Sleep Supplements Reviewed by ConsumerLab.com

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Product Review

Melatonin Supplements Review

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

CL Answer

Which supplements and lifestyle changes improve sleep, and which cause insomnia?

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

CL Answer

Which supplements can help me sleep and which cause insomnia?

Find out which supplements may improve sleep, including melatonin, L-tryptophan, and magnesium, and which may make sleeping more difficult.

Supplements for Sleep -- woman awake in bed

CL Answer

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.

Product Review

CBD Oils, Softgels, Gummies, Creams & Salves Review

See How Much CBD and THC We Found in Products.

CL Answer

Can glycine improve sleep, reduce depression, or reduce nighttime urinary frequency?

Can glycine really help improve sleep, reduce depression, or reduce nighttime urinary frequency? Lean more about glycine and its uses and benefits.

Glycine for Sleep and Nighttime Urinary Frequency? -- Older Man Sitting on Bed, Awake at Night

CL Answer

Does taking zinc help with sleep?

Taking zinc to help you sleep? Find out if taking zinc really can help with sleep and insomnia. ConsumerLab.com's answer explains.

Product Review

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

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

Product Review

GABA Supplements Review

Does GABA Work As a Supplement?

Product Review

Valerian Supplements Review

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

CL Answer

Is it safe to take melatonin when taking prescription sedatives or sleep aids like lorazepam (Ativan) or zolpidem (Ambien)?

Safety information on taking melatonin while using prescription sedatives or sleep aids like lorazepam (Ativan) or zolpidem (Ambien).

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

Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.

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

Product Review

Saffron Supplements Review

See How Saffron Supplements Compare and What They Do

CL Answer

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.

Man reading a book while sitting in front of a light box

Clinical Update

6/30/2020

CBD for Sleep?

The ability of CBD to improve sleep may depend on the dose given and whether there are underlying conditions causing a sleep problem. See the results of the latest study and learn more in the What It Does section of the CBD and Hemp Extracts Review. Also see our Top Picks for CBD.

Clinical Update

1/04/2020

Foods That May Help Sleep

In addition to supplements like melatonin that can aid sleep, certain foods are associated with reduced risk of insomnia. We've added information about this to our answer to the question: Which supplements can help me sleep?

Clinical Update

5/01/2021

Saffron for Sleep?

Can saffron extract improve sleep in people with mild to moderate insomnia? See what a new study found in our updated answer to the question: Which supplements can help me sleep and which cause insomnia?

Clinical Update

8/21/2021

Bacopa for Better Sleep and Mood?

Does Bacopa extract improve sleep or mood? Find out what a recent study showed in our updated answer to the question: Does Bacopa extract improve memory, mood or sleep? Is it safe?

Clinical Update

9/04/2021

Saffron for Better Sleep?

Can taking saffron extract improve sleep in people with insomnia? See what a recent study found in our updated article about Supplements and Sleep.

Clinical Update

7/06/2019

Casein Peptides for Better Sleep?

People with difficulty sleeping were given a casein hydrolysate to see if it would help them sleep. Find out if it worked in the Casein section of the Protein Powders, Drinks and Shakes Review. Also see our Top Picks among casein and other protein products.

Clinical Update

6/04/2024

Melatonin & Sleep Apnea

Taking melatonin may improve sleep in people with sleep apnea who use CPAP devices according to a recent study. See the details in the What It Does section of our Melatonin Supplements Review, which includes our Top Picks for melatonin.

Clinical Update

6/04/2024

Magnesium for Sleep

Which form of magnesium helps with sleep? See the Sleep section of our Magnesium Review, which includes our Top Picks for magnesium.

Clinical Update

4/30/2024

Magnesium for Anxiety and Sleep?

Do magnesium supplements reduce anxiety or improve sleep? See what studies have shown for anxiety and sleep and also learn about the product Natural Vitality Calm which we tested in our recent Magnesium Supplements Review.

Clinical Update

5/14/2024

GABA for Sleep or Mood?

The authors of a recent study suggested that taking GABA before bedtime enhanced sleep efficiency, but we question whether it really helped at all, as discussed in the Insomnia section of our GABA Supplements Review, which includes our Top Picks among GABA supplements.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Clinical Update

8/04/2023

Smartphones & Sleep

Does turning off your smartphone a few minutes before bedtime help improve sleep quality? See what a recent study showed in the Lifestyle modifications section of our article about improving sleep.

Clinical Update

1/16/2024

Lysine for Sleep?

Does taking lysine improve sleep? Find out in the What It Does section of our Lysine Supplements Review, which includes our Top Picks for L-lysine.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Clinical Update

2/15/2022

NMN for Better Sleep?

Can nicotinamide mononucleotide (NMN) improve sleep and reduce daytime drowsiness? See what a new study found in the What It Does section of our NAD Booster Supplements Review. Also see our Top Picks among products, including NMN, NAD+/NADH, and nicotinamide riboside.

See our answer to the question: Which supplements can help me sleep and which cause insomnia?

Clinical Update

3/11/2022

Vitamin K and Sleep

Can taking vitamin K make it more difficult to sleep? Find out what research suggests in the Concerns and Cautions section of our Vitamin K Supplements Review.

Also see our answer to the question: What are the best supplements for insomnia? Are there any supplements that interfere with sleep?

Clinical Update

8/19/2022

Music for Better Sleep

Can listening to music before bedtime improve sleep quality? Find out what research suggests in our updated CL Answer about supplements and lifestyle interventions for sleep.

Clinical Update

10/11/2022

Fish Oil for Better Sleep?

Fish Oil for Better Sleep? Does fish oil improve sleep in middle-aged men and women? See what a new study found in the What It Does section of our Fish Oil Supplements Review.

Also see our answer to the question: What are the best supplements or lifestyle modifications for insomnia, and which can make insomnia worse?

Clinical Update

9/12/2024

Matcha for Sleep?

Does taking green tea matcha powder before bedtime improve sleep? Find out what a recent study showed in the Sleep section of our Green Tea Supplements Review, which includes our Top Picks among matcha powders and other green tea products.

Clinical Update

11/18/2024

Casein for Sleep?

Did Lactium, a branded casein, help people with insomnia fall asleep faster or improve sleep quality? See what a recent study found in the Casein section of the Protein Supplements Review, which includes our Top Picks among protein powders.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Clinical Update

12/09/2024

Valerian for Sleep?

How long does it take for valerian to increase sleep? See what one study found in the Sleep section of our Valerian Supplements Review, which includes our Top Picks for valerian.

Clinical Update

12/09/2024

Lemon Balm for Sleep?

Does taking lemon balm improve sleep quality? Find out what a recent study showed in our article about supplements for sleep.

CL Answer

Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?

