?
January 15, 2026
Does CBD reduce anxiety in dogs? Find out what a recent study showed in the Pets section of our Review, which includes our Top Picks for pets.
Vinegar to Wash Veggies?
January 15, 2026
Is rinsing fruits and veggies with vinegar better than rinsing with water to remove bacteria or pesticides? Find out what research suggests in our Apple Cider Vinegar Review, which includes our Top Picks for apple cider vinegar.
Pycnogenol for Hot Flashes?
January 15, 2026
Does Pycnogenol (a pine bark extract) help with hot flashes or sleeping during menopause? Find out in our article about Pycnogenol.
Magtein for Cognition & Sleep?
January 19, 2026
Does Magtein (magnesium L-threonate) improve cognitive function and sleep? Find what a recent study showed in our Magnesium Supplements Review, which includes our Top Picks for magnesium.
Vitamin D & Falls – A Surprising Twist
January 19, 2026
Having an adequate vitamin D level can reduce the risk of falls, but higher levels have been associated with more falls. A new study suggests why. See our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Berberine for Fatty Liver?
January 19, 2026
Can berberine help with weight and liver fat in people with obesity and fatty liver? See what a recent study found in our Berberine and Goldenseal Supplements Review, which includes our Top Picks for berberine.
Revita Shampoo – Does It Really Work?
January 19, 2026
Wondering if Revita shampoo can actually boost hair density and volume? We’ve reviewed the research in our article about shampoos and supplements for hair.
Strontium & Allergic Reactions
January 19, 2026
A member asked: Can strontium cause hives? While rare, strontium may trigger severe allergic reactions. Learn more in our Bone Health Supplements Review, which includes our Top Picks among supplements for bone health.
Whey Protein for Strong Bones?
January 22, 2026
Did a whey protein shake increase hip bone strength in people on a low-calorie diet? Find out what a recent study showed in our Protein Powders, Shakes, and Meal Replacements Review, which includes our Top Picks for protein.
Ubiquinol for Prediabetes?
January 22, 2026
Does ubiquinol improve insulin sensitivity or decrease blood sugar levels in people with prediabetes? Find out what a recent study showed in our CoQ10 and Ubiquinol Supplements Review, which includes our Top Picks for CoQ10 and ubiquinol.
Heartburn Meds & Mineral Loss
January 26, 2026
Your proton pump inhibitor (PPI) might be causing zinc deficiency, according to a recent study. Get the details in our Zinc Supplements & Lozenges Review (which includes our Top Picks for zinc) and find out which supplements to avoid or be taking when taking a PPI.
Vitamin D for Hearing Loss?
January 26, 2026
Is vitamin D the answer to sudden hearing loss? Find out what a recent study showed in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Leucine to Prevent Muscle Loss?
January 26, 2026
Can leucine prevent muscle loss when you’re immobilized? Find out in our Muscle & Workout Supplements Review, which includes our Top Picks for BCAAs and creatine.
Dose for Your Liver – Does it Work?
January 26, 2026
Is there solid evidence that the herbal supplement Dose For Your Liver improves liver function? Get the facts in our article about supplements for fatty liver disease.
High-Dose B-12 for Nerve Pain?
January 27, 2026
Did a very high dose of vitamin B-12 reduce nerve pain more than a lower dose in people with type 2 diabetes? Find out what a recent study showed in our B Vitamin Supplements Review, which includes our Top Picks for B-12 and other B vitamins.
Oats Lower Cholesterol – Quick!
January 29, 2026
Eating lots of oats can significantly lower cholesterol levels in just 2 days, according to a recent study. Get the details in our Oat Cereals Review, which includes our Top Picks for rolled oats and steel-cut oats.
Fish Oil & Arteries
January 29, 2026
Can taking fish oil help reduce plaque in the arteries of people with type 2 diabetes? Find out what a recent study showed in our Fish Oil Supplements Review, which includes our Top Picks for fish oil.
Alpha-Lipoic Acid Overdose
January 29, 2026
Extremely high doses of alpha-lipoic acid (ALA) can be dangerous -- learn more in our Alpha-Lipoic Acid Supplements Review.
Melatonin from Food?
January 29, 2026
Is it possible to get enough melatonin from your diet for better sleep? See what a recent study found in our Melatonin Supplements Review, which includes our Top Picks for melatonin.
Moringa for Joint Pain?
January 29, 2026
Can moringa leaf extract help with rheumatoid arthritis? Find out what a study showed in our article about moringa leaf supplements, which includes tips for choosing a moringa supplement.
