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Product Reviews (110)
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Coconut Oil and Medium Chain Triglycerides (MCT) Oil Review – Semi-Solid and Liquid Oils & Supplements
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)
CL Answers (333)
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Which is the best mask to prevent COVID-19 and how do cloth, disposable, N95, and KN95 masks compare? How can I stop glasses from fogging?
See our Top Picks for masks. Learn how to make COVID-19 masks from materials at home that can be almost as effective as surgical mask and N-95 masks.
How do the Pfizer, Moderna and Johnson & Johnson 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.
Do any supplements help with the coronavirus (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.
What face shield is best to protect from COVID-19 and when should I wear one?
Review of face shields and information about face shields to help protect against coronavirus (COVID-19). If properly made and worn, face shields provide extra protection for close interactions with individual who may be infected.
How can I get tested for the coronavirus? Can I get an at-home test for COVID-19? Which are the best tests? Are any tests free?
Coronavirus (COVID-19) Tests: Where to get COVID-19 tests, including information about free testing, home testing and more. Information about SARS-CoV-2 virus tests, antibody tests and FDA approved tests.
Is ingesting colloidal silver helpful for any condition and is it safe to use? I'm seeing it promoted for many applications.
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.
Does heat kill coronavirus (COVID-19)? Can it disinfect face masks and packages?
Find out if heat kills the coronavirus SARS-CoV-2 that causes COVID-19 infection. Learn what temperature kills the coronavirus and more. ConsumerLab explains.
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.
Which air purifiers are best for reducing the spread of COVID-19?
Find out if portable air cleaners can remove the virus that causes COVID-19 infection from the air and learn which type air cleaners work best.
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.
What is Pycnogenol and does it work?
Learn more about Pycnogenol, including evidence from clinical studies on blood clots, osteoarthritis, cognition, vision, tinnitus, and the skin and safety.
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.
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
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.
How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?
Read our comparison of the Beyond Burger and the Impossible Burger, plant-based, meat alternative burgers. Compare nutrition, vitamins and minerals. ConsumerLab.com's answer explains.
Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?
Learn which supplements can ease tinnitus, including melatonin and pine bark extract. Understand which may actually cause tinnitus.
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.
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
Do arnica pills really work to prevent bruising?
Find out if arnica tablets really work to prevent bruising, information about homeopathic products and more. ConsumerLab.com's answer explains.
How much calcium do you need each day, what forms are best, and how much is too much?
Learn about the recommended daily intake of calcium from food & supplements and why taking too much can be harmful. Also, learn about the forms of calcium that are available and which are best.
Is CBD oil (cannabidiol) effective and safe? Is it legal?
Learn more about cannabidiol (CBD), its potential effects, safety and side effects, and find out if CBD oils and pill are legal. ConsumerLab.com's answer explains.
What is the difference between fish oil and cod liver oil? Is one better than the other?
Find out how regular fish oil and cod liver oil differ including amounts of omega-3s EPA and DHA, vitamin A and vitamin D, which is best to suit your needs. ConsumerLab.com's answer explains.
What is the difference between fish oil and krill oil? Is one better than the other?
Learn which is better for you and compare krill oil vs. fish oil, including evidence from clinical studies, EPA and DHA content, price, and side effects.
Can any supplements improve or worsen symptoms of fibromyalgia?
Find out if any supplements may help improve fibromyalgia symptoms, learn which supplements do not seem beneficial, and find out if any supplements worsen symptoms.
Do any supplements help prevent or improve cataracts?
Find out which supplements may help with cataracts, including selenium and vitamins A, B1, B3, C, and E.
Can D-mannose help prevent urinary tract infections?
Learn more about D-mannose and its impact on urinary tract infections (UTIs), including evidence from clinical studies.
Is it possible to take too much vitamin C?
Find out the daily value of vitamin C, along with possible side effects of excessive vitamin C intake. ConsumerLab explores the topic of proper vitamin C supplement usage, and why taking too much can be harmful.
Do any supplements or foods help with migraine? Do any trigger migraine?
Find out if supplements such as magnesium, CoQ10, riboflavin, butterbur, feverfew and others help with migraine. Also learn about foods that may trigger migraine, including chocolate and watermelon.
Do water filters remove microplastics from tap water?
Find out if water filter pitchers and faucet mounted filters from Brita, Pur, Lifestraw and other brands remove microplastics from tap water.
How concerned should I be about glyphosate in foods and supplements?
Find out if you should be concerned about glyphosate in foods and supplements. ConsumerLab.com's answer explains.
Is it true that oat cereals, like Cheerios, oatmeal, oatflakes and steel-cut oats can be contaminated with a toxin?
Find out if oat cereals, like Cheerios and oatmeal, can be contaminated with the fungal toxin ochratoxin A (OTA). ConsumerLab.com's answer explains.
Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% of the Daily Value!
Find out the daily value for vitamin B-12 and the potential side effects of taking too much B-12. ConsumerLab explains why taking too much vitamin B-12 can be harmful.
6 Red Flags to Watch Out For When Buying Vitamins & Supplements
When it comes to buying vitamins and supplements, it's buyer beware. ConsumerLab explains six red flags to look out for on labels when choosing and buying vitamins or supplements, including claims of "FDA Approved" laboratories, what to look for in the ingredient list, and more.
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.
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.
Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.
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.
Which supplements and foods can help lower or control my blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
Is it true that eating Brazil nuts can help with weight loss? Are there other health benefits or risks of Brazil nuts
Learn more about vitamin E intake from nuts, including Brazil nuts, hazelnuts, and almonds.
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.
Is drinking coffee good or bad for heart health?
Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.
To avoid mercury, I tried skipjack tuna instead of albacore, but I didn't like the taste. Is it safe to continue to eat albacore if just once a week?
Concerned about mercury in albacore tuna? Find out how often it is safe to consume albacore tuna, and the best canned tuna and salmon alternatives to albacore tuna that are high in omega-3s and low in contamination with mercury. ConsumerLab.com's answer explains.
Do UV light sanitizing wands and boxes kill coronavirus (COVID-19)?
UV light is promoted as an effective and convenient alternative to chemical disinfectants, but can it work against the coronavirus? Learn the the pros and cons and see our reviews and comparisons of popular UV devices on the market.
Do any supplements, foods, or oils help reduce muscle pain, muscle cramps, or nighttime leg cramps?
Find out which supplements, and topical products such as magnesium creams, can help reduce muscle pain, leg cramps, and nighttime leg cramps, and which may worsen muscle cramps. Also, learn about vitamin and mineral deficiencies and common medications that can cause muscle cramps and nocturnal leg cramps.
What are the health benefits of green tea, and is it safe?
ConsumerLab explains green tea's potential health benefits for everything from fighting cancer to helping your heart.
Is sublingual vitamin B-12, which is placed under the tongue and allowed to dissolve, really better than the pill form?
Learn the difference between sublingual vitamin B-12, vitamin B-12 pills and more through information including clinical evidence.
Which dark chocolate bar has the most flavanols with the least calories?
Find out which dark chocolates are lowest in calories and contain the most flavanols, according to our lab tests.
What is carrageenan? Should I be concerned that it is an ingredient in my supplement?
Learn about what carrageenan is, its different forms, and safety, including carcinogenicity.
Which supplements have been shown to be helpful for autism?
Find out which supplements may help reduce symptoms of autism, including multivitamins, probiotics, and melatonin.
Can taking too much vitamin B-6 be dangerous? The label on my multivitamin states it contains 2000% of the Daily Value!
Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose.
Which supplements can help lower my triglycerides?
Find out whether fish oil supplements, or plant-based oil supplements, such as flaxseed oil and echium oil are best for lowering triglyceride levels. ConsumerLab.com's answer explains.