Learn which supplements can ease tinnitus, including melatonin and pine bark extract. Understand which may actually cause tinnitus.

Product Review

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

See Our Top Picks and Which 5 Failed Testing

CL Answer

Supplements for multiple sclerosis (MS): Do any supplements reduce symptoms or relapse?

Find out if vitamins or supplements such as ginkgo, fish oil, biotin, vitamins A, C, E, D, and B12, or selenium reduce symptoms or relapse in people with multiple sclerosis (MS).

CL Answer

Do pistachio nuts really provide as much melatonin as supplements?

Find out if pistachio nuts, or other nuts such as Brazil nuts, cashews, peanuts and others, provide enough melatonin to help with sleep with effects similar to melatonin supplements. ConsumerLab.com's answer explains.

CL Answer

Do melatonin supplements reduce the body's own production of melatonin?

Find out if taking melatonin supplements can decrease the body's own natural production of melatonin (endogenous melatonin), plus other factors that can decrease melatonin levels. ConsumerLabcom's answer explains.

CL Answer

Could my CoQ10 supplement be causing my insomnia?

Learn more about the impact on sleep that supplements such as CoQ10, St. John's wort, and DHEA may have. Insomnia may be caused by certain supplements.

Clinical Update

11/07/2017

Melatonin Improves Sleep in Children with Autism

Prolonged-release melatonin helped children with autism fall asleep faster and stay asleep longer in a new study. Get the details, plus more about the best way to take melatonin to get a good night's sleep, in the "What It Does" section of the Melatonin Supplements Review >> [Also see our Top Picks for melatonin supplements in the Review.]

Clinical Update

3/19/2019

Melatonin for Troubled Sleep?

Does melatonin supplementation help people with a condition involving intense dreams as well as laughing, yelling, kicking or punching during sleep? Learn what a recent study found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

9/11/2011

Better Sleep with Valerian

A recent study evaluated the effect of valerian extract on postmenopausal women with insomnia. Among those women who took valerian, 30% reported an improvement in their sleep compared to only 4% in the placebo group. More details, including the dosage and type of valerian used in the study, is found in an update to the Valerian Supplements Review -- which includes our quality ratings of valerian products. More >>

Clinical Update

9/29/2015

Melatonin Helps Post-Op Sleep

A study found that giving melatonin to women significantly improved their sleep time during the weeks after breast cancer surgery. For details, including our tests of products, see the Melatonin Supplements Review >>

Clinical Update

8/24/2021

Parkinson's Disease: 5-HTP for Sleep?

Can supplementation with 5-HTP reduce sleep disturbances in people with Parkinson's disease? See what a recent study found in the What It Does section of our L-Tryptophan and 5-HTP Supplements Review.

Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?

Clinical Update

11/11/2021

Sleep, Drink, and COVID Hospitalization Risk

Lack of sleep and frequent consumption of certain beverages may each increase the risk of being hospitalized if you get COVID-19, according to a recent study. Get the details in our updated answer to the question: How are you staying healthy during the coronavirus pandemic?

Clinical Update

6/06/2020

Melatonin for Sleep and Parkinson's

Melatonin is known to trigger sleep, but can it help people with Parkinson’s disease? See the results of the latest study in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

11/10/2023

Valerian for Better Sleep?

Does taking valerian help people fall asleep faster, or stay asleep longer? Find out what the latest research shows in the What It Does section of our Valerian Supplements Review. Also see our Top Picks among products.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Clinical Update

11/14/2023

Valerian Tea for Insomnia?

Valerian tea is commonly promoted for improving sleep, but does it work? Find out in our Valerian Supplements Review, which includes our Top Picks for valerian.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Clinical Update

7/25/2023

Lavender Oil for Insomnia?

Did the aroma of lavender oil improve sleep or reduce hot flashes in postmenopausal women with insomnia? Find out in the What It Does section of our Lavender and Tea Tree Essential Oils Review, which includes our Top Picks among essential oils.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Clinical Update

5/16/2023

Melatonin Combination?

Does taking melatonin with CBD increase melatonin’s sleep effect or add side effects? See what a new study found.

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

Clinical Update

4/04/2023

Coffee’s Effects on Heart Rhythm, Sleep

Does drinking caffeinated coffee cause heart palpitations, or reduce sleep? See what a recent study found in our updated article about coffee and heart health.

Clinical Update

5/10/2024

Magnesium, Sleep Apnea & Restless Legs

Does taking magnesium help with sleep apnea? Does it help with restless legs syndrome? These questions are addressed in our Magnesium Supplements Review, which includes our Top Picks among magnesium supplements.

Also see: Do any supplements help with restless legs syndrome?

Clinical Update

7/26/2024

Caution with ZMA

Zinc magnesium aspartate (ZMA) is promoted among athletes for improving athletic performance and regulating sleep, but this supplement may actually reduce sleep time, according to a recent study. Get the details in the Concerns and Cautions section of our Magnesium Supplements Review which includes our Top Picks among magnesium supplements.

Clinical Update

11/08/2022

5-HTP for Sleep?

A CL Member asked how to use 5-HTP to improve sleep. Find out what research suggests in the 5-HTP section of our 5-HTP and L-Tryptophan and Supplements Review.

Also see our CL Answer about supplements and lifestyle modifications for insomnia.

Clinical Update

8/23/2022

Tart Cherry Juice for Sleep?

Can tart cherry juice or supplements improve sleep? Find out what a recent study showed in our updated article about the health benefits of tart cherry juice.

Clinical Update

8/30/2022

Ashwagandha for Better Sleep?

Can ashwagandha improve sleep? See what a recent study found in the What It Does section of our Ashwagandha Supplements Review.

Also learn about supplements for insomnia.

Clinical Update

9/28/2022

Better Sleep Habits Instead of Melatonin

An expert group is encouraging parents to improve sleep habits in children rather than give melatonin, citing potential safety concerns. Get the details in the What It Does section of our Melatonin Supplements Review.

Clinical Update

9/28/2022

Best Sleeping Position After Taking a Pill

Although it’s best to stay upright for at least 30 minutes after taking a pill, if you must lie down know which sleeping position is best. We’ve added this tip to our article: 6 Tips to Avoid Getting a Pill Stuck.

Clinical Update

3/03/2023

Prebiotic for Sleep and Mood?

Does supplementation with a prebiotic improve mood or sleep? See what a recent study found in the What It Does section of our Prebiotic Supplements Review, which includes our Top Picks among prebiotics.

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

Clinical Update

2/25/2022

Magnesium for Insomnia?

Can magnesium supplementation improve sleep in people with insomnia? Find out what research suggests in the What It Does section of our Magnesium Supplements Review. Also see our Top Picks among magnesium supplements.

See our answer to the question: Which supplements can help me sleep and which cause insomnia?