February
Mixing Protein with Coffee?
February 02, 2026
Can you mix protein powder into your coffee without losing its nutritional punch? Find out in our Protein Supplements Review, which includes our Top Picks for protein.
Myo-Inositol for Better Sleep?
February 02, 2026
Can taking myo-inositol improve sleep? Get our take on a recent study in our article about myo-inositol.
Fish Oil for Stress Relief?
February 02, 2026
Did fish oil help people manage stress in a recent study? Get the details in our Fish Oil Supplements Review, which includes our Top Picks for fish oil.
DHM for Fatty Liver Disease?
February 02, 2026
Does dihydromyricetin (DHM) help with fatty liver disease? Find out in our article about DHM.
Ashwagandha for Menopause: Does It Work?
February 05, 2026
Can ashwagandha really help with hot flashes and quality of life for menopausal women? We break down the latest clinical study in our Ashwagandha Supplements Review and share our Top Picks for ashwagandha.
Brain Boost with Broccoli Extract?
February 05, 2026
Did glucoraphanin (from broccoli) improve memory in older people with mild cognitive impairment? Find out what a recent study showed in our supplements for memory and cognition article.
Heavy Metals in Colostrum?
February 09, 2026
Lead and arsenic above "Action Levels" were recently reported in Cowboy Colostrum. Get our take on this and learn more in our article about colostrum supplements.
Creatine for Strength & Body Composition
February 09, 2026
Did creatine boost the benefits of resistance training in untrained, older people in a recent study? Find out in our Muscle & Workout Supplements Review, which includes our Top Picks for creatine and BCAAs.
Coffee, Tea & Dementia Risk
February 09, 2026
A study showed a reduced risk of cognitive decline and dementia with coffee consumption, but not with all types and amounts of coffee. Get the details in our article coffee and brain health.
Also see our Green Tea Review to find out if drinking tea is linked with reduced dementia risk, and see our Top Picks for green tea.Anti-Aging Effect of Greens Powder?
February 09, 2026
Can greens powder slow aging in older people with low veggie intake? See what the latest study showed in our Fruits, Veggies, and Other Greens Supplements Review, which includes our Top Picks among products.
Brain Benefits from Soda?
February 12, 2026
After reporting a link between caffeinated coffee and a reduced risk of dementia, we were asked whether other caffeinated beverages—such as energy drinks or sodas—have similar effects. Find out in our article about coffee and brain benefits.
Retraction of Autism Study
February 12, 2026
A study supporting the use of a B vitamin for autism spectrum disorder has been retracted. Find out why in our article about supplements for autism.
Leg Cramps: Magnesium vs Compression Stockings
February 17, 2026
Which works better? See what a recent study showed in our Magnesium Supplements Review, which includes our Top Picks for magnesium.
Walnuts for Cholesterol
February 17, 2026
Can walnuts lower your LDL ("bad") cholesterol or triglyceride levels? Get the verdict from a new study in our Shelled Walnuts Review, which includes our Top Picks among walnuts.
An Ingredient to Watch Out For
February 17, 2026
Silicon dioxide, a common supplement additive, may cause rare kidney stones. Learn more in our guide to Inactive Ingredients in supplements.
Dry Eye Relief
February 17, 2026
Which supplements actually help? Get science-backed answers in our article about supplements for dry eye.
Contaminated Moringa
February 18, 2026
Salmonella infections have recently been reported with a moringa supplement. Get the details in our article about moringa supplements.
Creatine & Kidney Stones?
February 19, 2026
A CL member reported developing kidney stones after taking creatine and asked if there is a connection. Find out what research suggests in our review of creatine, which includes our Top Picks for creatine.
Plus: Learn about supplements such as Kidney COP and Moonstone powder in our article about supplements and kidney stones.
Cocoa & Blood Clots?
February 19, 2026
Does cocoa extract help prevent blood clots in the legs and lungs? See what a recent study showed in our Dark Chocolates, Cocoa Powders and Supplements Review, which includes our Top Picks among cocoa extracts, cocoa powders, and dark chocolates.
Magnolia for Sleep?
February 19, 2026
Magnolia bark extract is promoted for improving sleep, but does it work? Find out what research suggests in our article about supplements for sleep. Also see our article about supplements for memory to learn if magnolia bark extract helps with Alzheimer's disease.
Oats to Control Blood Sugar?