Do Vital 3 collagen drops really help for joint pain?
Learn more about Vital 3 collagen drops withundenatured type II collagen, and if they can help joints move better and feel better.
Is it okay to break vitamin tablets, pills or capsules to change the dose or make them easier to swallow?
Info on the safety of crushing supplement pills, tablets, capsules or enteric coated tablets and ingest the powder with food, as opposed to a whole pill.
What are the health benefits of avocado oil? Is it healthier than olive oil? Which avocado oils are best?
Learn about the health benefits of avocado oil and how it compares to olive oil, evidence for heart health, osteoarthritis and other uses. ConsumerLab.com's answer explains.
Do hair loss supplements, such as Viviscal or Hair La Vie, 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.
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.
How can I find out where a vitamin or supplement is made and where its ingredients come from, such as China or the USA?
Learn more about the manufacturing, distribution, and ingredients of a supplement, including FDA regulations.
What are the health benefits of black cumin seed (black seed) oil?
Find out if black seed oil has health benefits, such as lowering blood pressure or cholesterol, asthma, weight loss, and others. Dosage, forms, including black seed oil and black seed powder, safety information, using black seed oil in foods and more. ConsumerLab.com's answer explains.
Do any supplements help prevent or reduce eye floaters?
Can eye floaters (vitreous floaters) be treated with supplements like vitamin C, lutein, ginkgo, milk thistle, collagen or hyaluronic acid? ConsumerLab.com's answer explains.
A tea called Throat Coat made me lethargic and I was found to have low potassium. Is this a known problem? I was drinking 5 cups a day.
Throat Coat tea information, including licorice root content, potassium loss, and symptoms such as lethargy, increased blood pressure and fluid retention. ConsumerLab.com's answer explains.
Is it safe to fly and how can I avoid getting COVID when flying?
How to fly safely and avoid COVID-19. Tips to help you stay safe and protect others while flying during the COVID-19 pandemic.
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.
Which supplements may benefit people with essential tremor, and which should be avoided?
Learn about supplements used for treating essential tremor, including caprylic acid (also called octanoic acid), thiamin (vitamin B1), cannabidiol (CBD), GABA (gamma-aminobutyric acid), and branched-chain amino acids. Find out which work and which don't. Also find out which supplements and food may make essential tremors worse.
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.
How do I choose the best magnesium supplement?
Choosing the best form of magnesium supplements can be tricky due to the many different types (magnesium aspartate, bicarbonate, carbonate, chloride, citrate and others).
What is monolaurin? Can it really prevent colds, cold sores, or other infections?
Lauricidin (monolaurin) information for preventing colds, immune system function, and safety.
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.
Lovaza, a prescription omega-3 fish oil, is very expensive. Can I get the same omega-3 oils from a supplement that costs less?
Lovaza fish oil (prescription) vs. over the counter fish oil supplements. Understand the differences in cost and benefits before you buy.
Do any supplements or foods 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.
Do any supplements or foods help prevent sunburn or skin damage from sun exposure? Can any increase your risk of sun-related skin damage?
Find out which supplements may help protect from sunburn and sun-related skin damage, including beta-carotene, vitamins A and C, and cocoa.
Which supplements make acid reflux worse? I take many and think some are causing heartburn. Are there any supplements that help treat acid reflux?
Find out which supplements can cause or worsen acid reflux, nausea and GERD, including vitamin B6, arginine, and CoQ10.
I find labels on supplement bottles misleading. For example, an L-theanine label says 200 mg on the front but the back says each pill contains just 100 mg, but a serving is 2 capsules. Is this legal?
Learn more about misleading supplement labels and legality, including labels that say "formulation," "blend," or "complex."
How much bone broth do I need to consume in order to get a benefit?
Bone broth daily consumption information and benefits, including how much protein and collagen ConsumerLab found in popular products. ConsumerLab.com's answer explains.
I'm interested in using Himalayan salt. What are the health benefits with it and other specialty salts? Are there contaminants in these salts?
Himalayan salt health benefits, along with other gourmet salts like Hawaiian and Mediterranean. Info including what's in them and their safety.
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.
What are the best supplements for insomnia? Are there any supplements that interfere with sleep?
Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.
Do any supplements help for irritable bowel syndrome (IBS)?
IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.
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.
What are the best supplements for depression and anxiety?
Best natural supplements for depression and anxiety, including the evidence for fish oil, vitamin D, probiotics, and herbal supplements for depression such as curcumin (from turmeric) and saffron.
Does Z-Stack multivitamin work to boost the immune system, and is it safe?
Find out about Z-Stack, including if it can help boost the immune system and if it is safe to use at the suggested dose.
Which ingredients should toothpaste contain, and which should be avoided?
Learn about ingredients you want in your toothpaste and which ingredients you may want to avoid.
What is the best way to take melatonin to get a good night's sleep?
Learn more about the best way to take melatonin for better sleep. When to take it, how to take it, and general melatonin information.
Is there a risk of liver toxicity with certain supplements?
Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.
My doctor told me to stop taking supplements because my kidney function was low. After stopping, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
Find out which supplements may damage your kidneys. ConsumerLab explores possible kidney side effects of supplements including chromium, creatine, and vitamin C.
What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?
Phytoceramide supplement information, including what they are, what they claim to do, and if they have anti-aging effects.
Can lysine, vitamin B-12, or other vitamins or minerals help prevent or reduce canker sores?
Lysine, B12, zinc and other vitamins and minerals for canker sores. Find out what supplements can help prevent or reduce canker sores.
What are the health benefits of grapefruit seed extract (GSE)? Is it safe?
Learn more about grapefruit seed extract health benefits, including its possible antifungal and antibacterial effects and its safety.
Do vitamin patches, such as for B12 or multivitamins, really work? How about those from PatchMD?
Do vitamin B12 Patches like PatchMD really work? Can you absorb vitamin B12 through patches?
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 and glaucoma? Find out if caster oil eye drops are safe to use, and if they help for other conditions. ConsumerLab.com's answer explains.
Which supplements can cause constipation?
Find out which supplements can cause constipation, including iron, calcium, protein powders and drinks and others. ConsumerLab.com's answer explains.
How good are sardines? Are they healthy and safe? What did CL's tests find?
Find out amounts of omega-3s (DHA and EPA), protein, and vitamin D in sardines, as well as contaminants mercury and arsenic based on ConsumerLab's tests.
Will 7-keto DHEA help me lose weight?
Learn more about 7-keto DHEA supplements for weight loss, including clinical results.
I heard somewhere to avoid chocolate with "processed with alkali" in the ingredients. Is that true?
Learn more about cocoa processed with alkali ("dutched") and its effect on flavanols.
What is the best sunscreen based on safety and efficacy?
Two different carcinogens, benzene and benzophenone have been found in popular sunscreens. These cancer-causing compounds are not listed on labels. Get the details and find out which sunscreens have been found to contain benzene and benzophenone.
Do supplements help with Parkinson’s disease treatment or prevention?
Learn what has been shown with vitamins D and E, niacin, CoQ10, melatonin, creatine, SAMe, NAC, valerian, CoQ10, and CBD, as well as with coffee and the Mediterranean and MIND diets for treating and/or preventing Parkinson's disease.
Can any supplements reduce or increase the risk of kidney stones?
Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.
Why is there so much cadmium, a toxin, in cocoa powders but not in dark chocolate?
Learn more about the presence of the toxic heavy metal cadmium in cocoa powder and dark chocolate.
What is Brain Bright and can it really improve memory or cognition?
Learn more about BrainBright, including clinical studies on memory and cognition, safety, and cost.
Can vitamin supplements strengthen brittle nails?
Learn more about strengthening brittle nails with vitamin B-7 (biotin), based on clinical evidence.
