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CL Answer

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.

Best Supplements for Depression and Anxiety -- sad young woman sitting on couch, looking toward the window

CL Answer

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.

Product Review

Ashwagandha Supplements Review

Find the Best Ashwagandha Supplement. Only 56% of Ashwagandha Products Pass Tests.

Ashwagandha supplements reviewed by ConsumerLab.com

Product Review

CBD & Hemp Extract Supplements, Lotions, and Balms Review

Find the Best CBD at the Lowest Price! Learn How Much CBD (and THC) Is Really in Products and Which Are Our Top Picks.

CBD and Hemp Oils Reviewed by ConsumerLab.com

Product Review

Valerian Supplements Review

Choose the Best Valerian Supplement. Strength and Contamination Vary Widely Among Popular Valerian Brands.

Valerian Supplements Reviewed by ConsumerLab.com

Product Review

L-Theanine Supplements Review

Find the Best L-Theanine Supplement. Find Out If L-Theanine Helps for Stress and Which Products Are Best.

L-Theanine Supplements reviewed by ConsumerLab.com

Clinical Update

7/26/2022

B-6 or B-12 for Anxiety?

Can taking high-dose vitamin B-6 or B-12 improve self-reported anxiety? Find out what a recent study showed in the Anxiety section of our B Vitamin Supplements Review.

Also see our answer to the question: What are the best supplements for depression and anxiety?

Product Review

Echinacea Supplements Review

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

Echinacea supplements reviewed by ConsumerLab.com

Product Review

Rhodiola Rosea Supplements Review

Do Rhodiola Supplements Help With Depression and Anxiety? Find Out and See Which Rhodiola Supplements Provide the Best Quality & Value.

Rhodiola Supplements Reviewed by ConsumerLab.com

CL Answer

What are the side effects of ashwagandha supplements?

Learn about the safety and side effects of ashwagandha supplements, including headache, sleepiness, upset stomach, blood pressure and more. ConsumerLab.com's answer explains.

ashwagandha side effects

CL Answer

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.

Older women sitting calmly on a couch with her hands behind her head and her eyes closed

Product Review

Probiotic Supplements Review (Including Pet Probiotics)

Find the Best Probiotic Supplement. CL Tests Reveal the Best Probiotic Supplements for You (and your pet)!

Probiotic Supplements Reviewed by ConsumerLab.com

Product Review

Holy Basil Supplements Review

Find the Best Holy Basil (Tulsi) Supplements. Tests and Reviews of Popular Holy Basil Supplements & CL's Top Pick.

Holy Basil Supplements Reviewed by ConsumerLab.com

CL Answer

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.

CBD and Hemp Oils Reviewed by ConsumerLab.com

CL Answer

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.

Rhodiola for Depression? -- rhodiola capsules

Clinical Update

7/17/2021

Echinacea for Anxiety?

Can echinacea reduce symptoms of mild to moderate anxiety? See what a recent study found in the What It Does section of our Echinacea Supplements Review. Also see our Top Picks among echinacea supplements.

Also see our answer to the question: What are the best supplements for depression and anxiety?

Clinical Update

6/21/2015

Probiotic Foods and Social Anxiety

A new study shows that consumption of fermented foods like yogurt and kefir (which are likely to contain probiotic organisms) was associated with lower levels of social anxiety. This suggests that such foods may serve as a low-risk intervention for reducing social anxiety. More about the study is found in the Probiotics Review >>

Clinical Update

9/05/2015

Melatonin for Anxiety Before Medical Procedures?

Some studies in men and women show that melatonin can reduce anxiety before surgery. A recent study in children found it can also reduce the anxiety and pain associated with blood tests. For details, including dosage, evidence for other uses of melatonin, and our tests of popular products, see the Melatonin Supplements Review >>

Clinical Update

9/17/2019

Ashwagandha for Stress and Anxiety

Can ashwagandha decrease symptoms of anxiety and lower levels of a stress hormone? See what a new study found in the Anxiety, Stress and Insomnia section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.

Clinical Update

11/09/2019

Supplement for Social Anxiety?

High-dose CBD was given to teenagers with social anxiety. Learn what happened in the Anxiety, PTSD, and Sleep section of the CBD and Hemp Extract Review. Also see our Top Pick among products.

CL Answer

Adrenal Fatigue and Adrenal Support Supplements: Do they work and are they safe?

Find out what's really in supplements for adrenal support and adrenal fatigue, including herbal adrenal support supplements and bovine derived adrenal support supplements. Find out if they really work and if they are safe. ConsumerLab.com's answer explains.

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

CL Answer

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

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

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

CL Answer

What are the health benefits of holy basil extract?

Learn about the health benefits of holy basil leaf extract. See the clinical evidence for and against holy basil extract for lowering blood sugar in people with type 2 diabetes, reducing anxiety and stress, boosting the immune system, and reducing the pain and inflammation of arthritis. ConsumerLab.com's answer explains.

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

CL Answer

Have any supplements been shown to increase women's libido?

Learn more about supplements that may increase women's libido, including DHEA and maca.