February 23, 2026
Europe now allows products to claim that beta-glucan from oats helps keep blood sugar in check after meals – but there’s a twist! Learn more in our Oats Review, which includes our Top Picks for rolled and steel-cut oats.
Also see how oats reduce cholesterol!
Botox & Vitamin D: A Surprising Connection!
February 23, 2026
People with higher blood levels of vitamin D may require higher doses of Botox to achieve wrinkle reduction, according to a recent study. Get the details in our Vitamin D Supplements Review.
Vitamin D for Fertility?
February 23, 2026
Can vitamin D boost birth rates of women undergoing IVF? Find out in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Bottled Water: How to Beat Microplastics
February 23, 2026
A recent study pointed to ways to avoid microplastics in bottled water. Learn more in our article about microplastics in drinks and foods.
Also see our Top Pick water filter pitchers for removing microplastics and other contaminants from tap water.
Mustard for Muscle Cramps?
February 23, 2026
Some readers swear by mustard for cramp relief – but does the science back it up? Find out in our article about supplements, foods, and oils for muscle cramps.
Are Special Turmeric Formulas Really Better?
February 26, 2026
Recent testing compared turmeric supplements formulated for better bioavailability. See which performed best – and how to get more from turmeric and curcumin in our Turmeric and Curcumin Supplements Review, which includes our Top Picks for turmeric and curcumin.
Do Nitrate-Rich Vegetables Increase Cancer Risk?
February 26, 2026
Foods like beets and leafy greens are rich in nitrates – but do they raise cancer risk? Find out what research actually suggests in our Beetroot Juices, Powders & Supplements Review, which includes our Top Picks for beetroot products.
Sold by "Pattern"? Should You Trust It?
February 26, 2026
Can supplements sold by "Pattern" on Amazon and Walmart be trusted? Find out and learn how to safely buy real supplements online -- and avoid counterfeits.
March
GLP-1 Supplement Caution
March 02, 2026
A dangerous immune reaction was reported with a "GLP-1" supplement. Learn what happened – and which supplements to take or avoid when using GLP-1 medication.
Low-Dose Lithium for Cognition: Promising or Problematic?
March 02, 2026
Did taking low-dose lithium help people with mild cognitive impairment? Find out and learn about the side effects that occurred in our Low-Dose Lithium Review, which includes our Top Picks for low-dose lithium.
Vitamin C for Gout?
March 02, 2026
Does vitamin C reduce uric acid levels or the risk of gout? Find out in our Vitamin C Review, which includes our Top Picks for vitamin C.
Also see our article about supplements and gout.
Carnosine for Depression?
March 02, 2026
A recent study examined whether L-carnosine reduced depressive symptoms. We explain what it found in our article about the health effects and safety of L-carnosine. Also learn about beta-alanine, which can boost carnosine levels.
NAC for Detox?
March 02, 2026
NAC has been promoted for "detoxification," but what does the science say? Find out in our NAC Supplements Review, which includes our Top Picks for NAC.
Does Extra Protein Help Without Exercise?
March 05, 2026
Can whey protein improve strength in older men and women who don't work out? Find out in our Protein Powders & Shakes Review, which includes our Top Picks for whey and other proteins.
Can Prenatal Fish Oil Reduce Kid’s Colds?
March 05, 2026
Does taking fish oil during pregnancy lower the risk of respiratory infections in kids? Find out in our Fish Oil Supplements Review, which includes our Top Picks for fish and algal oil supplements.
Prostate Glandular Supplements – Do They Really Work?
March 05, 2026
Supplements made from animal prostate tissue are promoted for prostate health -- but is there evidence behind these claims? We examine the evidence in our Prostate Supplements Review, which includes our Top Picks among prostate supplements.
GLP-1s: Linked With Losing Hair?
March 09, 2026
Do GLP-1 medications cause loss of hair? See what a recent study showed in our article about supplements and GLP-1 meds.
Eggshell Membrane for Knee Pain
March 09, 2026
A new study tested whether eggshell membrane extract can ease pain and stiffness in knee osteoarthritis. See what researchers found in our Collagen Supplements Review, which includes our Top Picks among collagen supplements for joints.
Vitamin D for Tendon Pain
March 09, 2026
Can vitamin D calm tendon inflammation in the shoulder, elbow, or ankle? A recent clinical trial offers new insight. Get the details inside our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Ashwagandha & Male Vitality
March 09, 2026
Does ashwagandha boost testosterone or improve vitality in healthy men? We break down the findings in our Ashwagandha Supplements Review, which includes our Top Picks for ashwagandha.