Clinical Update

7/26/2022

Chamomile for Sleep?

A CL member asked us if chamomile tea is helpful for insomnia. See what research suggests, and learn about potential interactions with chamomile, in our updated answer to the question: What are the best supplements for insomnia? Are there any supplements that interfere with sleep?

Clinical Update

8/02/2022

Glycine for Sleep?

Does taking glycine improve sleep and, if so, at what dose? Find out in our CL Answer about supplements for insomnia.

CL Answer

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

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

Product Review

African Mango (Seed Extract) Supplements for Weight Loss Review Article

Do African Mango Supplements Really Work For Weight Loss? Learn More About Choosing the Best African Mango Supplement: Evidence, Safety, Side Effects & More.

CL Answer

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

Find out which supplements for nerve pain, including fish oil and alpha-lipoic acid, are effective for sciatica, diabetic neuropathy, or postherpetic neuralgia.

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.

CL Answer

Is it true that I should not keep magnesium supplements in a daily pill pack mixed with other supplements and medicines?

Find out if magnesium should be stored separately from other types of supplements.

CL Answer

What are the health benefits of holy basil extract?

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

CL Answer

Can melatonin supplements cause depression or make depression worse?

Find out if melatonin supplements can cause depression or make depression worse. ConsumerLab.com's answer explains.

Product Review

Green Tea Review: Tea Bags, Matcha Powders, and Supplements

Some green teas provide barely any green tea polyphenols, while some others are high strength. See the Test Results and Our Top Picks for Green Tea.

CL Answer

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.

CL Answer

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.

CL Answer

What are human growth hormone (HGH) supplements? What are the benefits? Are they safe?

Learn about the benefits and risks of human growth hormone (HGH) supplements and injections. Get science-based insights on usage and effects.

CL Answer

Do detox foot pads or ionic foot baths remove heavy metals or other toxins from the body?

Detox foot pads and ionic foot baths are promoted for removing heavy metals and other toxins from the body. Find out if there is evidence to support these claims.

CL Answer

Does coffee have brain benefits?

People commonly drink coffee to increase alertness, counteract fatigue, and boost cognition, but does it really improve memory and cognitive function? Find out, and learn about risks linked with drinking too much coffee.

CL Answer

Which supplements, foods or diet and lifestyle changes help relieve acid reflux (heartburn), and which worsen it?

Find out which supplements and foods can help relieve acid reflux, and which can make it worse.

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.

CL Answer

What is C15:0 fatty acid (found in fatty15), and does it have health benefits?

C15:0 fatty acid in fatty15 is promoted for “healthier hair & skin, balanced metabolism, and deeper sleep,” as well as “slowing the aging process.” Find out if it works.

Product Review

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

See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.

Clinical Update

6/08/2021

Melatonin & Weight

Can melatonin supplementation improve sleep or reduce weight? See what a new study among nightshift workers found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

4/12/2022

Relief for Knee Replacement Pain?

After knee replacement, can topical CBD reduce pain and pain medication use, or improve sleep? See what a recent study found in the Update in our Review.

Clinical Update

5/10/2022

Choosing a Tart Cherry Product

Which tart cherry products are best for reducing muscle pain, improving sleep, or lowering blood pressure or cholesterol? Although the evidence is not strong, we identified products with the most evidence behind them in our Tart Cherry article.

Clinical Update

8/09/2022

B-12 and Insomnia?

A CL Member had trouble sleeping when taking high dose B-12 to correct a deficiency and asked us if this is common. Find out in the B-12 section of our B Vitamin Supplements Review.

Also see: Supplements That May Help or Worsen Insomnia.

Clinical Update

7/06/2022

Bacopa Interaction

Bacopa, a popular ingredient in memory supplements, may interact with medications, as was recently reported. Get the details in our updated answer to the question: Does Bacopa extract improve memory, mood, or sleep? Is it safe?

Also see our article about supplements for memory.

Clinical Update

11/18/2022

Is Chamomile Tea Safe?

A CL member asked if chamomile tea is safe to drink. It’s generally safe in moderation, but there are concerns with drinking large amounts and with regular consumption during pregnancy. For details, see the Chamomile tea section in our CL Answer about supplements for improving sleep.

Clinical Update

10/04/2022

Nighttime Urination & Supplements

We answered the following additional questions relating to our article about Supplements for Reducing Nighttime Urination:

Can sleep apnea or other conditions cause nighttime urination?

What dietary factors cause nighttime urination?

Does taking valerian or pine bark extract (Pycnogenol) reduce nighttime urination?

Clinical Update

8/08/2024

Melatonin for MS?

Does taking a melatonin supplement improve sleep, reduce fatigue, or have other benefits in people with multiple sclerosis? See what a recent study found in the What It Does section of our Melatonin Supplements Review, which includes our Top Picks among melatonin supplements.

Also see: Do any supplements reduce multiple sclerosis symptoms or relapse?

Clinical Update

4/23/2024

Prebiotic for Better Memory?

Did taking Sunfiber, a prebiotic, boost memory, mood, or sleep in older men and women? See what a recent study found in our Prebiotic Supplements Review, which includes our Top Picks among prebiotic supplements.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Clinical Update

5/14/2024

Melatonin and Restless Legs

Melatonin may help some people fall asleep faster, but might it worsen symptoms in people with restless legs syndrome (RLS), which makes sleeping more difficult? Find out in the Concerns and Cautions section of our Melatonin Supplements Review, which includes information about other potential side effects, as well as interactions, with melatonin.

Clinical Update

5/21/2024

L-Theanine May Reduce Sleep

A recent study of L-theanine suggests it may significantly reduce time asleep. See the details in the What It Does section of our L-Theanine Supplements Review, which includes our Top Picks.

Clinical Update

3/19/2024

Bright Light Glasses for Depression?

Did a popular brand of bright light therapy glasses improve symptoms of depression? See what a new study found in our article about light box therapy for depression and sleep disorders.

Clinical Update

11/07/2023

Does fatty15 work?

Does pentadecanoic acid (C15:0 fatty acid), found in the supplement fatty15, slow aging, or improve metabolism, sleep, hair or nails? Find out in our new article about pentadecanoic acid.

Clinical Update

3/29/2024

Bacopa for Memory?

Did bacopa extract improve memory and cognition in a recent study? Find out in our article about bacopa extract for memory, mood, and sleep.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Clinical Update

10/17/2023

Naps to Boost Cognition

Do afternoon naps improve cognitive function and sleep among people with mild cognitive impairment? Find out what a recent study showed in the Lifestyle Modifications section of our article about memory and cognition.

Clinical Update

10/27/2023

Melatonin for Menopause?