Supplements for Women's Libido

Product Review

Lavender and Tea Tree Essential Oils Review

Oils Tested for Authenticity and Purity

Product Review

Melatonin Supplements Review

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

Melatonin Supplements Reviewed by ConsumerLab.com

CL Answer

Taking 2 grams of L-glutamine in water on an empty stomach (as directed) caused me to be nauseous, dizzy and anxious. Is this a normal side effect of glutamine?

Find out how to prevent nausea, dizziness and anxiety when taking monosodium glutamine in water on an empty stomach.

Glutamine Powder in Scoop for Water

CL Answer

Rhodiola and ashwagandha are both promoted to help with stress and anxiety. Is it safe to take them at the same time?

Find out if it is safe to take ashwagandha and rhodiola together. Both herbs are promoted to help with stress and anxiety, but may also lower blood pressure and have other side effects. ConsumerLab.com's answer explains.

Man in Light Blue Comparing Supplement Bottles

CL Answer

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.

Clinical Update

10/23/2018

CBD for Anxiety

CBD taken 90 minutes before public speaking reduced anxiety without side effects in a recent clinical trial – although it only worked at one of the three doses studied. For details, see the What It Does section of the CBD and Hemp Extract Supplements Review. (Also see our Top Picks among products.)

Clinical Update

2/05/2019

Theanine for Anxiety?

Theanine is promoted as an anxiety-reducing supplement, but does it really work? See results of a recent study in the What It Does section of the L-theanine Supplements Review. Also see our top choices for L-theanine supplements.

Clinical Update

10/04/2016

Curcumin for Depression & Anxiety

Curcumin reduced symptoms of depression and anxiety in people with major depression, at a lower dose than previously used, according to a new study. Get the details in the "What It Does" section of the Turmeric and Curcumin Supplements and Spices Review >>

Clinical Update

9/14/2018

Anxiety and Fish Oil

An analysis of clinical trials with fish oil looked at whether supplementation was associated with decreased anxiety. See the results in the What It Does section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil and other omega-3 supplements.)

Clinical Update

12/10/2019

Kava for Anxiety?

See the results of a recent study with kava in our updated answer to the question: What are the best supplements for depression and anxiety?

Clinical Update

1/15/2019

Anxiety Treatment -- Low-Dose CBD?

Does low-dose CBD (cannabidiol) help with anxiety and sleep disorders? See the results of a recently published case series in the What It Does section of the CBD & Hemp Extract Supplements Review. Also see our Top Pick for CBD.

Clinical Update

5/04/2019

Probiotic for Anxiety?

A number of studies have evaluated probiotics for reducing anxiety, stress, and depression. See the results of the latest study in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.

Clinical Update

8/07/2011

Fish Oil and Anxiety

A study using a specially concentrated fish oil supplement showed a 20% reduction in anxiety symptoms compared to placebo. An update to the Fish Oil Supplements Review includes the dose and type of fish oil used. More >>

Clinical Update

12/07/2014

Prebiotic for Reducing Anxiety?

We've reported in the past that some probiotic bacteria may help reduce anxiety. A new study suggests that one type of prebiotic powder (which helps probiotic bacteria grow) has a related beneficial effect. See the update in the Probiotic Supplements Review >> 

Clinical Update

12/20/2020

Melatonin for Anxiety?

Can taking melatonin reduce anxiety before surgery? Find out what a recent analysis of studies showed in the What It Does section of the Melatonin Supplements Review. Also, see our Top Picks for melatonin.

Clinical Update

8/26/2022

Lion's Mane for Depression, Anxiety, Gut Health

Does lion's mane (promoted for memory) help with depression, anxiety or gut health? See our article about lion's mane.

Clinical Update

6/17/2022

Probiotic for Depression?

Did a popular probiotic blend help people with severe depression? See what a recent study found in the Anxiety and Depression section of our Probiotics Supplements Review.

Also see our answer to the question: What are the best supplements for depression and anxiety?

CL Answer

What are the best supplements or lifestyle modifications for insomnia, and which can make insomnia worse?

Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.

CL Answer

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.

Is kratom safe? Is it legal? -- Kratom leaf and pills

CL Answer

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.

Woman holding her neck and lower back due to fibromyalgia pain

CL Answer

Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.

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

CL Answer

Are there any supplements I should avoid when taking Valium or Xanax?

Find out which supplements should be avoided when taking benzodiazepines like Valium, Xanax, and Ativan.

Supplements to avoid with Valium or Xanax

CL Answer

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.

Liver Shape Made From Paper with Pills and Bottle Against Blue Background

Product Review

St. John's Wort Supplements Review

Find the Best St. John's Wort Supplement. Only 40% of St. John's Wort Supplements Pass Tests & Strength Varies Widely.

St John's Wort Supplements Reviewed By Consumerlab.com

Product Review

Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review

Find the Best Fish Oil & Compare to Prescription Omega-3 Drugs. See Our Top Picks Among Fish Oil & Other Omega-3 Supplements for Adults, Children and Pets.

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

CL Answer

Can CBD help with insomnia or improve sleep?

Find out if CBD (cannabidiol) can help for insomnia or improve sleep in people with anxiety, sleep disorders, and Parkinson's disease. ConsumerLab.com's answer explains.

CBD for insomnia

Product Review

Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)

Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.

Weight Loss Supplements Tested by ConsumerLab.com

Product Review

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

See Which B Vitamins Are ConsumerLab's Top Picks!