Collagen for Cellulite?
March 09, 2026
A recent study claims collagen "effectively reduces thigh cellulite." We take a critical look at the data in our Collagen Supplements Review, which includes our Top Pick collagen for skin (wrinkles) and for joints.
Antioxidants in Sports: Helpful or Harmful?
March 09, 2026
Some antioxidants may be helpful in sports, while others may blunt exercise benefits. See what an expert panel concluded in our article about antioxidants.
Is Creatine a Brain Booster?
March 12, 2026
A recent study called a form of creatine "promising" for brain health. But after a close look at the study, we’re not convinced. Find out why in the Memory and cognition section of our review of creatine, which includes our Top Picks for creatine.
Do Multivitamins Slow Aging?
March 12, 2026
Did taking a multivitamin slow aging in a 2-year study? Find out in our Multivitamin and Multimineral Supplements Review, which includes our Top Picks among multivitamins.
GLP 1 With B-12?
March 16, 2026
A recent study raises red flags about compounded tirzepatide (the GLP-1 agonist in Zepbound and Mounjaro) mixed with vitamin B-12. Learn more in our article about supplements to take or avoid with GLP-1s and whether GLP-1s affect vitamin D levels.
Cholesterol-Lowering Supplements: What Experts Recommend
March 16, 2026
Which supplements, if any, are recommended to reduce cholesterol levels? A panel of experts weighed in. Find out what they concluded in our Cholesterol-Lowering Supplements Review.
Biotin: A Possible Migraine Trigger?
March 16, 2026
One case report suggests high-dose biotin may worsen migraine frequency and intensity. See the details in our B Vitamins Supplements Review, which includes our Top Picks for biotin and other B vitamins.
Help for Psoriasis?
March 17, 2026
Does taking CBD improve symptoms of plaque psoriasis? Find out what a recent study showed in our CBD Oils, Softgels, Gummies, Creams & Salves Review, which includes our Top Picks for CBD.
Prebiotic for Knee Osteoarthritis?
March 19, 2026
Did taking a prebiotic (inulin) help people with knee osteoarthritis? See what a recent study found in our Prebiotic Supplements Review, which includes our Top Picks among prebiotics.
Butyrate for Weight?
March 19, 2026
Can sodium butyrate help reduce body weight in overweight people? Find out in our article about the health benefits and safety of butyrate supplements.
MSM for Osteoporosis?
March 23, 2026
Is MSM (methylsulfonylmethane) effective for reducing bone loss or improving bone formation in osteoporosis? We break down the science in our article about Supplements for Osteoporosis.
Melatonin for Menopause Symptoms?
March 23, 2026
Did melatonin improve sleep, hot flashes, fatigue, or mood in a recent study? See the results in our Melatonin Supplements Review, which includes our Top Picks for melatonin.
Potassium for Lowering Blood Pressure
March 23, 2026
According to the latest guidelines, a potassium-rich diet—or moderate supplementation—may help lower blood pressure in people with hypertension. Learn more in our Potassium Supplements Review, including our Top Picks for potassium.
Coconut Water vs Sports Drink: Which Rehydrates Better?
March 26, 2026
Is coconut water better than Gatorade or flavored water to rehydrate after a tough workout? A recent study may surprise you. Get the details in our Coconut Water Review, which includes our Top Pick among coconut waters.
Does Vitamin D Help with Asthma?
March 26, 2026
Can vitamin D improve lung function in mild to moderate asthma? We break down the latest study results in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Magnesium for Hardened Arteries?
March 30, 2026
Can a magnesium supplement reduce arterial calcification or stiffness? Find out what a recent study found in our Magnesium Supplements Review, which includes our Top Picks for magnesium.
Resistant Starch & Cooking -- What Changes?
March 30, 2026
We’ve expanded our article about resistant starch with answers to key reader questions, including:
- Does cooking reduce resistant starch?
- How much resistant starch is found in:
- Cooked oatmeal vs. overnight oats
- Potato starch and oat flour
- Breads (white, multigrain, whole wheat, oatmeal, rye, pumpernickel, and mixed grain)
- Can resistant starch help with fatty liver disease or weight?
Read the updated answers in our Resistant Starch article.
Alginate Allergy?
March 30, 2026
Alginates can be more effective than antacids for acid reflux, but can they trigger allergic reactions or histamine release? Find out in our Alginate Supplements Review, which includes our Top Picks among products.