Did melatonin supplementation improve sleep and mood, and reduce hot flashes and other symptoms in women transitioning to menopause? See what a new study found in the What It Does section of our Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

11/17/2023

Melatonin vs. Exercise

Is melatonin or regular exercise more effective at improving sleep in children with autism spectrum disorder? Find out what a recent study showed in the What It Does section of our Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

1/05/2024

Getting C15:0 Fatty Acid from Food?

Can a person get a clinically relevant dose of C15:0 fatty acid (in the supplement fatty15 promoted for hair, nails, sleep and aging) from food? Find out in the Getting C15:0 fatty acid from food section of our article about C15:0 fatty acid.

Clinical Update

1/12/2024

How to Take C15:0 Fatty Acid

Should C15:0 fatty acid (in fatty15, which is promoted for improving hair, skin, and sleep and for slowing aging) be taken on an empty stomach or with food? Find out in the How to take section of our article about C15:0 fatty acid.

Also, learn whether C15:0 fatty acid is "essential," as some claim.

Clinical Update

1/12/2024

L-Theanine for Fatigue?

Did drinking a beverage containing L-theanine, with or without CBD, reduce fatigue? See what a recent study showed in the Stress, sleep and cognition section of our L-Theanine Review, which includes our Top Picks for L-theanine.

Also see: Which supplements help to improve energy and decrease fatigue?

Clinical Update

2/27/2024

Melatonin After Surgery?

Does taking melatonin improve sleep among people who’ve just had surgery? Find out what a recent study showed in the Before and After Medical Procedures section of our Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

1/23/2024

Chamomile and Bleeding Risk?

Does drinking chamomile tea increase bleeding risk? Find out in the chamomile section of our article about supplements for sleep.

Clinical Update

8/25/2023

Tart Cherry for Sore Muscles?

Did tart cherry extract reduce muscle soreness after exercise in a recent study? Find out, plus, see the evidence for tart cherry juice and supplements for improving sleep and memory, and other uses, in our article about the health benefits of tart cherry.

Clinical Update

7/15/2017

Lutein May Reduce Eye Strain and Headaches

Taking a combination of lutein and other carotenoids may help reduce eye strain, fatigue, headaches and sleep problems associated with extended time spent in front of computer screens. Get the details in the "What It Does" section of our Vision Supplements Review. The Review includes our tests and quality comparisons of popular vision supplements.

Clinical Update

12/08/2016

Vitamin D Keeping You Up?

A study of women given daily doses of vitamin D found that those who achieved the highest blood levels of vitamin D experienced a deterioration in the quality of their sleep. This is consistent with an earlier study showing decreased production of melatonin with high-dose vitamin D. For details, see the "Concerns and Cautions" section of the Vitamin D Supplements Review >>

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.

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

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

4/12/2017

Melatonin vs. Light Therapy for Sleep

A recent study found that melatonin was slightly better than light therapy in helping children fall asleep. The overall results, however, may have been better with a lower dose. For details see the "What It Does" section of the Melatonin 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

7/28/2018

Melatonin and Menopause

Can taking melatonin reduce the severity of menopause symptoms, such as difficulty sleeping, hot flashes, and sweats? Find out what a recent study showed in the What It Does section of the Melatonin Supplements Review. (Also see our Top Pick for melatonin.)

Clinical Update

7/13/2021

Melatonin and Autism

Can melatonin supplementation improve sleep, behavior, or mood in children with autism spectrum disorder? See what a new study found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks among melatonin supplements.

Clinical Update

8/28/2021

Therapy for Tinnitus?

A recent study tested whether cognitive behavioral therapy (CBT) could reduce the severity of tinnitus and tinnitus-related issues, such as trouble sleeping. See the results in our updated answer to the question: Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?

Clinical Update

10/05/2021

Glycine for Urinary Frequency?

Can supplementation with the amino acid glycine improve symptoms of overactive bladder or reduce urinary frequency? See what a new study found in our updated answer to the question: Can glycine improve sleep or reduce nighttime urinary frequency?

Clinical Update

10/27/2021

Vitamin D and Insomnia

Does vitamin D supplementation improve sleep or reduce insomnia in people with low blood levels of vitamin D? See what a new study found in the What It Does section of our Vitamin D Supplements Review.

Clinical Update

11/05/2021

When Melatonin Does or Doesn't Help in Hospitals

See the latest research on whether or not melatonin helps people undergoing medical procedures or when hospitalized. Also learn if melatonin has been shown to help with other sleep issues. It's all in our Melatonin Supplements Review, which includes our Top Picks for melatonin.

Clinical Update

1/21/2022

Melatonin, Sleep & Nighttime Asthma

There is some concern about the use of melatonin among people with nighttime asthma. Get the facts in the Concerns and Cautions section of our Melatonin Supplements Review.

Clinical Update

1/21/2022

Backpack Extract for ADHD?

Can taking bacopa extract improve symptoms of ADHD in children? Find out what a recent study suggests in our answer to the question: Does Bacopa extract improve memory, mood, or sleep? Is it safe?

Clinical Update

11/18/2021

Does Melatonin Increase Alzheimer’s Risk?

My doctor said that melatonin may increase the risk of Alzheimer's as some sleeping pills do. Is this true? See the answer in Concerns and Cautions section of the Melatonin Supplements Review.

Clinical Update

12/03/2021

Fracture Risk with Melatonin Supplements?

This week a newsletter reader asked if taking 3 mg of melatonin every night for sleep can increase the risk of fractures. Get the answer and find out why this is a valid concern in the Concerns and Cautions section of our Melatonin Supplements. Also see our Top Picks among melatonin supplements.

Clinical Update

10/31/2020

Melatonin for Insomnia?

Can melatonin help middle-aged men and women with insomnia fall asleep faster or improve sleep quality? Find out what a new study showed in the What It Does section of our Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

4/22/2020

Melatonin During Chemotherapy?

Does melatonin improve sleep quality and have other benefits during chemotherapy for breast cancer? Find out what a recent study showed in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.

Clinical Update

8/29/2020

Melatonin for Nightshift Workers?

Does using melatonin before going to sleep in the morning improve attention and concentration in people working nightshifts? Find out what a recent study showed in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for Melatonin.

Clinical Update

8/21/2020

Ashwagandha for Sleep

Can ashwagandha help people with insomnia fall asleep and stay asleep longer? Find out what studies are showing in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Picks for ashwagandha.

Clinical Update

12/16/2024

Melatonin for MS?

Does taking melatonin improve sleep or heart-rate control among people with multiple sclerosis? Find out what a recent study showed in the our Melatonin Supplements Review, which includes our Top Picks for melatonin.

Also see our article about supplements for multiple sclerosis.

Clinical Update

9/19/2024

Melatonin After Surgery?