Review of B Vitamin Supplements

CL Answer

How are you staying healthy during the coronavirus pandemic?

Tips for staying healthy during the coronavirus (COVID-19) pandemic. Tips from ConsumerLab members for maintaining physical health, mental health and social well-being during COVID-19.

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

CL Answer

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.

What is the proper CFU dosage of probiotics? -- Probiotic supplements

CL Answer

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.

CL Answer

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.

Supplements to Improve Energy and Decrease Fatigue -- tired woman yawning at desk

Product Review

Lion's Mane and Chaga Supplements Review

Read Labels Carefully -- Many Can Mislead

Lion's Mane and Chaga Supplements tested by ConsumerLab.com

Product Review

Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review -- Sources of Flavanols

Find the Best Dark Chocolate, Cocoa Powder and Cocoa Supplements. Is Your Chocolate or Cocoa Healthful or Toxic? Find Out Now!

Flavanols in Cocoa, Cacoa, and Chocolate Products Reviewed by ConsumerLab.com

CL Answer

How Should You Take Care of Yourself After You’ve Had COVID-19?

Find out the best way to care for yourself when recovering from COVID-19, including how long you should quarantine, whether you should get vaccinated, when it is safe to undergo a surgery, and how to spot and, possibly, improve lingering symptoms.

Man in wheelchair talking with doctor after recovering from COVID

Clinical Update

2/07/2021

Saffron for Mood?

Does saffron extract improve mood in people feeling down and anxious or stressed? See what a new study found in our article about Supplements for Depression and Anxiety.

Clinical Update

9/28/2021

PEA for Depression?

Can taking palmitoylethanolamide (PEA) along with citalopram (an antidepressant) improve symptoms in people with depression? Find out in our updated answer to the question: What are the best supplements for depression and anxiety?

Clinical Update

12/28/2021

Fish Oil to Prevent Depression?

Does fish oil prevent depression? Find out what a recent study found in the Depression section of our Fish Oil and Omega-3 Supplements Review. Also see our Top Picks among fish oil supplements.

For information about other supplements promoted for depression, see our answer to the question: What are the best supplements for depression and anxiety?

Clinical Update

4/19/2015

Probiotics Might Reduce Risk of Depression

After taking a probiotic daily for 4 weeks, people in a recent study were less likely to have negative thoughts in response to sadness -- a predictor of whether or not sadness turns into depression. This adds to a growing body of preliminary studies suggesting benefits of probiotics in anxiety and depression. For details, including the type and dose of probiotic used, see the Probiotic Supplements Review >> 

Clinical Update

1/10/2017

CoQ10 for Fibromyalgia

CoQ10 reduced symptoms of anxiety and depression in people with fibromyalgia, according to a preliminary study. Get the details, including dosage, in the "What It Does" section of the CoQ10 and Ubiquinol Supplements Review >>

Clinical Update

5/03/2017

Ashwagandha Improves Memory

An 8-week study among men and women with mild cognitive impairment found ashwagandha root extract to improve many aspects of cognitive function compared to placebo. Studies have shown a range of benefits with ashwagandha, particularly in reducing stress and anxiety, although studies have been small. For details, see the "What It Does" section of the Ashwagandha Supplements Review >>

Clinical Update

10/05/2019

L-Theanine for Sleep and Cognition?

Several studies have evaluated whether a single dose of L-theanine (found in green tea) can reduce stress and anxiety. A new study has evaluated the effect of L-theanine when taken daily for several weeks. See the results in the What It Does section of the L-Theanine Supplements Review. Also see our top choices for L-Theanine.

Clinical Update

5/27/2020

Ashwagandha for Better Sleep?

Ashwagandha, which is often used for anxiety and stress, was recently tested in people with insomnia. Did it help them fall asleep? Find out in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.

Clinical Update

9/30/2022

Glutamine Side Effects

A CL Member experienced dizziness, nausea, and anxiety after taking L-glutamine. Find out if these are known side effects of L-glutamine, and learn about other potential adverse effects of glutamine in the Concerns and Cautions section of our Muscle & Workout Supplements Review.

Also see our article about supplements that may cause dizziness.

Clinical Update

3/01/2022

Glucosamine and Depression

Can taking glucosamine improve, or cause, depression? Find out in the Glucosamine and Chondroitin section of our Joint Health Supplements Review. Also see our Top Picks among joint health supplements.

Also see our answer to the question: What are the best supplements for depression and anxiety?

Clinical Update

4/19/2022

Ashwagandha for Anxious Dogs?

Can ashwagandha supplementation reduce fear and anxiety in anxious dogs? See what a new study found in the What It Does section of our Ashwagandha Supplements Review.

(Also see our other articles about supplements for dogs.)

Product Review

Maca Supplements Review

Choose the Best Maca Supplement. Make Sure Your Maca Supplement Isn't Contaminated With Lead.

Maca Supplements Reviewed by ConsumerLab.com

Product Review

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

Find the Best Vitamin D Supplement with the Right Dose

Product Review

Choline and Lecithin Supplements Review (Including Phosphatidylcholine, CDP-Choline, and Alpha-GPC)

CL Answer

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.

Probiotics

CL Answer

The suggested daily serving for my fish oil supplement, three 1,000 mg softgels, seems like a lot. Do I really need to take this much?