April
Does Vitamin D Reduce Demetia Risk?
April 02, 2026
A new study adds support to evidence that adequate vitamin D levels may lower the risk of Alzheimer’s disease. Get the details in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Acid Reducers & Nutrient Depletion
April 02, 2026
Could your heartburn medication be draining essential nutrients? Deficiency risk may vary depending on the specific medication you use. Get the details in our article about supplements & PPI medications (covering lansoprazole (Prevacid), omeprazole (Prilosec), and esomeprazole (Nexium).
Kratom Interactions
April 02, 2026
Kratom is known to interact with certain prescription medications -- and a recent case report suggests the list may be growing. Get the details in our article about kratom.
GLP-1 "Activator" for Weight?
April 02, 2026
Products like Calocurb GLP-1 Activator claim to boost GLP-1 to curb hunger -- but what does the science say? Find out in our article about supplements for weight.
Overuse of Thyroid Medication?
April 06, 2026
A recent study suggested that many older people prescribed lower doses of levothyroxine may not need it. Get the details in our article about thyroid treatments and supplements.
Does Extra Protein Help?
April 06, 2026
Did taking extra protein help older people get more benefit from resistance exercise? Find out what a recent study showed in our Protein Powders, Shakes, and Meal Replacements Review, which includes our Top Picks for protein.
Krill Oil for Back, Hip, and Knee Pain?
April 06, 2026
Can krill oil ease chronic muscle and joint pain in older people? See what a new study found in our Fish Oil Supplements Review, which includes our Top Picks for fish oil and krill oil.
GABA for Strength?
April 06, 2026
Does taking GABA boost muscle strength or improve sleep in older women? See what a recent study showed in our GABA Supplements Review, which includes our Top Picks for GABA.
Lunakai Pro Women's Hair Growth & Restore
April 06, 2026
Lunakai Pro Women's Hair Growth & Restore was tested for its biotin content and checked for heavy metals, and is now included in our B Vitamin Supplements Review. It was tested and Approved for quality by ConsumerLab through our voluntary Quality Certification Program.
Acai for Tinnitus?
April 09, 2026
Can acai extract quiet ringing ears? Find out what a study found in our Acai Supplements Review.
Also see our article about tinnitus and supplements.
Depression: Can Vitamin D Make a Difference?
April 09, 2026
Could vitamin D be a useful add-on for depression? Find out what a recent study showed in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Fish Oil for Diabetes?
April 09, 2026
Does taking fish oil help control blood sugar in people with Type 2 diabetes? Find out what a recent study showed in our Fish Oil Supplements Review, which includes our Top Picks for fish oil.
Creatine: Muscle Power and Cognitive Perks?
April 13, 2026
Can taking creatine offer mental benefits in addition to performance gains? Find out what a recent study showed in our Muscle and Workout Supplements Review, which includes our Top Picks for creatine and BCAAs.
Kombucha for Heart Health?
April 13, 2026
Can kombucha improve cholesterol or blood sugar? See what the latest study showed in the Kombucha section of our Probiotic Supplements Review.
Probiotic Helps Constipation
April 16, 2026
A recent study found that a specific probiotic improved constipation symptoms. Learn which strain helped in our Probiotic Supplements Review – and see our Top Picks for constipation and other conditions.
Shatavari for Menopause – Does It Work?
April 16, 2026
Can shatavari root extract relieve hot flashes or other menopause symptoms? See what a new study found in the Shatavari section of our Menopause Supplements Review.
PEA for Pet Joint Pain?
April 16, 2026
Does PEA (palmitoylethanolamide) help dogs or cats with joint pain? Find out what the research shows and our top choices for PEA.
Sunscreen Irritation
April 16, 2026
Which types of sunscreen are less likely to trigger skin irritation or allergic reactions? Find out in our guide to safer, effective sunscreens, including our preferred products list.
Anemia Linked to Alzheimer’s
April 20, 2026
A recent study found that people with anemia were more likely to develop Alzheimer's disease. Learn more in our Iron Supplements Review and see our Top Picks for iron.
Home Lead Tests of Food?
April 20, 2026
Are there easy ways to test for lead in foods and supplements at home? Find out in our article: Which foods and supplements contain lead, cadmium, or arsenic?
Supplements for Tinnitus?
April 20, 2026
Find out which supplements may help with ringing in the ears (and which medications may cause this condition) in our article about tinnitus.