Did taking melatonin improve sleep, reduce pain, or improve shoulder function after rotator cuff surgery? See what a recent study found in the What It Does section of our Melatonin Supplements Review, which includes our Top Picks for melatonin.

Product Review

Maca Supplements Review

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

CL Answer

I read that statins can cause diabetes. Is this true also with red yeast rice?

Find out if red yeast rice supplements increase the risk of diabetes, as some statin medications do. ConsumerLab.com's answer explains.

CL Answer

Is aloe an effective remedy for dry eye?

Find out if aloe can be used as an eye drop to help for dry eye, plus information about other supplements that may help for dry eye.

CL Answer

Which dietary supplements are most often linked to adverse reactions by users?

Find out which types of supplements are most likely to cause adverse effects such as nausea, dizziness, racing heart, or insomnia based on a study of supplement users. Also learn how often adverse effects are reported when taking workout and bodybuilding supplements, weight loss supplements, and more.

News Release

May 23, 2024

ConsumerLab Finds Little Ashwagandha in Most Ashwagandha Supplements

White Plains, NY, May 23, 2024 — Ashwagandha is often promoted to decrease stress and anxiety, and improve sleep and cognition.

News Release

May 07, 2024

ConsumerLab Tests Magnesium Supplements, Spots Problems and Selects a Top Pick

White Plains, NY, May 7, 2024 — Nearly half the U.S. population does not get adequate amounts of magnesium and may benefit from increasing magnesium intake from foods or supplementation.

CL Answer

I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements or foods I should avoid, or be taking, due to this drug?

Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.

Recalls & Warnings

February 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.

Product Review

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

Find Out If It's Worth Taking Vitamin K and Which Products Are Best

CL Answer

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.

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.

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.

CL Answer

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

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

CL Answer

What are the best bug sprays to prevent tick and mosquito bites? Is the insecticide permethrin safe to use?

Find out how permethrin sprays differ and which can be used on sheets and sleeping bags versus clothing

CL Answer

What are the side effects of magnesium supplements?

Info on magnesium supplement side effects, such as stomach upset, nausea and diarrhea. Learn about magnesium dosage, safety and drug interactions. ConsumerLab.com answer explains.

CL Answer

Will pregnenolone help slow down aging or reduce chronic pain?

Learn more about the steroid hormone pregnenolone, including its effects in the body and on aging and chronic pain.

CL Answer

What are the benefits of Daily Synbiotic by Seed Health? Does it do what it claims, and is it better than other probiotics and prebiotics?

Review of Daily Synbiotic by Seed, including information about the prebiotic and probiotic strains in the supplement, and whether there is evidence of benefit for the synbiotic.

CL Answer

Is there a lab test that can measure CoQ10 in the blood? Can it help to determine the dosage I should take for a certain condition, like heart failure?

Learn more about blood tests for CoQ10, normal ranges for CoQ10 levels and more.

CL Answer

Body Odor: Supplements & Foods That May Help, or Make It Worse

Some people with adequate personal hygiene still experience body odor. Learn if taking supplements such as activated charcoal, champignon extract, copper chlorophyllin, L-carnitine, N-acetyl cysteine (NAC), or other ingredients might help or make body odor worse.

Product Review

Protein Powders, Shakes, and Meal Replacements Review

Find Out Which Protein Products Passed or Failed Our Tests

News Release

April 11, 2024

Best CoQ10 & Ubiquinol Supplements According to ConsumerLab Tests

White Plains, NY, April 11, 2024 — CoQ10 and its active form, ubiquinol, are among the most popular supplements, taken by 42.2% of supplement users, often taken by people on cholesterol-lowering statin medication and for a variety of other conditions.

News Release

February 01, 2024

Best Melatonin Supplements for Sleep? ConsumerLab Selects Its Top Picks

White Plains, New York, February 1, 2024 — Melatonin supplements can help you fall asleep faster, but with so many different products on the market, which provide the best quality and value? To find out, ConsumerLab recently tested 20 popular melatonin supplements, including capsules, tablets, ...

CL Answer

Is topical menthol, such as Biofreeze, safe and effective for pain relief?

Menthol is commonly used in topical creams and gels for pain relief. Find out if it works and if it's safe.

News Release

March 09, 2023

L-Theanine Supplements Reviewed by ConsumerLab. Top Pick Chosen.

White Plains, New York, March 9, 2023 —L-theanine supplements are often promoted to reduce stress and improve sleep and cognition.

News Release

February 23, 2023

Best GABA Supplements Identified by ConsumerLab

White Plains, New York, February 23, 2023 — GABA (gamma-aminobutyric acid) supplements are claimed to have a "calming" effect, and are often promoted to reduce stress and insomnia and improve cognitive performance.

News Release

February 13, 2023

Saffron Supplements Vary Widely in Key Compounds, According to ConsumerLab Tests

White Plains, New York, February 13, 2023 — Saffron extracts are promoted to treat mood, improve cognition and vision, and even reduce appetite.

News Release

August 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.

CL Answer

Can taking too much vitamin B-6 be dangerous?

Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose.

News Release

September 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.

Product Review

Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams

Choose the Best Menopause Supplement. Find Out Now Which Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Have the Active Compounds You Want!

CL Answer

What is the best way to take curcumin? Is it better to take it all at once or in divided doses?

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

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

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.

CL Answer

Do any supplements improve balance or reduce the risk of falls?

Find out which vitamins & supplements may improve your balance to help reduce the risk of falling, including vitamin D and protein.

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

Are There Supplements That Help Treat POTS (Postural Orthostatic Tachycardia Syndrome)?

Find out which supplements and lifestyle changes may be helpful for people with Postural Orthostatic Tachycardia Syndrome (POTS).

CL Answer

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

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

Product Review

Iron Supplements Review (Iron Pills, Liquids and Chews)

See Which Iron Supplements Are CL's Top Picks for Different Needs

News Release

March 25, 2020

Trouble Sleeping? ConsumerLab Tests Reveal the Best Melatonin Supplements

White Plains, New York, March 25, 2020 — Melatonin supplements can help you fall asleep faster, and some may help you stay asleep.

Recalls & Warnings

May 30, 2024

Young Living Essential Oils Agrees to Pay $5 Million to Settle Lawsuit

Young Living Essential Oils has agreed to pay up to $5 million to settle a class action lawsuit that charged the company with promoting its essential oils to reduce stress and anxiety, improve sleep, and other health-related claims without reliable scientific evidence.

Recalls & Warnings

June 05, 2020

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

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

News Release

March 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.

News Release

July 31, 2018

Best L-Tryptophan and 5-HTP Supplements Identified by ConsumerLab -- ConsumerLab Tests Strength and Purity of Supplements for Sleep and Mood

White Plains, New York, July 31, 2018 — L-tryptophan supplements are often promoted to improve sleep and 5-HTP supplements to help with depression.