Does collagen taken as a supplement help with arthritis? I'm seeing it in products for joint health.
Learn more about collagen supplements, including evidence from clinical studies on arthritis and muscle strength and safety.
Does AZO Bladder Control really work for overactive bladder?
AZO Bladder Control information, including results from clinical studies on bladder control, dosage, and safety.
I've heard that having low B-12 or B-6 can cause depression. Is that true?
Find out if vitamin B12 or B6 deficiency can cause depression and how they can affect antidepressants.
I read that famotidine (Pepcid) may help treat COVID-19. Is this true? Might a proton pump inhibitor, like Prilosec, help?
Pepcid (famotidine) was reported to improve outcomes in people with COVID-19 in China. But is there evidence that Pepcid really helps to treat COVID-19?
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.
Can I get the new coronavirus (2019-nCoV) from supplements from China?
Information about catching the coronavirus from supplements from China, plus info on contamination with heavy metals like lead and more.
What are the side effects of ashwagandha supplements?
Learn about the safety and side effects of ashwagandha supplements, including headache, sleepiness, upset stomach, blood pressure and more. ConsumerLab.com's answer explains.
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.
Which supplements can help to lower blood pressure?
Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.
Which supplements are helpful for age-related macular degeneration (AMD)?
Find out which vitamins & supplements are helpful for macular degeneration (AMD), such as lutein, zeaxanthin, and others used in the AREDS studies.
I read that aging lowers the body's capacity to produce vitamin D from the sun and one may have to take a vitamin D3 supplement during old age to meet regular requirements. Please comment on this.
Learn more about the effects of aging on the body's ability to produce vitamin D.
Is cinnamon dangerous for my liver? I put about a teaspoon of it in my oatmeal every day.
The most common form of cinnamon contains a naturally occurring liver toxin called coumarin. Find out how much cinnamon is safe to consume, and how often it can be consumed. Also learn how much coumarin ConsumerLab found in popular cinnamon and spices.
I've been taking a Daily Advantage multi but am now concerned by the very high % DV for vitamin C (833% DV), niacin (325% DV), and B vitamins (over 1,000% DV for several). What do you think?
Learn about the safety of taking multivitamins containing far more than Daily Values, including upper and lower limits for nutrients.
Sometimes my powdered supplements get clumpy. Should I be concerned?
Learn more about how powdered supplements compare to capsules and if clumping is worrisome.
After taking a curcumin supplement, I started getting chronic diarrhea which went away when I stopped taking it. Can curcumin supplements cause diarrhea?
Learn more about the side effects of curcumin supplements, including diarrhea and other gastrointestinal discomfort.
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.
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.
Can glycine improve sleep or reduce nighttime urinary frequency?
Can glycine really help improve sleep? Lean more about glycine and its uses and benefits.
Do either phosphatidylserine or phosphatidylcholine help with memory and cognition? How are these supplements different?
Find out if phosphatidylserine or phosphatidylcholine supplements improve memory and cognition.
What is Noopept? Can it really improve memory and cognition, and is it safe?
Learn more about Noopept, including results from clinical studies on cognition, safety, and dosage.
Which are the best non-prescription hearing aids? Are any of these low-cost devices as good as more expensive, prescription hearing aids?
Non-prescription hearing aid reviews, including MD Hearing Aid, Eargo Hearing Aid, Liberty Hearing Aid, etc. Compare quality & cost with prescription hearing aids.
Do "Mr. Happy Stack" supplements improve memory, cognition and mood, and are they safe?
Find out if Happy Stack supplements really work to enhance memory and cognition, plus safety and side effects. ConsumerLab.com's answer explains.
I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?
Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole (Prilosec) and Nexium.
Have you heard of the probiotic, Keybiotics? Does it do what it claims, and is it worth the money they charge?
Whole Body Research Keybiotics probiotic information, including its ingredients and possible cheaper alternatives.
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.
Do any supplements, like Nervive, help with nerve pain, like sciatica or diabetic neuropathy?
Find out which supplements for nerve pain are effective. Sciatica & diabetic neuropathy may be helped, including fish oil and alpha-lipoic acid.
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.
How do I choose the best probiotic supplement? There are so many different strains of bacteria!
Information on how to choose the best probiotic supplement based on safety and our lab test on probiotic bacteria content.
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.
What are trace minerals and do I need them?
Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.
Is it true that there is no point in taking fish oil supplements for heart health?
Taking fish oil for heart health may be a benefit. Learn more about omega fatty acids from fish oil and it's impacts.ains.
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.
I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research?
Find out how to pick the best multivitamin for you and your family, based on diet, price, and effectiveness.
I've tried a number of fish oil supplements, all of which make me nauseous. What is the best non-fish alternative? I am primarily interested in getting EPA.
Learn how to reduce fish oil side effects such as nausea and upset stomach.
Which is the best form of magnesium to take - one that contains the most magnesium and is best absorbed?
Info on which is the best form of magnesium supplements to take and what to look for when choosing the best magnesium supplement. ConsumerLab.com explains.
Do any supplements help prevent or treat osteoporosis?
If you have osteoporosis, you may be interested in supplements for bone health. Find out which supplements can increase bone strength and density.
Is it safe to take curcumin or turmeric supplements for a long period of time?
Information on the long-term effects of curcumin or turmeric supplements. Find out if curcumin and turmeric is safe to take for long periods. ConsumerLab explores these questions.
I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?
Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.
Is there a danger in taking lecithin or phosphatidylcholine? I heard that they may increase the risk of heart attacks.
Lecithin, phosphatidylcholine and choline - Learn more about the potential link between them and cardiovascular disease.
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
Learn more about the benefits of getting vitamins from food versus supplements, natural versus synthetic vitamins, and more.
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).
Can heat and humidity destroy whey protein and other sports nutrition supplements (e.g., creatine, BCAAs, digestive enzymes) during shipping or while storing at home?
Find out if heat and humidity can degrade creatine, BCAAs, digestive enzymes, and other muscle enhancing supplements.
I eat one to two cups of Greek yogurt every day. Do I still need to take a probiotic supplement?
Find out if eating Greek yogurt is sufficient to obtain probiotics, or if supplements can still help.
I live in Canada. Does ConsumerLab.com ever test Canadian products?
Find out which Canadian products ConsumerLab.com has tested, including Jamieson, Natural Factors, Webber Naturals and Lacteeze. Our answer explains.
Is it true that there are bits of plastic in drinking water and specialty salts? How concerned should I be?
Microplastics are tiny pieces of plastic that can end up foods and beverages. Learn about microplastics found in drinking water and specialty salts. ConsumerLab.com's answer explains.
What is inositol hexaphosphate (IP6) and myo-inositol? Are they helpful in treating cancer or other conditions?
Inositol hexaphosphate (IP6): Find out if IP6 (also known as phytic acid) can prevent or treat cancer. Clinical evidence, dosage, safety and how IP6 differs from myo-inositol. Consumerlab.com's answer explains.
What are the health benefits of stevia? Is it safe?
Learn more about the health benefits of stevia and whether it is safe. ConsumerLab.com's answer explains.
Which supplements reduce the risk of stroke? Which increase the risk of stroke?
Find out which supplements (may help reduce the risk of stroke/might increase the risk of stroke.)
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.
Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.
I take St. John's wort for depression. Your report notes that it can interact with other medications. Would taking it several hours apart from other meds avoid this interaction?
St. John's wort (Hypericum perforatum) can interact with other medications, but can this be avoided by spacing out the dosages?
Can I just stop taking alpha lipoic acid, or do I need to taper down?
Learn the best way to stop taking alpha lipoic acid supplements.
Have any supplements been shown to increase women's libido?