Best Calcium When Taking a PPI
April 21, 2026
If you take an acid-blocking PPI (proton pump inhibitor) such as Prilosec or Prevacid, be aware that it can affect the absorption of calcium and other minerals. In some cases, long-term use has been linked with increased fracture risk. Find out which form of calcium may be best absorbed when taking a PPI in our Calcium Supplements Review, which includes our Top Picks for calcium.
Cooled Pasta Benefit?
April 23, 2026
Does eating pasta that has been cooled after cooking increase its resistant starch content and reduce blood sugar spikes after eating in people with type 1 diabetes? Find out what a study showed in our article about resistant starch.
Vitamin D to Lower Diabetes Risk?
April 23, 2026
Taking high-dose vitamin D may reduce the risk of type 2 diabetes in a subgroup of people. Find out more in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Caution With Blood Sugar Supplement
April 27, 2026
A woman developed pancreatitis shortly after taking a “blood sugar support” supplement containing chromium picolinate. Get the details in our Chromium Supplements Review + our Top Picks for chromium picolinate.
Can SAMe Boost Depression Treatment?
April 27, 2026
Does it help to add SAMe to prescription antidepressant treatment? Find out what a recent study showed in our SAMe Supplements Review + our Top Picks for SAMe.
Kidney Damage from Creatine?
April 30, 2026
Creatine is one of the most-used workout supplements – but is it tough on the kidneys? See details in our Muscle & Workout Supplements Review, which includes our Top Picks for creatine.
KilgourMD for Hair – Does It Work?
April 30, 2026
Does the KilgourMD System reduce hair shedding in menopausal women? Get our take on the company’s recent study in our article about supplements and topicals for hair.
Sea Buckthorn for Dry Eye?
April 30, 2026
Does taking sea buckthorn oil improve symptoms of dry eye? Get the details in our article about supplements for dry eye.
Choline in Multis – Should You Be Worried?
April 30, 2026
Multivitamins often include choline bitartrate, a compound known to elevate TMAO levels and potentially increase the risk of heart attacks. Find out if you should be concerned in our article about choline and heart health.
May
Could Sunscreen Make You Hotter?
May 04, 2026
New research examines whether certain sunscreens affect heat retention. We break down what the studies show in our article about sunscreens, which includes our list of preferred sunscreens.
Spermidine & Longevity?
May 04, 2026
Spermidine is often promoted as a longevity booster — but what does human research really show? Get the details in the spermidine section of our article about supplements for gray hair.
Gelatin "Trick" for Weight?
May 04, 2026
Does eating gelatin reduce appetite or weight? Find out in our review of supplements and foods for reducing weight.
Capsimax for Weight?
May 07, 2026
Capsimax is a cayenne pepper ingredient in supplements for weight control. Find out if it works and if it's safe.
Beef Tallow for Skincare?
May 07, 2026
Beef tallow is trending as a "natural" moisturizer. What does the evidence say about irritation, acne risk, and performance? See the answer in our article about soaps for sensitive skin.
Concern with Glycerol?
May 07, 2026
Glycerol is added to foods and beverages for sweetness/texture, but too much can cause side effects. Find out which foods are riskiest in our article about sweeteners and sugar substitutes, which includes our top choices for sweeteners.
Creatine Brain Boost?
May 11, 2026
Did creatine increase the cognitive or physical benefits of exercise in older men and women? Find out what a recent study showed in our Muscle & Workout Supplements Review + see our Top Picks for creatine and BCAAs.
Vitamin D & Vertigo
May 11, 2026
Does taking vitamin D reduce the recurrence of a common form of vertigo (BPPV)? Get the latest research in our Vitamin D Supplements Review + our Top Picks for vitamin D.
Folic Acid or Methylfolate in Pregnancy
May 11, 2026
Does the form of folate in a prenatal vitamin matter during pregnancy? See what a recent study found in our B Vitamin Supplements Review, which includes our Top Picks for folate.
Treatments for Alopecia Areata?
May 11, 2026
Can light therapy or taking glycyrrhizin (a compound in licorice) improve the patchy hair loss of alopecia areata (an autoimmune condition)? Find out in our article about supplements for hair.
Caution With GLP-1s and Lithium
May 12, 2026
Starting or switching GLP-1s while on lithium may cause serious side effects, according to several reports. Get the details in our article about using GLP-1s.
A Calcium Warning for GLP-1 Users
May 14, 2026
A recent case highlights a potentially serious interaction. See what to avoid and what to consider instead. Get the details in our article about supplements to take or avoid with GLP-1s.