News Release

May 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.

Product Review

Pumpkin Seeds (Pepitas) Review

We Identified the Best Pumpkin Seeds

CL Answer

Which supplements and foods can help lower or control blood sugar?

Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.

CL Answer

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.

CL Answer

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.

CL Answer

Risks of Too Many Vitamins & Supplements

Taking too many vitamin supplements -- or taking too much of a particular supplement -- can have short and long-term adverse effects.

CL Answer

How much calcium from supplements is too much?

Too much calcium per day - how much is too much? Learn about the recommended daily intake from food & supplements and why taking too much calcium can be harmful.

CL Answer

What are the health effects of turkey tail mushroom and is it safe?

Learn about the possible health effects of turkey tail mushroom, including its use as adjuvant treatment for cancer and for boosting immune function, plus get information about possible side effects and find out why ConsumerLab has not yet tested turkey tail products.

CL Answer

A blood test showed my vitamin D level is low. How do I know how much vitamin D to take?

Find out how to increase vitamin D blood levels, including a good target range.

CL Answer

I'm over 50 and looking to take a vitamin B-12 supplement. Many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?

Looking to see if the cyanocobalamin form of vitamin B-12 is safe? Read research and safety information on ConsumerLab's report.

CL Answer

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).

News Release

September 26, 2017

ConsumerLab.com Explains How to Take Melatonin and Reveals Its Top Supplement Picks

White Plains, New York, September 26, 2017 — Melatonin is now one of the most popular supplements, largely due to its proven ability to trigger sleep.

News Release

February 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.

CL Answer

How do the COVID-19 vaccines compare in terms of efficacy, safety and side effects? How, when and where do I get the COVID-19 vaccine?

Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.

News Release

May 28, 2015

ConsumerLab.com Shows How to Choose the Right Melatonin Supplement for Sleep

White Plains, New York, May 28, 2015 — An estimated 60 million Americans experience insomnia each year, according to the National Institutes of Health, and they increasingly turn to the supplement melatonin for potential help. In fact, U.S. sales of melatonin increased 16.

Product Review

NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)

How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.

Product Review

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.

CL Answer

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

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

Recalls & Warnings

May 04, 2023

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

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

Recalls & Warnings

July 19, 2023

FDA Warns Seller of Sleepy Time Products and Honey Herbal Syrups for Manufacturing Violations

On June 28, 2023, the FDA issued a warning letter to Eden’s Answers, Inc. after an inspection of the company’s facility found products to be adulterated because they were prepared, packed, or held under conditions that do not meet Current Good Manufacturing Practices (CGMP).

Recalls & Warnings

May 24, 2023

Seller of Echinacea, High Blood Pressure Products & More Warned for Drug Claims

On May 12, 2023, the FDA issued a warning letter to H.E.A.L.

News Release

October 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, ...

CL Answer

Does cat’s claw have any health benefits and is it safe?

Cat's claw is promoted for numerous conditions, including arthritis (including osteoarthritis and rheumatoid arthritis), Alzheimer's disease, viral infections, boosting immune response to vaccination, and reducing side effects of chemotherapy. Find out if it works and if it's safe.

CL Answer

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.

CL Answer

Do any drugs prevent or treat COVID-19?

Learn more about drugs for preventing and treating COVID-19, including who can receive these treatments, when the treatments should be initiated, and which appear to be effective against Omicron variants.

CL Answer

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

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

CL Answer

L-Serine & D-Serine: Health Benefits and Safety

Serine exists in two forms: L-serine and D-serine. Find out how these two forms differ and learn if either form has health benefits and if it is safe.

CL Answer

ConsumerLab’s Review of The 'Pause Nutrition Supplements by Dr. Mary Claire Haver – Are They Worth It?

Looking into The 'Pause Nutrition supplements by Dr. Mary Claire Haver? ConsumerLab examines the value of products like Omega-3 + Vitamin D3 & K2, Fiber GDX, Skin Boost Plus, and more. Find out if these supplements are worth the price and discover affordable alternatives.

Recalls & Warnings

August 25, 2022

Oregon’s Wild Harvest Warned by FDA for Manufacturing Violations

On July 8, 2022, the FDA issued a warning letter to Oregon’s Wild Harvest, Inc.

Recalls & Warnings

June 22, 2023

FDA Warns Warrior Labz for Selling Products with Steroid-Like Substances and Prescription Drugs

On June 12, 2023, the FDA issued a warning letter to Warrior Labz SARMS following inspection of the company’s website and social media, which found that the company sold the following products labeled as containing steroid-like substances known as selective androgen receptor modulators ...

Recalls & Warnings

December 19, 2020

FDA Finds Unapproved Drugs in Many Weight Loss and Sexual Enhancement Products Sold Online

On December 18, 2020, the FDA warned consumers that certain products promoted for weight loss, body building, sexual enhancement, pain relief, sleep, and other uses because may contain harmful ingredients.

News Release

November 29, 2011

ConsumerLab.com identifies many quality melatonin sleep supplements, but prices range from 4 cents to over $1 for the same dose

White Plains, New York — November 29th, 2011 — Can melatonin help you sleep? "Melatonin supplements may help some people get to sleep sooner, particularly those with chronic sleeping problems, but don't just buy any supplement - they vary significantly in strength, dosage, and cost," ...

News Release

November 24, 2010

ConsumerLab.com faults AHPA trade group for misrepresenting quality of valerian supplements

White Plains, New York — November 24, 2010 — ConsumerLab.com responded today to false comments made by the American Herbal Product Associations (AHPA), an industry trade group, about ConsumerLab.com report published earlier this month on the quality of valerian herbal supplements.

News Release

November 10, 2010

Only 22% of valerian herbal sleep supplements selected for review pass tests for quality by ConsumerLab.com

WHITE PLAINS, NEW YORK — NOVEMBER 10, 2010 — ConsumerLab.com reported that most of the valerian herbal supplements recently selected for testing contained less of the herb than expected and/or were contaminated with lead.

Recalls & Warnings

June 05, 2020

LifeHealth Science Warned for Manufacturing Violations

On May 15, 2020, the FDA issued a warning letter to LifeHealth Science, which found the company's ORËÁ product to be adulterated because it was prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary supplements.

Recalls & Warnings

July 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

May 14, 2021

Maker of Care by Design CBD Settles Charges of Unsupported Claims

On May 5, 2021, Cannacraft, Inc.

CL Answer

Which air purifiers are best for reducing microbial and smoke particles from room air?

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.

CL Answer

Does Prevagen really improve memory?

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

CL Answer

When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?

Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.

CL Answer

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.

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, and possible drug interactions.

CL Answer

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?