Learn more about supplements that may increase women's libido, including DHEA and maca.
Is it true that fish oil is better absorbed when taken with a fatty meal?
Find out if it's better to take fish oil supplements with a meal or on an empty stomach to maximize their absorption.
What are the health benefits of amla and is it safe?
Learn about amla (Indian gooseberry), including its potential health benefits and possible safety concerns.
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.
How Should You Take Care of Yourself After You’ve Had COVID-19?
Find out the best way to care for yourself when recovering from COVID-19, including how long you should quarantine, whether you should get vaccinated, when it is safe to undergo a surgery, and how to spot and, possibly, improve lingering symptoms.
What is GABA (gamma-aminobutyric acid)? Is it beneficial for stress, anxiety, insomnia or other conditions, and is it safe?
Find out about GABA (gamma-aminobutyric acid), including if it's beneficial for insomnia, epilepsy, stress and anxiety, high blood pressure and building muscle, and learn if taking GABA supplements is safe.
What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?
Shilajit information, including its potential health benefits, safety, proper doses and impact on male health.
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.
Is Hershey's Special Dark better than other dark chocolate bars or cocoa powders?
Find out if Hershey's Special Dark Chocolate bar is better than other dark chocolate bars or cocoa powders, including flavanol content, contamination with lead or cadmium and other tests of quality. ConsumerLab.com's answer explains.
When is the best time of day to take a multivitamin?
Find out the best time of day to take your multivitamin for best absorption of vitamins and minerals, whether you should take your multi with food, which vitamins and minerals may inhibit the absorption of other vitamins and minerals, or medications. ConsumerLab.com's answer explains.
Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more.
Are there any multivitamins that contain only the recommended daily vitamins and minerals? Choose the best multivitamin based on age & gender.
What are the health benefits of bone broth, and which bone broth is the best?
Learn about the health benefits of bone broth, a good source of protein and collagen, including whether bone broth can help for joint pain or osteoarthritis, improve skin or reduce wrinkles, heal the gut or boost the immune system. Plus, see ConsumerLab.com's tests of popular bone broths, find out how much collagen they contained, and which bone broths are best.
Does arnica gel, cream, or spray reduce bruising, pain, or swelling?
Find out if arnica gels, creams, or sprays can reduce bruising, pain, or swelling, help with varicose veins, or muscle pain after exercise. ConsumerLab.com's answer explains.
Can beetroot juice improve my workout performance?
Find out if beetroot juice can help improve exercise endurance or performance, how it works, the clinical evidence, and cautions.. ConsumerLab.com's answer explains.
Do diamine oxidase (DAO) supplements for histamine intolerance really work?
DAO supplement info for histamine intolerance, including diamine oxidase safety, evidence from clinical studies, and dosage.
Are supplements such as Thyroid Care Plus helpful for hypothyroidism? Can supplements worsen thyroid function? And what is nascent iodine?
Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.
The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?
Learn more about the harmful effects from too much folic acid, including increased risk of prostate cancer and kidney damage.
What is magnesium stearate, what is it made from, and is it dangerous?
Learn more about magnesium stearate and its safety, based on evidence from clinical studies.
Are enteric coated supplements better than non-enteric coated ones?
Learn about the pros and cons of enterically coated supplements, including ingredient absorption,safety and price.
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.
Should I be worried that my supplement contains "caramel coloring IV"? I've heard that it has been linked to cancer.
Learn more about caramel coloring IV, including evidence from studies on cancer.
I read an article stating that some of the ingredients in Centrum multivitamins may be dangerous or toxic. Is that true?
Learn more about the safety of ingredients in Centrum, including binders, fillers, and coloring agents.
Is it true that most coffee is contaminated with mold?
Learn more about mold toxins that may be present in coffee, including mycotoxins, aflatoxin B1, and ochratoxin A (OTA).
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.
Is it true that some vitamins or supplements can cause cancer?
Learn more about the effects of certain vitamins and supplements on cancer, including beta-carotene, vitamins E and B9, and multivitamins.
What are the health benefits of olive leaf extract?
Olive leaf extract is promoted to help lower blood pressure and cholesterol levels, lower blood sugar levels and improve insulin function, reduce joint pain, and other uses. Find out if it really works, see the clinical evidence, and learn about side effects and drug interactions with olive extract.
5 Tips for Finding a Soap or Body Wash That Won't Irritate Skin
Get 5 tips for finding soap or body wash that won't cause skin irritation. See which soaps we rate best, ingredients to avoid, and phrases on labels that can mislead.
If I buy NAC as a loose powder in a large bag, as opposed to in tablet form, will it spoil? I've heard it can spoil or degrade into a harmful by-product.
Learn more about the different forms of N-Acetyl-Cysteine (NAC), including whether or not powder will spoil faster than tablets.
Is quercetin helpful for a specific condition? I see it as an ingredient in several different types of supplements.
Learn more about quercetin, including the benefits of quercetin and other evidence from clinical studies on prostatitis and memory.
How much fat is there in chocolate? Is it saturated fat?
Learn more about the fat content in dark chocolate & milk chocolate, how much is saturated, and serving size.
What is the difference between natural and synthetic astaxanthin?
Learn more about astaxanthin and the different forms of it (BioAstin, AstaPure, AstaSana, etc.) and their effects in the body.
Do reishi mushroom supplements boost the immune system, or have other health benefits?
Learn more about the health benefits of reishi mushroom extract supplements, including evidence from clinical studies on cancer and diabetes, plus information about safety and price.
I have been having neurological symptoms. My blood test showed a toxic level of vitamin B-6. My multivitamin contains 75 mg of B-6 -- below the upper limit of 100 mg. Is the label wrong?
Find out if multivitamins contain excessive amounts ofvitamin B-6, symptoms of vitamin B-6 toxicity, and the daily Tolerable Upper Intake Level for B-6.
Can white kidney bean extract really help me lose weight?
Does white kidney bean extract help promote weight loss? Find out more including evidence from clinical studies and dosage.
Can I trust ConsumerLab.com? How are its tests paid for?
Learn more about ConsumerLab.com's clinical testing policy and procedures, including information on our independent testing and product reviews. Our answer explains.
I'm over 50 and looking to take a vitamin B-12 supplement. Many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?
Looking to see if the cyanocobalamin form of vitamin B-12 is safe? Read research and safety information on ConsumerLab's report.
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.
Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?
Find out which supplements may help after weight loss or stomach reducing surgery, including iron and calcium, and which should be avoided.
I have to be careful about my sodium intake. Could my glucosamine and chondroitin supplement contain hidden sodium?
Find out if glucosamine and chondroitin supplements contain hidden sodium and why.
I'm thinking of changing my multivitamin, but the one I'm considering doesn't contain molybdenum. Most others have it. How important is molybdenum?
Learn more about the essential nutrient molybdenum, including foods that contain it and possible deficiency.
I've read about several different forms of SAMe. Is one form better than another?
Learn about the various types of SAMe (S-adenosyl-L-methionine) supplements, along with their benefits for hormones & cell membrane health.
Do brain games and apps really work and improve memory?
Find out if brain training games & apps, like Lumosity & BrainHQ, really work to train the mind and improve memory. ConsumerLab.com's answer explains.
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.
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.
Do any supplements help for restless legs syndrome?
Find out whether supplements or vitamins like iron, magnesium, vitamin E and others can help for restless leg syndrome (RLS). ConsumerLab.com's answer explains.
Are lithium orotate supplements as effective and safe as prescription lithium for bipolar disease and depression?
Lithium orotate supplement info, including proper dosage, safety, and how lithium orotate supplements compare to prescription lithium for bipolar disease and depression.
Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
Information about lemon juice, lemonade, orange juice, cranberry juice and other juices for increasing urinary citrate and reducing the risk of kidney stones.