Information on the proper fish oil dosage per day. See the best dosage for different uses, such as lowering triglyceride levels or improving mood, plus information on overdose.

Fish Oil

CL Answer

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.

CL Answer

Does magnesium help with depression?

Find out if having low magnesium levels increases the risk of depression and if supplements such as magnesium citrate, magnesium chloride, can help for depression. Also, find out how to make sure you are getting adequate magnesium. ConsumerLab.com's answer explains.

Magnesium for Depression? -- Bottle of Magnesium Tablets

News Release

8/10/2022

Best Lavender and Tea Tree Essential Oils Identified by ConsumerLab

  White Plains, New York, August 10, 2022 — Lavender essential oil as aromatherapy may reduce anxiety and tea tree essential oil is used topically for various skin ailments.

Product Review

Turmeric and Curcumin Supplements and Spices Review

Find the Best Turmeric and Curcumin Supplements & Spices. Big Differences Discovered Among Brands -- Little Curcumin In Some.

Turmeric and Curcumin Supplements and Spices Reviewed by ConsumerLab.com

CL Answer

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 turmeric a stomach irritant? -- Turmeric Supplement

CL Answer

Do any supplements, like Nervive, help with nerve pain, like sciatica or diabetic neuropathy?

Find out which supplements for nerve pain are effective. Sciatica & diabetic neuropathy may be helped, including fish oil and alpha-lipoic acid.

CL Answer

Can biotin supplements really strengthen nails or improve hair? Can other supplements help?

Learn more about strengthening brittle nails with vitamin B-7 (biotin), based on clinical evidence.

Supplements for Brittle Nails -- healthy nails

CL Answer

I take fluoxetine (Prozac), a SSRI drug to treat depression. Are there supplements I should avoid, or be taking, due to this drug?

Learn about Prozac (fluoxetine) drug interactions along with other supplements and SSRIs.

Woman Taking Pill with Glass of Water

Product Review

Acetyl-L-Carnitine Supplements Review

Choose the Best Acetyl-L-Carnitine Supplement. Don't Overpay! CL Identifies Quality Acetyl-L-Carnitine Supplements at the Best Value.

Acetyl-L-Carnitine Supplements Tested by ConsumerLab.com

Product Review

Sexual Enhancer Supplements Review (with Yohimbe, Horny Goat Weed, Arginine)

Choose the Best Sexual Enhancer Supplement. Only 30% of Selected Sexual Enhancement Supplements Pass Quality Tests.

Product Review

L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements Review

Choose the Best L-Tryptophan and 5-HTP Supplements. CL Tests Identify High Quality L-Tryptophan and 5-HTP (5-Hydroxy-L-Tryptophan) at the Best Value.

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

CL Answer

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

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

Turmeric Spice vs. Turmeric Supplements

CL Answer

Does Qualia Mind boost memory and mental function and is it worth cost?

Learn about the ingredients in Qualia Mind, whether or not we think the formula works and is safe, and if we think it's worth the cost.

qualia-mind

Product Review

Muscle & Workout Supplements Review (Creatine and Branched-chain Amino Acids)

Find the Best Muscle Enhancement Supplements. See Which BCAA and Creatine Supplements Passed CL's Tests & the Top Picks.

Muscle Enhancement Supplements (Creatine and Branched Chain Amino Acids) Reviewed by ConsumerLab.com

CL Answer

Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs like Xarelto?

Learn about supplement interactions with apixaban (Eliquis), rivaroxaban (Xarelto) and other blood thinner drugs in the direct factor Xa inhibitors class. Supplements that may interact with these medications include fish oil and St. John's wort. ConsumerLab.com's answer explains.

Eliquis Supplement Interactions -- box of Eliquis

Product Review

CoQ10 and Ubiquinol Supplements Review

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

CoQ10 and Ubiquinol Supplements Reviewed by ConsumerLab.com

Product Review

Vitamin C Supplements Review

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

Vitamin C Supplements Tested by ConsumerLab.com

CL Answer

Can fluoride in toothpaste, mouth rinses or drinking water cause attention-deficit/hyperactivity disorder (ADHD) in children?

Find out if community water fluoridation increases the risk of attention-deficit/hyperactivity disorder (ADHD) in children, and learn what the American Dental Association recommends when using fluoride-containing toothpaste and mouth rinses in children.

Small amount of toothpaste being applied to a toothbrush with a glass of water in the background

CL Answer

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

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

Supplements for Hair Loss -- woman looking at hairbrush

CL Answer

What is graviola? Can it really help fight cancer?

Learn more about graviola, if it can really help fight cancer, and its safety.

Graviola on white background

Recalls & Warnings

2/22/2021

FDA Warns Sellers of St. John's Wort

On February 18, 2021, the FDA issued warning letters to two companies following reviews of the companies' websites, which found statements made about the companies' St. John's Wort products to be drug claims. These products include St.

Product Review

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

Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements

News Release

9/18/2020

Analysis of CBD Products Shows Price Drop and Lower Levels of THC

White Plains, New York, September 18, 2020 — The recent analysis by ConsumerLab of CBD and hemp extract products revealed a 70% drop in the lowest cost to get CBD since 2018 as well as fewer products containing detectable amounts of THC, a psychoactive compound in hemp.