CL Answer

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

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

CL Answer

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.

CL Answer

Which supplements can help with indigestion and/or heartburn?

Information on supplements for heartburn that can help relieve gastrointestinal symptoms - heartburn, indigestion and acid reflux.

News Release

October 02, 2008

ConsumerLab.com finds melatonin supplements range in strength but ingredient quality is high

WHITE PLAINS, NEW YORK — OCTOBER 2, 2008 — ConsumerLab.com announced test results today from its new Product Review of Melatonin Supplements. Melatonin supplements may help treat certain sleep disorders and disturbances, including jet lag.

Recalls & Warnings

December 18, 2006

Canada Warns of Herbal Sleep Product Containing Rx Drug

On December 18, 2006 Health Canada advised consumers not to use a product called Eden Herbal Formulations Sleep Ease Dietary Supplement, because it was found to contain an undeclared drug estazolam, which can be habit-forming when used for as little as a few months.

CL Answer

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

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

Recalls & Warnings

April 24, 2021

Metal Reported in Church & Dwight Gummy Melatonin, Multis & Fiber Supplements

On April 20, 2021, Church & Dwight Co., Inc.

Recalls & Warnings

December 22, 2021

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

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

Recalls & Warnings

December 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

August 31, 2006

Canada Advises Consumers Not To Use Adulterated Sleep Supplement

On August 30, 2006, Health Canada (the Candian Health Ministry) Health Canada advised consumers not to use Salt Spring Herbals Sleep Well Dietary Supplement because a sample analyzed by Health Canada has been found to contain the undeclared drug estazolam, a sedative that can be habit-forming when ...

Recalls & Warnings

May 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.

Recalls & Warnings

December 17, 2020

FTC Crackdown on Six Deceptive CBD Products

On December 17, 2020, the FTC announced that it is taking action against six companies for selling CBD products with unsupported and deceptive health claims that they can treat a variety of conditions, including cancer, heart disease, hypertension, Alzheimer's disease, and others.

CL Answer

Does red and near infrared light therapy reduce pain, improve skin or cognition, or have other benefits? Is it safe?

Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.

Recalls & Warnings

November 26, 2019

FDA Warns Companies Selling CBD Products as Dietary Supplements

On November 25, 2019, the FDA issued warning letters to 15 companies for selling products containing CBD (cannabidiol) labeled and marketed as dietary supplements, and/or for making drug claims about these products.

Recalls & Warnings

November 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

April 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

July 11, 2014

Maker of Cough and Sleep "Remedies" Warned for Drug Claims

On June 27, 2014, the FDA issued a warning letter to Zarbee's, Inc.

Recalls & Warnings

July 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

August 20, 2019

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

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

Recalls & Warnings

August 16, 2013

Maker of Energy, Weight Loss, Sleep and Vitamin D Supplements Warned for Manufacturing Violations

On July 22, 2013, the FDA issued a warning letter to N.V.E. Pharmaceuticals, Inc.

Recalls & Warnings

August 08, 2013

Sleep Supplement Recalled Due To Undeclared Drugs

On August 7, 2013, Health and Beyond LLC issued a voluntary recall of dietary supplement Tranquility because it was found to contain traces of undeclared drugs, Doxepin and Chlorpromazine.

Recalls & Warnings

April 15, 2003

FTC Requires Scientific Evidence for "Snore Formula" Claims

On April 15 2003, the U.S. Federal Trade Commission (FTC) announced that an Arizona-based company, Snore Formula, Inc., its officers, and a distributor have agreed to settle FTC charges that they failed to have scientific substantiation for the claims made for "Dr.

News Release

August 15, 2006

Over 70% of herbal sleep supplements fail tests for quality by ConsumerLab.com — Results for 16 valerian products released today

WHITE PLAINS, NEW YORK — AUGUST 15, 2006 — Most of the valerian dietary supplements recently tested by ConsumerLab.com were low in potency and/or contaminated, the testing company reported today. Valerian, an herbal sleep aid, accounts for approximately $50 million in sales in the U.S.

News Release

March 29, 2006

ConsumerLab.com reports on 29 popular melatonin sleep supplements

WESTCHESTER COUNTY, NEW YORK — MARCH 29, 2006 (UPDATED APRIL 7, 2006) — ConsumerLab.com announced test results today from its new Product Review of Melatonin Supplements covering 29 products.

Recalls & Warnings

December 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.

Recalls & Warnings

January 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

January 16, 2018

Adverse Effects From Energy Drinks Common Among Youth and Young Adults

More than half (55.4%) of young people who have ever consumed an energy drink have experienced at least one adverse reaction, according to study published yesterday in CMAJ Open, a journal of the Canadian Medical Association.

Recalls & Warnings

April 18, 2013

Cardio, Energy and Sexual Enhancement Supplement Distributor Warned For Manufacturing Violations and Drug Claims

On December 21, 2012, the FDA issued a warning letter to ForMor Inc, dba ForMor International, following a facility inspection which found the company's Cardio Cocktail and Argenix dietary supplements to be adulterated because because they were prepared, packed, or held under conditions that do ...

Recalls & Warnings

April 03, 2015

Health Canada Suspends Sales of Male Fern Products

On April 2, 2015, Health Canada (the Canadian equivalent of the U.S. FDA) announced it has suspended the licenses of the natural health products containing the ingredient male fern (Dryopteris filix-max), due to concern over the safety of the ingredient when taken at higher doses.

Recalls & Warnings

April 03, 2014

Maker of Green Coffee Bean Extract and Weight Loss Supplement Warned for Manufacturing Violations

On March 13, 2014, the FDA issued a warning letter to Libi Labs, Inc.

Recalls & Warnings

March 19, 2014

Maker of Herbal Capsules and Extracts Warned for Manufacturing Violations

On September 19, 2013, the FDA issued a warning letter to Herbalist and Alchemist, Inc.

Recalls & Warnings

December 19, 2013

Maker of Joint Health Supplements Warned for Manufacturing Violations

On December 4, 2013, the FDA issued a warning letter to PurQuality, LLC.

Recalls & Warnings

October 25, 2013

Supplement Company Warned For Numerous Manufacturing Violations

On August 2, 2013, the FDA issued a warning letter to DNE Nutraceuticals, Inc., following a facility inspection which found the company's products to be adulterated because they were packed, or held under conditions that violate Current Good Manufacturing Practices for dietary supplements.

Recalls & Warnings

February 28, 2017

Seller of Tea Supplements Warned for Manufacturing Violations

On February 3, 2017, the FDA issued a warning letter to Kumato Labs, following a facility inspection which found the company's products, including CHO WA Tea, COMOXIN IBS Formula and NEMURI Sleep Formula to be adulterated because they were prepared, packed, or held under ...