Can beetroot juice or supplements help lower my blood pressure?
Learn more about beetroot juice and beetroot supplements and if beetroot can really help lower blood pressure.
What is Prelief? Does it really help for heartburn and/or bladder pain from acidic foods?
Prelief information, including what it has been claimed to do (such as helping with painful bladder, frequent urination, heartburn or indigestion from acidic foods), clinical evidence, and safety.
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.
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.
What are the health benefits of bovine colostrum and is it safe?
Bovine colostrum is promoted for boosting immunity, preventing and treating diarrhea, and improving gut health, but does it really work? See the clinical evidence for bovine colostrum, including doses that have been used, as well as safety concerns, cost considerations, and the difference between regular bovine colostrum and hyperimmune bovine colostrum.
Is it true that magnesium can make coffee taste better?
Find out if magnesium in your coffee can improve its taste and if it matters whether the magnesium is added before or after brewing.
Can drinking coffee weaken bones or make arthritis worse?
Learn about the effects of coffee intake on bone mineral density, risk of osteoporosis, and risk of fracture. Also, find out if drinking coffee might increase the risk of arthritis or worsen symptoms.
What is the difference between the "Best By" date and the "Date of Manufacture" on a supplement label? How do I know how long my supplement will last before it "goes bad"?
To understand if your vitamins and supplements expire, learn more about the "Best By" and "Date of Manufacture" dates on labels.
There are many reports of lead contamination in turmeric spice. How can I make sure I'm not getting lead in my turmeric supplement or spice?
Find out how to avoid contaminated curcumin and turmeric supplements and spices, and see our Top Picks in our Curcumin/Turmeric Product Review.
Does Carditone work to lower blood pressure?
Carditone information, including safety and side effects, whether Carditone has been shown to work for blood pressure and angina, and more.
Can CoQ10 or ubiquinol be ruined by heat? I recently purchased several bottles of Qunol Plus from Costco.com and they arrived hot. The soft gels are not melted, but I am concerned.
Find out whether your CoQ10 or ubiquinol supplement can be destroyed by heat during shipping and at what temperature CoQ10 softgels can melt. ConsumerLab.com's answer explains.
What is the difference between cocoa and cacao? Is one better than the other?
Learn about the difference between cocoa vs. cacao, including cocoa powder, cocoa extracts, cocoa liquor, and cacao nibs. Information about benefits, caffeine, theobromine in cocoa and cacoa, differences between dark chocolate and milk chocolate. ConsumerLab.com's answer explains.
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.
I'm taking Lumiday, a supplement to improve mood. It seems to help me but is it safe?
Lumiday info including side effects, drug interactions and reviews. Lumiday is a supplement marketed to improve mood.
Is it best to take probiotic supplements with or without food? It seems like everyone has a different recommendation.
When is the best time to take probiotic supplements? Learn if you should take your probiotic with or without food.
If I already take red yeast rice, would adding high-dose niacin help further reduce my cholesterol levels, and would this be safe?
Learn more about the effect of combining red yeast, statins and high-dose niacin on cholesterol and safety.
What is Skinny Fiber and does it really work? I see that glucomannan is a key ingredient. What is that?
Learn more about Skinny Fiber, including its key ingredient glucomannan, evidence from clinical studies, dosage info, and safety.
Are there supplements that can reduce prostate size?
How to reduce prostate size using supplements for benign prostatic hyperplasia (BPH), including beta-sitosterol and saw palmetto.
Are CoQ10 and ubiquinol safe to take for a long period of time? Should I give it a rest period?
CoQ10 and ubiquinol supplements safety tips - including dosage, side effects, drug interactions and prolonged usage.
Can vitamin K2 really help decrease calcium in the arteries?
Learn more about vitamin K2 and the impact on calcium in the heart and arteries, and find out if vitamin K can help with coronary heart disease.
Do any supplements help relieve stress?
Are there actually supplements for stress relief and panic attacks? Learn more about holy basil, fish oil, L-theanine, and ginseng.
Do essential amino acid (EAA) supplements help build muscle better than dietary protein or protein supplements?
Comparison of essential amino acids vs dietary protein and protein supplements for building muscle.
Which is the best pulse oximeter for home use?
Best pulse oximeter for home use (COVID-19, asthma and COPD). Differences between home use and FDA-approved medical pulse oximeters.
Which vitamins and minerals should be taken together or separately?
Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the best way to take vitamins and minerals.
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?
Which supplements can help with arthritis?
Learn more about collagen supplements for joint health, including evidence from clinical studies on arthritis and muscle strength and safety.
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
What is Perque Bone Guard Forté? It is safe and effective for bone health?
Find out about the ingredients in Perque Bone Guard Forté, including which ingredients may be beneficial for osteoporosis and bone health and which may be a safety concern.
Does Neuriva improve memory or cognitive function?
Find out about Neuriva, its ingredients, and the evidence for or against it for memory and cognitive function.
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.
Do lion's mane supplements improve memory or cognitive function in older adults?
Lion's mane has been studied for its effects on cognitive function and memory, but its effects are still unclear.
When choosing a vitamin C supplement, should you look for one that is "reduced," "L" form (l-ascorbic acid), or "natural"?
Are supplements containing "natural" vitamin C, "reduced" vitamin C, or l-ascorbic acid better than regular vitamin c or ascorbic acid supplements? Find out if these forms are better absorbed or have other advantages, plus, learn about buffered and slow-release forms of vitamin C.
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.
Are lozenges and sublingual pills considered dietary supplements?
Learn more about lozenges and sublingual pills (such as echinacea, zinc and B12) including safety warnings.
Do glutathione supplements work to prevent aging or for other conditions?
Do glutathione supplements help with aging or other conditions such as cancer and diabetes?
Now that it was shown that Ginkgo biloba is not an effective memory enhancer, are there any other health enhancing benefits from taking it, and, if so, what dose should one take daily?
Find out what Ginkgo Biloba can and can't do. Find out the health benefits and correct daily dosage.
Which supplements help to improve energy and decrease fatigue?
Energy supplements and vitamins - Some can help increase energy and reduce fatigue, including CoQ10, curcumin/turmeric, cocoa, and B vitamins.
How much dark chocolate equals a tablespoon of cocoa powder?
Learn how much dark chocolate will give you the same intake of flavanols as a tablespoon of cocoa powder.
How does regular black pepper compare with black pepper extract used in supplements? Will sprinkling it on food with turmeric help increase the bioavailability of curcumin compounds from turmeric?
Find out how black pepper extract in supplements compares with regular black pepper added to foods with turmeric.
Can bloodroot or "black salve" treat skin cancer? Is it safe?
Bloodroot salve and black salve made from bloodroot and zinc - are they effective and safe treatments for skin cancer? ConsumerLab.com's answer explains.
Are there drug interactions with magnesium supplements?
Find out about interactions between magnesium supplements and over-the-counter antacids and laxatives such as Maalox, antibiotics, and statins and diabetes medications. ConsumerLab’s answer explains.
I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?
CYP3A4 inhibitors, such as grapefruit, can interact with certain medications by inhibiting the liver enzyme that metabolizes many drugs. ConsumerLab.com's answer explains.
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.
I read that statins can cause diabetes. Is this true also with red yeast rice?
Find out if red yeast rice supplements increase the risk of diabetes, as some statin medications do. ConsumerLab.com's answer explains.
What are the best ways to prevent tick bites? Is permethrin safe?
Find out how permethrin sprays differ and which can be used on sheets and sleeping bags versus clothing
Can I take CoQ10 at the same time as my statin, or should I take them separately?
Taking CoQ10 and statins (such as lovastatin and simvastatin)? Find out if you can take them at the same time or if they should be taken separately. ConsumerLab.com's answer explains.