How Much Vitamin D Do You Actually Need?
May 14, 2026
Learn what level is considered sufficient and how your current vitamin D status and body weight may affect dosing in our Vitamin D Supplements Review + see our Top Picks for vitamin D.
Can You Prevent Muscle Loss When on GLP-1s?
May 18, 2026
Do protein supplements prevent muscle loss or improve body composition when taking a GLP-1 medication? Find out in our article about supplements to take or avoid with GLP-1s.
Can Vitamin D Improve GLP-1 Results?
May 18, 2026
Having an adequate blood level of vitamin D when starting a GLP-1 medication may slightly improve outcomes, according to a recent study. Get the details in our Vitamin D Supplements Review + see our Top Picks for vitamin D.
How to Reduce Microplastics from Bottles
May 18, 2026
New research shows how storage conditions determine the amount of microplastics released from bottled water or soda.
Fish Oil May Accelerate Cognitive Decline
May 21, 2026
A recent study linked omega-3 supplements with faster cognitive decline -- an unexpected finding. Get the concerning details in our Fish Oil Supplements Review.
Selenium and Thyroiditis: Why Caution May Be Warranted
May 21, 2026
Supplementing with selenium was associated with risks when taken by those with thyroiditis. Learn more in our article about Thyroid Supplements.
Turmeric for Post-Workout Inflammation?
May 21, 2026
Does turmeric tame inflammation and oxidative stress after a tough workout? Learn what the latest study found in the Turmeric and Curcumin Supplements Review + see our Top Picks for turmeric supplements and spices.
Better Exercise with Beetroot?
May 21, 2026
Does taking beetroot juice before exercise improve strength or speed? It may for some, but not for others. Get the details in our Beetroot Review + see our Top Picks among beetroot juices, powders, and chews.
Omega-3 Absorption: Krill vs Fish Oil
May 21, 2026
Are the omega-3 fatty acids better absorbed from krill oil than from fish oil? See what the latest research shows in our Omega-3 Supplements Review + see our Top Picks for fish oil, krill oil, and algal oil.
Fisetin for Aging?
May 21, 2026
Can fisetin supplements slow aging? Learn what the research shows in our article about fisetin.
Sea Buckthorn for Vaginal Dryness?
May 21, 2026
Does taking sea buckthorn oil improve symptoms of vaginal dryness in postmenopausal women? See what research shows in the Sea Buckthorn section of our Menopause Supplements Review.
Citrulline for Better Strength?
May 26, 2026
Can citrulline improve strength or quality of life in older women? A new study offers an answer. Find out in our L-Citrulline Review + see our Top Picks for L-citrulline.
Collagen for "Ozempic Face?"
May 28, 2026
Does taking collagen prevent or reduce sagging skin due to rapid loss of weight with GLP-1 receptor agonists (i.e., "Ozempic face")? Find out in our Collagen Supplements Review + see our Top Pick collagen supplements for skin (wrinkles).
How Good Are OTC Hearing Aids?
May 28, 2026
Do over-the-counter (OTC) hearing aids work as well as prescription devices? Get the latest information in our article about hearing aids.
Can This Supplement Help Prevent Weight Regain?
May 28, 2026
Does Akkermansia muciniphila prevent weight regain? Get the details from a recent study in our article about Akkermansia. Also see our tests of supplements containing Akkermansia in our Probiotics Review.
Could GABA Help IBS Symptoms?
May 28, 2026
Did taking a GABA-containing supplement reduce symptoms in people with IBS (irritable bowel syndrome)? See what a recent study showed in our GABA Supplements Review, which includes our Top Picks for GABA.
Can Peppermint Lower Blood Pressure?
May 29, 2026
Did peppermint oil decrease blood pressure in people with early-stage hypertension in a recent study? We break it down in our Essential Oils Review, which includes our Top Picks for lavender and tea tree oil.
June
Do Calcium Supplements Cause Cognitive Decline?
June 01, 2026
Studies indicate a link between calcium supplements and cognitive decline, but is calcium really the cause? Learn what the latest evidence shows in our Calcium Supplements Review, which includes our Top Picks for calcium.
Red Yeast Rice Caution
June 01, 2026
It can lower cholesterol but also cause adverse effects, depending on the dose, as a CL member recently experienced. Learn more in our Red Yeast Rice Review, which includes our Top Pick for red yeast rice.
Creatine for Cholesterol?