News Release

4/03/2020

Tests of Holy Basil Supplements Show 63% Fail on Quality -- ConsumerLab Tests Reveal the Best and Worst Holy Basil Supplements

White Plains, New York, April 3, 2020 — Holy basil supplements are promoted to reduce stress and anxiety, lower blood sugar, and strengthen the immune system.

CL Answer

Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease?

Magtein, and other magnesium supplements, may help memory and protect against Alzheimer's disease.

CL Answer

Does 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.

Does-Alpha-Brain-Work?

CL Answer

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).

Choosing the Best Magnesium Supplement -- Magnesium capsules, powders and liquids

CL Answer

What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?

Shilajit information, including its potential health benefits, safety, proper doses and impact on male health.

Shilajit Health Benefits -- blister pack of shilajit tablets

CL Answer

Which supplements can help to lower blood pressure?

Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.

Supplements that can lower, or raise blood pressure -- blood pressure cuff and bottle of pills

News Release

3/04/2020

CBD Most Often Used for Pain, Then Sleep, According to CL Survey. Half of Users Think It Works.

White Plains, New York, March 4, 2020 — A recent survey of 9,782 people who use dietary supplements found that 14.5% of respondents purchased CBD (or hemp extract, which is a source of CBD) in 2019. The survey asked those people what they used CBD for and whether or not they thought it worked.

Recalls & Warnings

11/24/2018

Dangerous Drug In Supplements for Pain and Anxiety

On November 20, 2018, the FDA announced it has issued warning letters to two companies for the illegal marketing of products labeled as dietary supplements that contain the opioid-like drug tianeptine.

Recalls & Warnings

1/26/2018

Seller of Coenzyme-A Warned For Making Drug Claims

On January 5, 2018, the FDA issued a warning letter to Coenzyme A, Inc. following a facility inspection and review of the company's website that found the company made drug claims about its product Coenzyme-A.

Recalls & Warnings

12/22/2021

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

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

News Release

2/24/2019

CBD and Collagen Rise in Popularity, as Probiotics and Coconut Oil Dip in Latest ConsumerLab Survey of Supplement Users

White Plains, New York, February 24, 2019 — A recent survey of 10,931 people who use dietary supplements shows that CBD oil (+6.3 percentage points), collagen (+3.6 pts), and bone broth (+2.

Recalls & Warnings

6/05/2020

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

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

Recalls & Warnings

12/29/2020

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

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

Recalls & Warnings

4/16/2019

DMHA and Phenibut Are Not Permitted in Dietary Supplements, Warns FDA

On April 16, 2019, the FDA announced it has issued 11 warning letters to companies whose dietary supplement products contain the drugs DMHA or phenibut, and therefore are in violation of the law.

Recalls & Warnings

2/17/2022

Seller of L-Theanine, Lutein, Noopept and More Warned for Drug Claims

On February 4, 2022, the FDA issued a warning letter to Crystal Clear Supplements following a review of the company’s website and social media which found statements about Tianeptine Sodium Powder, Tianeptine Sulfate Powder, PEA Capsules, Phenibut Capsules, Synephrine Powder, Noopept ...

Recalls & Warnings

7/06/2022

FDA Warns Kratom Companies for Arthritis, Pain Relief Claims & More

On January 30, 2022, the FDA issued warning letters to four sellers of kratom products because they were promoted to treat pain relief, opioid withdrawal, blood sugar control, anxiety, and to treat rheumatoid arthritis.

News Release

5/31/2018

ConsumerLab Identifies the Best Valerian Supplements -- Strength, Quality and Cost Vary Widely Among Popular Brands

White Plains, New York, May 31, 2018 — Valerian is often promoted as a sleep aid and to help with anxiety. But does it really work, and if so, which products are best? To find out, ConsumerLab recently purchased and tested popular valerian supplements sold in the U.S.

Recalls & Warnings

5/14/2021

Maker of Care by Design CBD Settles Charges of Unsupported Claims

On May 5, 2021, Cannacraft, Inc.

Recalls & Warnings

2/22/2021

FDA Warns Seller of Melatonin & Other Sleep Supplements

On February 18, 2021, the FDA issued a warning letter to SANA Group LLC following a review of the company's website, which found statements made about the company's products Sleep Sana Sleep Drops and Sleep Shots to be drug claims.

Recalls & Warnings

1/20/2021

Seller of Omega-3 Warned for Making Claims to Treat Focus, Mood

On December 9, 2020, the FDA issued a warning letter to Bodyhealth.com, LLC following a review of the company's website, which found statements made about the company's products Healthy-Thin Energize, Body Detox (Oral Spray), and Omega 3 Health to be drug claims.

News Release

5/02/2018

Best Probiotic Supplements and Kombuchas? -- ConsumerLab Tests 41 Popular Products, Reveals Problems and Top Picks

White Plains, New York, May 2, 2018 — With so many different probiotic supplements on the market, each providing different amounts and strains of beneficial bacteria or yeast, choosing the right one can be an overwhelming task.

News Release

2/15/2018

Tests Reveal How Much CBD is Really in CBD and Hemp Oils -- Some Don't Provide Amounts of CBD Listed on Labels

White Plains, New York, February 15, 2018 (UPDATED 2/11/19) — CBD (cannabidiol) has become popular for treating pain, helping with anxiety and insomnia, and a variety of other conditions, despite the fact that the FDA has stated it cannot legally be sold as ...