Can hemp oil or CBD (cannabidiol) supplements cause me to fail a marijuana drug test?
Find out if you can fail a drug test dues to hemp oil or CBD (cannabidiol) supplements. Plus info on how much THC is in hemp oil and CBD products. ConsumerLab.com's answer explains.
Coromega Max claims it is uniquely emulsified to provide 300% better absorption than standard fish oil softgels. Is this true? It's more expensive than many fish oils.
Find out if Coromega is better absorbed than other fish oil supplements. ConsumerLab.com's answer discusses omega-3 absorption and a study comparing Coromega and regular fish oil.
Does taking curcumin and boswellia together increase their individual anti-inflammatory effects?
Find out if taking boswellia and curcumin together can increase their individual anti-inflammatory effects. ConsumerLab.com's answer explains.
I developed a rash after taking an iron supplement and then realized the supplement contained soy, to which I am allergic. Can your reports help me avoid soy and other allergens in supplements?
Learn how to avoid supplements with soy, and other allergens, for those with allergies.
Is Modified Citrus Pectin (MCP) helpful for prostate or breast cancer?
Modified Citrus Pectin (MCP) information including its effects on cancer, such as prostate cancer, and more.
Have you evaluated a multivitamin by Vita Logic called Daily Extra?
Information about the multivitamin Daily Extra from Vita Logic, including nutrient content.
Is Rhodiola rosea effective for depression and does it have other uses? Will ConsumerLab.com be testing these supplements?
Learn more about Rhodiola rosea, it's impact on depression and anxiety, including evidence from clinical studies and safety.
How much caffeine is really in dark chocolate bars?
Just how much caffeine is really in chocolate bars? Get our test results on the caffeine content in dark chocolate and cocoa powder.
I take ubiquinol to replenish CoQ10 depleted by my statin. I also take curcumin (from turmeric). Since they both manage free radicals, do I need to take the curcumin?
Learn more about the effects of curcumin (turmeric) and ubiquinol (CoQ10), including their shared antioxidant properties and many differences.
With probiotics, how many CFUs should I look for as the dose? Is more necessarily better?
Learn more about the proper amount of cells or colony forming units (CFUs) a probiotic should contain, including if more is always better.
My dog is getting older and his veterinarian recently recommended giving him a glucosamine supplement for his joints. Has ConsumerLab.com tested these, or other supplements for pets?
Find out our test results on glucosamine for dogs and cats as well as other supplements for pets.
Can chocolate and cocoa powder cause eczema?
Does chocolate and cocoa cause eczema? Find out more, including information about nickel and nickel allergies.
Is there a difference between taking vitamin D in the dry form versus the oil capsules? Is one better than the other?
Learn more about how to take vitamin D, the best form to take and the best time of time day to take vitamin D.
Which "whole food" multivitamins don't include synthetic vitamins? How about Complete Foods, Sunwarrior, Garden of Life, Nature's Brands, and Doctors' Research?
Find out which "whole food" multivitamins are only from foods and which include synthetic vitamins, including Complete Foods Nutrition-OctoMega MultiVitamin; Sunwarrior; Garden of Life-MyKind Organics; Nature's Brands-PhytoVitamins; Doctors' Research MultiVitamin.
What are the benefits of grape seed extract?
Learn about the health benefits of grape seed extract, and find out it improves venous insufficiency, leg swelling, swelling after surgery, or can help to lower blood pressure.
What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?
Learn the health benefits of coconut oil and medium chain triglycerides (MCTs), including evidence from Bulletproof Coffee, clinical studies on obesity, skin, and Alzheimer's disease.
Is there evidence that d-limonene can help fight cancer?
Find out if d-limonene can help fight cancer or help for GERD (gastroesophageal reflux disorder), including evidence from clinical studies.
What is UC-II and does it help joints?
What is UC-II (undenatured type 2 collagen - InterHealth Nutraceuticals) and do clinical studies show that it works for joint health?
What Is Marine-D3 and does it live up to anti-aging claims?
Learn more about Marine-D3, a supplement from Marine Essentials, including evidence from clinical studies on aging.
Is it safe to consume fish oil as a long-term food supplement?
Learn more about fish oil supplement safety including long-term use, side effects, and more.
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.
Does Oral-B Glide or other dental floss contain toxic chemicals called PFAS? Where else are PFAS found, and how can I avoid them?
Some brands of dental floss, including Oral-B Glide, may contain potentially toxic chemicals known as PFAS (polyfluoroalkyl substances), according to one study. Get the details in ConsumerLab's 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.
Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?
Find out if collagen & hyaluronic acid supplements really help for aging or wrinkled skin and for skin care.
Is it true that low-carb or Mediterranean diets help for gastroesophageal reflux disease (GERD)?
Find out if a low-carb diet, such as the Mediterranean diet, or lifestyle changes help with gastroesophageal reflux disease (GERD).
Does Restore (Bionic Sciences LLC) really improve gut health? What is in Restore?
Learn more about Restore, including clinical studies on gut health, dosage, cost, and safety.
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.
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.
Do any treatments reduce the risk of infection after you've been exposed to someone with COVID-19?
REGEN-COV, a combination of two monoclonal antibodies (casirivimab and imdevimab) is currently the only FDA authorized treatment for post-exposure prophylaxis for COVID-19. Learn more about this treatment to reduce the risk after exposure to COVID, how well it works, safety, who can take it and how to get REGEN-COV.
What does "Contains a Bioengineered Food Ingredient" mean on the label of a supplement or food? Should I be concerned?
Learn about bioengineered ingredients in foods and dietary supplements, where to find a list of bioengineered foods and what to look for on labels, as well as where you can find information about bioengineered ingredients in dietary supplements in ConsumerLab's product reviews.
Are light boxes effective for preventing and treating seasonal affective disorder (SAD), also known as "winter depression," or circadian rhythm disorders such as jet lag? Which light boxes are best?
Learn about the benefits and safety of light boxes (including who is most likely to benefit), how to use these devices, which commercially available products appear to meet the technical requirements, and who should not use light boxes.
Does urolithin A reduce age-related muscle decline?
Find out if urolithin A may improve age-related muscle decline and learn about its safety.
Are there negative interactions between the following supplements and 60 mg of beta-sitosterol with dinner: Vitamin C (500 mg), CoQ10, grape seed extract, fish oil, vitamin D3/calcium/magnesium/zinc?
Learn about drug interactions & proper dosages for supplements such as CoQ10, vitamin D & C, fish oil, magnesium, zinc and grape seed extract.
Is it okay to buy supplements as tablets? I've heard that tablets may go through our system without dissolving. Is there any way to know whether tablets will properly dissolve?
Find out if supplements taken as tablets dissolve well in the body, including our test results on disintegration.
Is it better to buy supplements which are combination formulas or single-ingredient?
Find out if combination formulas or single-ingredient individual supplements are better and why.
Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example?
Find out which fats and oils, such as coconut oil and fish oil, lower cholesterol and lower the risk of cardiovascular disease.
Tablets I purchased are becoming "crumbly" after a few weeks and are easy to break. Is there a problem with this supplement?
Should you be concerned if your supplement tablets have started to crumble? Learn more including the best way to keep pills from getting soft.
What is the difference between the RDA and the DV for vitamins and minerals?
Find out the difference between RDAs (Recommended Daily Allowances) and DVs (Daily Values) for vitamins and minerals, as well as new changes to Daily Values. ConsumerLab.com's answer explains.
How can I get the equivalent of 20 ml of extra virgin olive oil (4 teaspoons) as oleic acid capsules?
Info on taking extra virgin olive oil as a supplement in pill form. ConsumerLab.com explains.