June 01, 2026
Can creatine lower cholesterol levels? Find out what a recent study showed + see our Top Picks for creatine.
Oats for Gout?
June 01, 2026
There is growing evidence that high-fiber whole grains may help with gout. Learn more in our Oats Review, which includes our Top Pick for oats.
AirPods as Hearing Aids?
June 01, 2026
Certain earbud devices, such as Apple AirPods Pro 2 & 3 headphones, include hearing aid features, but how do these devices compare to traditional OTC hearing aids? Find out in our article about OTC hearing aids.
NAD Levels and Aging: A Key Assumption Challenged
June 04, 2026
A new study challenges one of the biggest assumptions behind NAD boosters: Do NAD+ levels really decline with age? Explore the latest findings in our NAD Boosters Review, which includes our tests and Top Picks for the NAD Boosters NADH, nicotinamide riboside (NR), and nicotinamide mononucleotide (NMN).
AKG For Longevity: Hope or Hype?
June 04, 2026
Can AKG really “turn back the clock” on aging – as suggested by a new report? We dug into the evidence, the forms of AKG, and the supplements that provide it. See: Does AKG Extend Lifespan and Slow Aging?
Which Bug Sprays Work Best?
June 04, 2026
See which bug sprays perform best against ticks and mosquito bites in our article about insect repellents.
Charcoal Toothbrushes: Helpful or Just Hype?
June 04, 2026
Do charcoal-bristled toothbrushes reduce staining and plaque better than regular toothbrushes? See the latest research in our article about toothpaste and other dental products.
Melatonin May Affect Blood Sugar
June 08, 2026
Be aware that melatonin seems to have short-term negative effects on blood sugar control and insulin resistance in people with type 2 diabetes. Check the safety concerns in our Melatonin Supplements Review, which includes our Top Picks for melatonin.
Can Vitamin D Improve Blood Sugar?
June 08, 2026
Does raising low vitamin D levels improve blood sugar control in people with type 2 diabetes? See what a recent study showed in our Vitamin D Supplements Review, which includes our tests and Top Picks for vitamin D.
Alzheimer's: Does Silica Water Help?
June 08, 2026
Can taking silica (as silica-enriched water) protect against Alzheimer’s disease? Find out in our article about the health benefits of silica, which includes information about the supplement BioSil.
Broccoli Sprout Extract for Fatty Liver?
June 08, 2026
Does taking broccoli sprout extract help with fatty liver disease? Find out in our article on fatty liver supplements.
CREATINE BRANDS TESTED: One Failed — Are You Overpaying?
June 11, 2026
We tested 11 popular creatine supplements and found one that failed quality testing — while some people may be paying nearly 3X more than necessary for high-quality creatine.
Find out:
- Which brands passed – and which failed
- What creatine can and can’t do
- How to take creatine
- Safety concerns and side effects
See the full results in our Creatine Supplements Review -- covering creatine from Create, Fitness Labs, GNC, Life Extension, Momentous, Naked, Nutricost, Optimum Nutrition, Sports Research, Thorne, and more.
Could Glucosamine Worsen Alzheimer’s?
June 11, 2026
If you take glucosamine for joint pain, a new study raises a concern worth knowing about. Get the details in the Concerns and Cautions section of our Joint Supplements Review.
Sweeteners & Liver Cancer
June 11, 2026
Some sweetened beverages seem to increase the risk of liver cancer. Learn more in our article about sugar substitutes, which includes our Top Picks among lower-calorie sweeteners.
Can Vitamin K Slow Artery Calcification?
June 11, 2026
For people concerned about coronary artery calcification, new research suggests that MK-7 (a form of vitamin K) may help. Get the details in our Vitamin K Supplements Review, which includes our Top Picks for MK-7 and other vitamin K supplements.
Is Niacinamide Worth Considering for Skin Cancer Risk?
June 11, 2026
High-dose nicotinamide (a common form of niacin) may reduce the risk of skin cancer -- and even the cost of healthcare -- according to a new analysis. Learn more in the Niacin section of our B Vitamin Supplements Review, which includes our Top Picks for niacin/nicotinamide and other B vitamins.
What’s New In Sunscreens?
June 11, 2026
The FDA added a new sunscreen ingredient to its list of those considered safe and effective. Find out how it compares to other ingredients in our article about safe and effective sunscreens.
Also, we recently added sunscreens from Attitude and Trader Joe's to our list of those we prefer. And find out if you should be concerned about heavy metals in sunscreen lip balms.