Recalls & Warnings

7/21/2022

Young Living Warned for Promoting Essential Oils to Treat Seasonal Allergies, Kidney Stones & More

On June 10, 2022, the FDA issued a warning letter to Young Living Essential Oils Corporate after an inspection of the company’s website and social media found statements about the company’s essential oil and CBD products to be drug claims.

Recalls & Warnings

7/22/2022

FDA Warns Seller of Vision, Calcium & Magnesium Supplements and More

On June 14, 2022, the FDA issued a warning letter to New Sun Inc. following inspection of the company’s website which found statements about the company’s products to be drug claims.

Recalls & Warnings

3/09/2020

FDA Warns Sellers of Essential Oils, Colloidal Silver & Teas Promoted to Treat Coronavirus

On March 9, 2020, the FDA and FTC announced they have issued joint warning letters to seven companies for selling products such as essential oils, teas and colloidal silver with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

11/26/2019

Cognitive Enhancement Supplements Contain Unapproved Drug

Several supplements sold in the U.S. and promoted for cognitive enhancement contain significant amounts of the drug piracetam -- a drug that is not approved for use in the U.S. -- according to a study published this week in JAMA Internal Medicine. 

Recalls & Warnings

10/22/2019

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

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

Recalls & Warnings

3/26/2021

Nine Banned Stimulants Found in Workout, Weight Loss Supplements

Recent analysis of 17 brands of sports/energy and weight loss supplements sold in the U.S. found nine prohibited stimulants formulated into eight different combinations, and none of these combinations have been studied in people.

Recalls & Warnings

4/02/2019

FDA Issues Strong Warnings to Sellers of CBD

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

Recalls & Warnings

12/05/2018

Seller of Cold and Flu Supplements, "SuperFood" & More Warned by FDA

On October 30, 2018, the FDA issued a warning letter to American Botanical Pharmacy following a review of the company's website (www.herbdoc.com) and Facebook page, which found statements made about some of its products to be drug claims.

Recalls & Warnings

12/01/2018

Seller of 5-HTP, Potassium & More Warned for Manufacturing Violations

On September 7, 2018, the FDA issued a warning letter to The Delano Company, Inc.

News Release

3/22/2016

Rhodiola: Does It Help With Depression and Anxiety and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular R. Rosea Supplements --

White Plains, New York, March 22, 2016 — Rhodiola (R. rosea) supplements are promoted to treat depression, anxiety, and fatigue — but do they really work? And do products on the market contain the right species, amounts, and appropriate doses of R.

News Release

2/24/2016

Vitamin D Supplements Jump to Top Spot in Popularity, Surpassing Fish Oil, as Probiotics Rise to #5 Spot Behind CoQ10 and Multivitamins in ConsumerLab.com Survey

White Plains, New York, February 25, 2016 — A recent survey of over 11,000 people who use dietary supplements shows the most popular dietary supplement to be vitamin D, followed by fish oil, CoQ10, multivitamins, and probiotics.

News Release

1/06/2015

Only 25% of Ashwagandha Supplements Pass ConsumerLab.com Review

White Plains, New York, January 6, 2015 —"It's very hard to find a good ashwagandha supplement," notes Tod Cooperman, M.D., President of ConsumerLab.com, the health product testing company which recently completed evaluations of ashwagandha herbal supplements.

News Release

2/13/2014

Calcium, Vitamin C, and Fish Oil Supplements Drop in Use, Probiotics Rise According to ConsumerLab.com Survey

White Plains, New York, February 13, 2014 — A recent survey of over 10,000 people who use dietary supplements shows that the use of calcium, vitamin C and fish oil supplements fell during 2013 while the use of probiotics increased.

News Release

11/25/2013

Many Probiotic Supplements Fall Short on Listed Amounts of Helpful Organisms

White Plains, New York, November 25, 2013 — Probiotic supplements and foods containing "friendly" bacteria or yeast have become popular among people hoping to improve bowel function, immunity, and even mood.

News Release

10/23/2013

Valerian “Sleep” Supplements Vary Widely in Key Compounds and Two Fail Tests for Lead Contamination

White Plains, New York — October 23, 2013 — Valerian root powders and extracts are popular herbal sleep aids and may have anti-anxiety effects, but few products on the market provide the amounts of compounds typically used in clinical trials, and some are contaminated with lead, ...

Recalls & Warnings

12/16/2015

Maker of Red Yeast Rice, St. John's Wort, Valerian and More Warned for Manufacturing Violations, Drug Claims

On December 2, 2015, the FDA issued a warning letter to Nature's Health, LLC, following a facility inspection which found the company's product, including Ginkgo & Rhodiola, Blood Sugar Balance IV, Cinnamon Extract, Choles-Balance Red Yeast Extract, Lecithin, Milk Thistle Seed Extract, ...

Recalls & Warnings

5/16/2020

CBD Oil Recalled, Risk of High Lead Exposure

On May 15, 2020, Summitt Labs issued a recall of one batch of KORE ORGANIC Watermelon CBD Oil Tincture due to contamination with lead. A random sample of this product tested by the Florida Department of Agriculture and Consumer Services found it to contain lead levels at 4.7 ppm.