Do you need to take vitamin K when taking vitamin D?
Find out if you need to take vitamin K when taking vitamin D and how this effects coronary artery calcification. Also learn if vitamin K supplements can reduce other harmful effects of high-dose vitamin D.
Is kratom too dangerous to use?
Find out if kratom is safe/legal to use, including potential adverse effects, such as agitation, rapid heartbeat, nausea, drowsiness, seizures. ConsumerLab.com's answer explains.
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.
What are CoQ10 side effects?
CoQ10 side effects, such as nausea, headache, and insomnia, and how you can reduce the occurrence of CoQ10 side effects. ConsumerLab.com's answer explains.
As vitamin D is a fat-soluble vitamin, why is it necessary to take it every day?
Find out how best to take vitamin D supplements, including cautions on overdoses.
Must I take amino acid supplements on an empty stomach? Can I take them with other amino acids or with food to help with swallowing capsules?
Find out if you should take amino acid pills on an empty stomach or with food in order to maximize absorption, and more about the best way to take amino acid supplements.
Does yacon syrup decrease appetite or help with weight loss? How do I find a quality brand?
Can yacon syrup can help with weight loss? Learn more, including clinical evidence, side effects, and dosage.
What is Lutigold Lutein? And why is the capsule of one brand of lutein so much larger than that of another brand, if the amount of lutein on the label is the same?
Learn more about lutein supplements like Lutigold, FloraGlo, and XANGOLD, and understand the difference in capsule sizes.
Do I need to divide my daily 300 mg dose of CoQ10 into smaller doses, or can I take it all at once?
Find out when to take CoQ10 supplements. Should you take CoQ10 at once, or in smaller doses? Understand the best way. ConsumerLab.com explains.
I have low blood pressure. Are there any supplements I should avoid?
Find out which supplements can cause decreases in blood pressure, including melatonin, arginine, magnesium, and calcium.
What is desiccated beef liver? What is it used for, and is it safe?
Description of desiccated beef liver, including what it is used for, its nutrient content, and safety concerns.
I drink organic milk with added DHA Omega-3, but it is expensive. Is it worth paying extra for the added DHA?
Find out if drinking organic milk with added DHA omega-3, such as Horizon Organic Milk, is worth paying more.
I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too?
Find out if rice bran oil can contain high levels of arsenic like whole rice and other rice products do.
My doctor warned me that red yeast rice can cause liver damage - is that true?
Can red yeast rice cause liver damage? More information on its effects, including possible danger to the liver and kidneys.
Do any supplements help for flu?
Which supplements may help prevent or reduce symptoms of colds or the flu, including vitamin D, ginseng, NAC, and elderberry.
Once I've taken probiotics for a few months, will the positive bacteria remain in my system, or do I have to keep taking them?
Find out how long you should take probiotics through understanding how long the positive bacteria remain in the system.
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.
What is the benefit of magnesium orotate compared to other forms of magnesium?
Find out if magnesium orotate is the best form of magnesium for supplements, including safety concerns.
What is CELLFOOD and is it a healthy supplement?
Learn more about CELLFOOD (NuScience Corporation), including if the claims to improve athletic performance, fibromyalgia, weight loss, and cancer are true.
What are the side effects of curcumin and turmeric?
Do curcumin and turmeric supplements have possible side effects? Get information about drug interactions with curcumin and turmeric supplements and more. ConsumerLab.com's answer explains.
Why is iron not in many multivitamins? How can I find one that does contain iron?
Iron in multivitamins - Find out why many multivitamins do not contain iron, and how to find a quality multivitamin that does contain iron.
Can taking too much fish oil be dangerous?
Find out if too much fish oil can be dangerous, and if taking too much fish oil can cause effects such as suppressing the immune system, thinning the blood (increasing the risk of bleeding), increasing levels of LDL cholesterol and liver enzymes or increasing the frequency in episodes atrial fibrillation. ConsumerLab.com's answer explains.
Can I use a home test for mercury to check for mercury in fish, like canned tuna, fresh fish, and sushi?
Find out if home mercury test kits can be used to test fish, such as canned tuna, fresh fish or sushi for mercury contamination. Plus, find out how much mercury ConsumerLab found in popular canned tuna and canned salmon. ConsumerLab.com's answer explains.
I have IBS and don't want to take medication if I can help it. I've heard that peppermint works for IBS, but is there good research to support this?
Information about using peppermint oil for irritable bowel syndrome (IBS), including clinical evidence, dosage, safety and more.
Does I3C (from broccoli) or DIM (a related chemical) reduce the risk of cancer?
Find out if the compound indole-3-carbinol (I3C), from broccoli, and its metabolite diindolylmethane (DIM) can reduce the risk of cancer. ConsumerLab.com's answer explains.
Which supplements can cause diarrhea?
Can supplements like magnesium cause diarrhea? Find out which supplements may cause diarrhea, such as vitamin B12, curcumin, magnesium, vitamin C and fish oil.
Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
Find out if there are any supplements that should be avoided when taking acetaminophen (Tylenol).
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.
Which supplements help with Raynaud's phenomenon?
Raynaud's phenomenon may be helped by some supplements. Learn more about fish oil, Gingko biloba, and ginseng.
What is graviola? Can it really help fight cancer?
Learn more about graviola, if it can really help fight cancer, and its safety.
How to Reduce Lightheadedness and Dizziness When Standing Up (Orthostatic Hypotension)
Learn about movements that can reduce lightheadedness and dizziness that can occur from a drop in blood pressure upon standing (initial orthostatic hypotension). Plus find out if supplements such as vitamin D and CoQ10 may help.
Which deodorants and antiperspirants are contaminated with benzene and which are not?
Benzene, a carcinogen, has been detected in over 40 spray deodorants, antiperspirants, and body sprays. Tests were conducted on brands including Axe, Bath & Body Works, Brut, Degree, Dove, Gold Bond, Right Guard, Secret, Speed Stick, Suave, Old Spice, Victoria's Secret and others. Find out which products contained benzene, and how much they contained.
What is acrylamide? Is it true that coffee and cocoa contain this toxin?
Find out what acrylamide is, how much is found in coffee and cocoa, and how you can minimize your intake of acrylamide.
Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes, high cholesterol, or weight loss?
Find out if Gynostemma pentaphyllum ( jiaogulan) works as an AMPK activator and helps to lower blood sugar and treat diabetes. ConsumerLab.com's answer explains.
Which supplements are helpful to have when traveling? Any tips on how to best store supplements on trips?
Find out which vitamins & supplements can be helpful when traveling, including melatonin, ginger, and more, and find out how you can carry them with you.
How does bone broth protein compare to other types of protein?
Bone broth protein supplement information, including their effectiveness compared to other types of protein, how much collagen they contain, and safety.
Which dietary supplements and health foods contain high levels of lead?
Information about lead and heavy metals in vitamins, supplements and foods. Information on the adverse effects of lead.
I enjoy oat milk in my coffee, but how healthy is it for me?
Is oat milk healthy? Information about oat milk contents, how much sugar and calcium is in oat milk, and if it is a healthy alternative to cow milk.
How much magnesium do I need and how much magnesium from supplements is too much?
Find out how much magnesium you should be getting on a daily basis, signs of magnesium deficiency, and how much magnesium is too much, particularly from magnesium supplements and laxatives containing magnesium. Find out the side effects and potential adverse effects of too much magnesium.
Does Alpha Brain really improve memory, focus and cognition?
Find out if Alpha Brain really improves memory, focus and cognition. See the clinical evidence and get details about Alpha Brain ingredients, as well as potential side effects and drug interactions. ConsumerLab.com's answer explains.
Do any supplements reduce side of effects of chemotherapy?