Recalls & Warnings

June 13, 2012

Tart Cherry Supplement Selller Warned by FDA Over Illegal Health Claims

The U.S. FDA recently published a Warning Letter (dated June 8, 2012) to Michelle's Miracle, Inc. for illegally promoting a range of tart cherry dietary supplements using health claims reserved for drugs. The products cited are:

Recalls & Warnings

June 01, 2012

Homeopathic Manufacturer Settles False Advertising Suit

June 1, 2012 — A federal court in California recently authorized the settlement of a class action lawsuit against Boiron Inc. and Boiron USA, Inc.

Recalls & Warnings

July 21, 2003

FTC Stops False Advertising of Heavily Promoted Supplements for Breast Enhancment, Male Virility, and Snoring

On June 10, 2003, the Federal Trade Commission (FTC) announced that infomercial marketers Wellquest International, Inc. and Tony Hoffman Productions, Inc.

Recalls & Warnings

August 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

June 20, 2002

Canadian Warning on Use of Bejai Bowyantan for Infants

On June 14, 2002, Health Canada warned Canadians not to use Bejai Bowyantan for their young children and infants because it contains a substance with similar toxic properties to another substance known to cause serious adverse reactions and death in children.

Recalls & Warnings

December 26, 2012

Seller of Blood Sugar, Depression and Sleep Supplements Warned For Making Drug Claims

On October 15, 2012, the FDA issued a warning letter to BioNeurix Corporation after statements found on the company's website, http://www.pharma-tree.com, were found to promote the dietary supplements Blood Sugar 360, Amoryn, Seredyn, and Mellodyn as drugs.

Recalls & Warnings

January 16, 2016

Seller of Liver, Lung Support Supplements Warned for Drug Claims

On January 4, 2016, the FDA issued a warning letter to Tibetan Herbal Balance, Inc.

Recalls & Warnings

August 06, 2015

Children and Adult Gummy Vitamins Recalled in Canada Due to Excessive Vitamin D

On August 6, 2015, Health Canada (the Canadian equivalent of the U.S. FDA) announced Church & Dwight Canada Corp. is recalling the following supplements because they contain more vitamin D than claimed on the label (identified in Canada by their assigned natural product number (NPN):

Recalls & Warnings

July 28, 2015

Abnormal Heart Rhythms Linked with Unauthorized Natural Product, Health Canada Warns

On July 27, 2015, Health Canada (the Canadian equivalent of the U.S. FDA) announced that it has received a serious adverse reaction report of abnormal heart rhythms associated with the use of an unauthorized natural product in Canada called Remogen, which contains the drug ibogaine.

Recalls & Warnings

April 17, 2015

Herbal Laxative and "Detox" Kit Containing High Levels of Lead and/or Arsenic Recalled in Canada

On April 15, 2015, Health Canada (the Canadian equivalent of the U.S. FDA) announced that St. Francis Herb Farm Inc.

Recalls & Warnings

June 23, 2017

FDA Warns Seller of Menopause, Sexual Enhancement, Prostate Supplements and More For Manufacturing Violations

On May 26, 2017 the FDA issued a warning letter to Star Health & Beauty LLC, following a facility inspection which found the company's products, including Nu Essentials Royal Jelly Capsules, NuMan Male Enhancement Capsules, Star's Male Potency Tonic, NuGen HP, She Max HP, and V Max ...

Recalls & Warnings

December 16, 2015

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

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

Recalls & Warnings

August 02, 2014

Judge Orders BioAnue To Stop Illegal Cancer and Disease Claims

On July 23, 2014, Gloria D.

Recalls & Warnings

June 14, 2007

Marketers of Bogus Growth Hormone Sprays Settle with FTC

On May 29, 2007 the Federal Trade Commission (FTC)announced that two operations that marketed oral sprays that were supposed to help users lose weight, reverse the aging process, and prevent or treat diseases have settled FTC charges that their claims were bogus.

Recalls & Warnings

October 18, 2005

FTC Stops False Claims about HGH Oral Spray

On October 18, 2005, the Federal Trade Commission (FTC) announced that, at its request, a federal court issued a temporary restraining order against marketers of oral sprays that supposedly contain human growth hormone (HGH) to stop them from making alleged false and deceptive claims and from ...

Recalls & Warnings

October 12, 2005

Supplement Company to Pay $2 Million Penalty For Alleged Violations of FTC Order

On October 12, 2005 the Federal Trade Commission (FTC) announced that under the terms of a consent decree approved by the it for submission by the U.S. Department of Justice (DOJ) to the federal court for approval, NBTY, Inc. (NBTY, formerly Nature’s Bounty, Inc.

News Release

July 07, 2004

ConsumerLab.com finds several herbal sleep supplements fail tests for quality — Results for 13 valerian products released today

WHITE PLAINS, NY — Wednesday, July 7, 2004 — ConsumerLab.com announced today that five valerian dietary supplements failed to pass recent testing due to low potency and/or contamination. Valerian, an herbal sleep aid, accounted for $47 million in sales in the U.S.

News Release

April 22, 2004

ConsumerLab.com shares insights from 2 years of testing supplements for athletic banned substances — Athletes and manufacturers urged to learn how to avoid problems

WHITE PLAINS, NY — April 22, 2004 — Two years after initiating the first program to test dietary supplements for substances banned from athletic competition, ConsumerLab.com today released a short advisory summarizing problems uncovered to-date from its testing.

Recalls & Warnings

May 14, 2014

Maker of Mood, Smoking Cessation Supplements and More Warned for Violations, Drug Claims

On April 17, 2014, the FDA issued a warning letter to CDJ Holding, Incorporated, d.b.a.

Recalls & Warnings

August 31, 2007

FTC Stops Spammers Selling Bogus Hoodia and Human Growth Hormone

On August 23, 2007, the Federal Trade Commission (FTC), announced that spammers must stop sending unwanted and illegal e-mail messages about hoodia weight-loss products and human growth hormone anti-aging products the FTC alleges don't work.

News Release

December 30, 2002

Top quality melatonin products identified by ConsumerLab.com — Hormone supplement used to treat sleep disturbances due to jet travel and other causes

WHITE PLAINS, NY — December 30, 2002 — In its latest Product Review, ConsumerLab.com found that 16 of 18 melatonin dietary supplements met their label claims and were free of lead contamination.

News Release

July 09, 2001

Many herbal sleep products lack key claimed ingredient — Results of ConsumerLab.com's testing of valerian products released on web today

WHITE PLAINS, NY — July 9, 2001 — ConsumerLab.com, an independent evaluator of dietary supplements and nutrition products, today released results of its Product Review of valerian supplements — used primarily as sleep aids and minor tranquilizers.

Recalls & Warnings

October 21, 2014

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

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

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