News Release

4/10/2001

Quality of popular herbal anti-depressant found to vary; certain types of St. John's Wort supplements more likely to pass testing

White Plains, NY — April 11, 2001 — ConsumerLab.com, an independent evaluator of dietary supplements and nutrition products, today released results of its Product Review of St. John's wort supplements.

Recalls & Warnings

6/02/2018

FDA Warns Seller of Cough Suppressant & Grape Seed Supplements

On March 29, 2018, the FDA issued a warning letter to Yoder's Good Health Products following a facility inspection which found a number of the company's products, including Respiratory & Cough Formula and Life Drops to be adulterated because they were prepared, packed, or ...

Recalls & Warnings

1/13/2018

Seller of Depression, Prostate Supplements & More Warned for Manufacturing Violations, Drug Claims

On August 21, 2017, the FDA issued a warning letter to Irmo-Vita, LLC, following a facility inspection which found that several of the company's products, including Hysta-Min, Man-Affirm, Phung-EX, and Bacto- EX to be adulterated because they were prepared, packed, or held ...

Recalls & Warnings

6/25/2019

Kratom Is Dangerous and Not Proven to Treat Addiction, FDA Warns Marketers

On June 25, 2019, the FDA issued warning letter to two marketers and distributors of kratom products, listed below, for illegally selling unapproved, misbranded kratom-containing drug products with unproven claims about their ability to treat or cure opioid addiction and withdrawal symptoms.

Recalls & Warnings

6/26/2015

Seller of CoQ10, Anxiety Supplements and More Warned for Manufacturing Violations, Drug Claims

On June 6, 2015, the FDA issued a warning letter to Country Doctor Herbals, following a facility inspection which found the company's products, including  Herbal Flu Be-Gone, Herbal Multi-Bac, Herbal Nervine, Herbal Pain-A-Way, Herbal Pancreas, Herbal Parasite Cleanse, Herbal Perfect ...

Recalls & Warnings

12/23/2016

Weight Loss Supplement Found to Contain Antidepressant

On December 22, 2016, the FDA warned consumers not to buy or use the weight loss supplement Queen Slimming Soft Gel because it was found to contain undeclared fluoxetine and sibutramine.

Recalls & Warnings

9/12/2018

FDA Urges Consumers to Avoid Kratom

On September 11, 2018, FDA Commissioner Scott Gottlieb, M.D., urged consumers not to use products containing the kratom, an herb that is often promoted for pain relief and for relieving symptoms of opioid withdrawal.

Recalls & Warnings

8/25/2018

Thirty-Two Children's Homeopathic Products Recalled

On August 22, 2018, King Bio issued a recall of 32 homeopathic products for children because some have have tested positive for microbial contamination.

Recalls & Warnings

1/17/2006

FDA Warns Consumers about Brazilian Diet Pills Found to Contain Active Drug Ingredients

On January 13,2006, the U.S. Food and Drug Administration (FDA) warned consumers not to use two unapproved drug products that are being marketed as dietary supplements for weight loss.

Recalls & Warnings

11/01/2016

Eleven Weight Loss Supplements Contain Undeclared Drugs, FDA Warns

The FDA warned consumers not to buy or use the weight loss supplements listed below because they were found to contain undeclared drugs:

Recalls & Warnings

12/08/2015

Study Finds Many Rhodiola Rosea Supplements to be Adulterated

A study of Rhodiola supplements (including hard capsule extracts, softgel capsules, tablets, and liquid extracts) in Great Britain found that nearly 20% did not contain rosavin, the key marker compound used to identify Rhodiola rosea from other Rhodiola species, and many ...

Recalls & Warnings

11/01/2017

Hemp Oil and Cannabidiol (CBD) Marketers Warned by FDA Over Claims

On November 1, 2017, the FDA announced it issued warning letters to four companies promoting products containing cannabidiol (CBD), a compound derived from cannabis (also known as marijuana), for the treatment of cancer, as well as other diseases, such as Alzheimer's disease. In the U.

Recalls & Warnings

10/21/2014

Seller of Weight Loss, Saw Palmetto Supplements and More Warned for Drug Claims

On October 9, 2014, the FDA issued a warning letter to Bethel Nutritional Consulting, Inc., following a review of the company's website which found statements made about 15 Day Detox Diet, Alpha Lipoic Acid. 300 mg.

Recalls & Warnings

2/13/2016

Cannabis Compound Not Permitted in Supplements, FDA Warns

On February 4, 2016, the FDA issued warning letters to eight companies selling products containing cannabidiol (CBD), a compound derived from cannabis (also known as marijuana). In the U.S., cannabidiol is not permitted to be sold as an ingredient in dietary supplements.

Recalls & Warnings

12/01/2015

Weight Supplements Found to Contain Antidepressant and Other Prescription Drugs

On November 19, 2015, the FDA warned consumers not to buy or use the weight loss supplements listed below because they were found to contain prescription drugs. Each was identified during an examination of international mail shipments:

Recalls & Warnings

1/07/2002

Liver Toxicity with Kava

As announced in a December 19, 2001 letter to healthcare professionals, The Food and Drug Administration (FDA) is investigating whether the use of dietary supplements containing kava (also known as kava kava or Piper methysticum) is associated with liver toxicity.