Find out if there are any supplements that can help with the side effects of chemotherapy, such as nausea, vomiting, diarrhea, nerve damage and others. ConsumerLab.com's answer explains.
Do Sugar Bear Hair Vitamins make hair shine, nails stronger, and help both to grow? They taste good but are super expensive.
Info on Sugar Bear Hair vitamins. Do they make hair shine, nails stronger and help hair and nails grow? ConsumerLab.com's answer explains.
My supplement label warns that it contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm, but with no additional information. Do you know why?
Learn more about warning labels indicating that a supplement contains a chemical known to the State of California to cause cancer.
Do vitamin C supplements help prevent cataracts?
Learn more about the link between vitamin C and cataracts, based on clinical evidence.
I am curious why some probiotics do not require refrigeration even though they contain some of the same bacteria in probiotics that require refrigeration? Which probiotics need to be refrigerated?
Refrigerating certain probiotic pills and other probiotic supplements is important. Get tips on how to store probiotics properly.
Does drinking coffee increase or decrease the risk of cancer? Can it slow cancer progression?
Learn more about coffee, its safety, if it's good for you, and if it impacts your risk of cancer.
Does Provitalize work for weight loss and is it safe?
Find out if taking Provitalize, a probiotic supplement that also contains turmeric extract, moringa leaf extract, curry leaf extract and piperine (BioPerine), is safe and beneficial for weight management.
Are there supplements I should take, or take differently, when intermittent fasting?
Supplements that may help when intermittent fasting. Information about whey protein, CoQ10, magnesium and others, plus coffee, fiber and more.
Does OsteoMD improve calcium absorption and increase bone density?
ConsumerLab reviews the evidence for OsteoMD by 1MD, a bone health supplement promoted to slow bone loss and reduce the risk of osteoporosis.
Which supplements reduce hearing loss?
Can supplements such as alpha-lipoic acid, magnesium, N-acetyl-cysteine, folate or vitamins B-12, C and/or E help prevent or improve symptoms among people with hearing loss due to excessive noise or aging? Find out what the clinical evidence shows, and learn whether Advanced Hearing Formula, a supplement marketed for ear health, is likely to help.
Clinical Updates (68)
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Green Tea and Liver Toxicity
Do Spreads Lower Heart Risk?
Declining Vaccine Protection
Switching from Pfizer to Moderna
Probiotics for C. difficile infection?
Moderna vs. Pfizer: When to Choose One Over the Other
Muscle Cramps from Lack of Vitamin
Cranberry and UTIs
Find a Vaccine or Booster Near You
Nutrients In Jeopardy With a Plant-Based Diet?
New N95 Top Pick
Eggs and Heart Risk
Risk of Too Much B-12
It’s easy to get way more vitamin B-12 than one needs from supplements. Unfortunately, high blood levels of B-12 are being linked to higher risks of death and disease, as shown in a recent U.S. study. Get the details in the Upper Limit for B-12 section of our B Vitamin Supplements Review. Also, see our Top Pick among B-12 supplements.
Third Shot for J&J Vaccine
People who got the J&J vaccine and a booster are eligible for a third shot in at least one U.S. city. See the details.
Coffee and Heart Health
Drinking moderate amounts of one type of coffee, but not another, was linked to a reduced risk of heart attack and stroke in a recent analysis. Get the details in our updated article about Coffee and Health.
CPAP Humidifiers & PFAS?
Antibody Treatment Effectiveness Against BA.2 Variant
Although two monoclonal antibody treatments (bebtelovimab and sotrovimab) appear to be effective against the Omicron variant, one may have reduced activity against the BA.2 variant.
Does Vitamin D Help Manage Weight?
Can Resveratrol Help Control Blood Sugar?
A More Effective Way to Take Sterols/Stanols to Lower Cholesterol?
Probiotic Helps with Colic
FDA Finds Another Generic Drug Not Equivalent
Dark Chocolate Improves Walking in Peripheral Artery Disease
Prebiotic for Reducing Anxiety?
Melatonin for Itchy Skin
Turmeric for Arthritis?
CBD for Anxiety
Avoid Quality Problems With Fish Oil
Vitamin K for Bone Density?
When to Eat Protein
Has UC-II Collagen Changed?
Coconut Oil and Cholesterol
A Food to Slow Cognitive Decline?
Also see our Top Picks for canned tuna and salmon.
Calcium & Artery Calcification
Fish Oil and Heart Disease
Vitamin D and Cancer
Too Much Folate & Nerve Damage
Adding Vitamin D to Statin Treatment
Niagen Form of Niacin May Cause Flushing
Side-Effect With B-12
What Iron Supplements Can and Cannot Do
Adequate Vitamin D Reduces Frequent Respiratory Infections
Is Ester-C Better?
Vitamin D2 or D3?
Does Lutein Help?
Vitamin D and Cardiovascular Disease
What Niagen Does
Vitamin C and Prostate Cancer
Probiotics and Weight?
Lead in Maca Powder
Fish Oil Drug May Help
Right Amount of D for Cognition
Best form of B12?
Licorice Tea Caution
Green Tea & Stroke
Glucosamine & Chondroitin – How They May Work
Many Benefits of Magnesium
CBD Cream for Pain?
Fish Oils Not Equal on Cardio Benefit
Fish Oil Helps in Schizophrenia
This impact on depression has also been suggested as one reason why fish oil has shown some benefit in people with cognitive decline. Details about the studies and products used, including our tests and reviews of similar fish oil supplements, are found in the Fish Oil and Omega-3 Fatty Acid Supplements Review >>
Be Careful with Iodine -- Especially If You're Pregnant
Find out which product these women took in the updated Iodine section of the Multivitamin Supplements Review. You'll also find appropriate levels of other vitamins and minerals and see which products in the Review did or did not exceed tolerable intake levels of vitamins and minerals. More >>
Most Herbal Products Don't Contain Listed Herb
Large Study Suggests Best Vitamin D Level
Multivitamin Reduces Cancer Risk in Some
Recalls & Warnings (125)
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Chiropractor Who Claimed Vitamin D and Zinc Work Better Than COVID Vaccines Charged by FTC
Radio "Infomercials" for Cognitive and Joint Health Supplements Deceived Consumers, Says FTC
Seller of Aloe, Thyroid and Other Supplements Warned for Manufacturing Violations and Drug Claims
Maker of Green Coffee Bean Extract and Weight Loss Supplement Warned for Manufacturing Violations
FDA Seeks Permanent Injunction Against Dietary Supplement Maker -- 400+ Products Affected
FDA Inspection Finds Manufacturing Problems with Several Supplements Including Women's Multivitamin
"The Truth About Nutrition" Marketers Agree to Pay $3 Million to Settle Charges of Deceptive Advertising of Dietary Supplements and Devices
Sellers of Popular Weight Loss Supplements Pay $25 Million Over FTC Allegations of Deceptive Advertising
Supplement Maker to Pay over $3.5 Million to Settle Deceptive Advertising Charges for Immune Dietary Supplement
Two Makers of Weight Loss and Sex Enhancement Supplements Stopped From Making Unsubstantiated Claims
FTC Stops False Advertising of Heavily Promoted Supplements for Breast Enhancment, Male Virility, and Snoring
Direct Marketers of Weight Loss, Impotence, and Arthritis Supplements Charged with Deceptive Claims
News Releases (191)
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Dangerous Amounts of Iodine, Toxic Heavy Metals Found in Some Seaweed Snacks, According to ConsumerLab Tests
How Much Aloe Is Really in Aloe Products? ConsumerLab Tests Show Some Products Contain None
Best and Worst Ginger Supplements, Chews & Spices Identified by ConsumerLab. Contamination, Less Ginger Than Expected in Some Products.