Recalls & Warnings

11/21/2013

Weight Loss Supplement Recalled

On November 14, 2013, Deseo Rebajar Inc. issued a recall of one lot of weight loss supplement Adipotrim XT because it was found to contain undeclared fluoxetine.

Recalls & Warnings

5/03/2013

Homeopathic Company Warned For Drug Claims and Improper Labeling

On March 12, 2013, the FDA issued a warning letter to Natural Medicine Associates, Inc.

Recalls & Warnings

10/08/2010

FDA Warns of Stimulant in Slimming Capsules

On October 8, 2010, the U.S. FDA advised consumers who have Slimming Beauty Bitter Orange Slimming Capsules not to use the product. FDA warns that Slimming Beauty Bitter Orange Slimming Capsules contain the active pharmaceutical ingredient sibutramine, a prescription-only drug which is a stimulant.

Recalls & Warnings

9/13/2010

ExtenZe Enhancement Supplements Seized in Canada

On August 19, 2010, Health Canada (Canada's health ministry) seized the sexual enhancement supplements "Male Enhancement ExtenZe" and "Women ExtenZe" which were imported from the U.S. Although legal and widely sold in the U.S.

Recalls & Warnings

6/18/2014

Two Weight Loss Supplements Found to Contain Drugs

On June 17, 2014, the FDA warned consumers not to buy or use the weight loss supplements listed below because they were found to contain drugs.

Recalls & Warnings

3/03/2015

FDA Warns Consumers Not to Buy or Use Weight Loss Supplement Containing Drug

On February 28, 2015, the FDA warned consumers not to buy or use weight loss supplement Oxy ELITE Pro Super Thermogenic (USPLabs) because it was found to contain fluoxetine.

Recalls & Warnings

2/10/2015

Five Weight Loss Supplements Recalled

On January 9, 2015, Detox Transforms Health and Nutrition issued a voluntary recall of five weight loss supplements because they were found to contain undeclared drugs:

Recalls & Warnings

3/19/2015

Three Weight Loss Supplements Found to Contain Drugs

On March 18, 2015, the FDA warned consumers not to buy or use the following weight loss supplements because they were found to contain undeclared drugs.

Recalls & Warnings

3/13/2015

Weight Loss Supplement Contains Prescription Anti-Depressant, Other Drugs

On March 3, 2015, the FDA warned consumers not to buy or use weight loss supplement Natural Max Slimming because it was found to contain fluoxetine, sildenafil and sibutramine.

Recalls & Warnings

9/05/2015

Powdered Caffeine Risky, FDA Warns

On August 27, 2015, the FDA issued a warning letter to five companies selling caffeine powder, warning that the powder "presents a significant or unreasonable risk of illness or injury under the conditions of use recommended or suggested in the labeling."

Recalls & Warnings

3/13/2015

Three Weight Loss Supplements Found to Contain Drugs

The FDA recently warned consumers not to buy or use the following weight loss supplements because they were found to contain undeclared drugs. Each was identified during an examination of international mail shipments.

Recalls & Warnings

4/16/2014

Weight Loss Supplements Found To Contain Prescription Antidepressant and Other Drugs

On March 7, 2014, the FDA issued a warning letter to Deseo Rebajar Inc. because the company's following weight loss products were found to contain drugs:

Recalls & Warnings

7/27/2012

Prescription and Street Drug Alternatives Found in Male Enhancement, Mood, and Sleep Supplements

On July 10, 2012, the FDA issued a warning letter to Evol Nutrition Associates, Inc. subsequent to a 2011 inspection which found a number of the company's products contained prescription and investigational drugs and were misbranded.

Recalls & Warnings

1/02/2004

Canada Reiterates Warning on Products Containing Kava

On December 23, 2003, Health Canada reminded Canadian consumers of the serious risks associated with the use of products containing kava.

Recalls & Warnings

6/21/2002

Canadian Warning on Use of Seven Herbal Supplements from BotanicLab

On June 19, 2002, Health Canada issued a warning that Canadians not use seven herbal products manufactured in the United States by BotanicLab because they contain undeclared prescription drugs that could cause serious health effects if not taken under medical supervision.

Recalls & Warnings

3/25/2002

FDA Advises Consumers of Risk of Severe Liver Toxicity with Kava

On March 25, 2002 the U.S. Food and Drug Administration (FDA)issued a Consumer Advisory, as well as a letter to health care providers, advising of the potential risk of severe liver injury associated with the use of kava-containing dietary supplements.

Recalls & Warnings

8/25/2002

Canadian Recall and Stop-Sale Order on All Kava Products

Health Canada is issuing a stop-sale order for all products containing the herb kava after a safety assessment concluded there is insufficient evidence to support their safe use. The department is also requesting the recall of these products from all levels of the market.

Recalls & Warnings

3/17/2004

Marketers of “Focus Factor” and “V-Factor” Fined for Advertising Claims

On March 17 , 2004 the Federal Trade Commission (FTC) reported that the marketers of “Focus Factor,” a dietary supplement that purports to improve concentration, and “V-Factor,” a supplement that purports to enhance sexual performance, have agreed to settle charges that they made numerous ...