Product Reviews and Information for ADHD
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CL Answer
Supplements for Attention-Deficit/Hyperactivity Disorder (ADHD): Are Any Helpful?
Dietary supplements are often explored as alternative options or add-on interventions for people with ADHD. Learn which, if any, have shown possible benefit and which don’t seem to help or may interfere with ADHD medication.
CL Answer
Can fluoride in toothpaste, mouth rinses or drinking water cause attention-deficit/hyperactivity disorder (ADHD) or other neurodevelopmental disorders in children?
Find out if community water fluoridation increases the risk of attention-deficit/hyperactivity disorder (ADHD) or causes lower IQ in children, and learn what the American Dental Association recommends when using fluoride-containing toothpaste and mouth rinses in children.
Product Review
Ginseng Supplements Review
Find the Best Ginseng Supplement. Key "Ginsenosides" Found to Range 10-Fold Across Products.
CL Answer
L-Tyrosine: Health Effects and Safety
Tyrosine has been evaluated for conditions including physical and mental stress, phenylketonuria (PKU), depression, and attention deficit-hyperactivity disorder (ADHD). Find out if it works and if it's safe.
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.
CL Answer
Magnesium L-Threonate (Magtein): Health Effects & Safety
Magnesium L-threonate (Magtein) is promoted for boosting memory and cognition, improving mood, supporting sleep, reducing stress and improving symptoms of attention-deficit/hyperactivity disorder (ADHD). Find out if it works and if it's safe.
Clinical Update
Clinical Update
12/08/2025
Supplements for ADHD?
Do any supplements help improve symptoms of Attention-Deficit/Hyperactivity Disorder (ADHD)? Find out in our new article about supplements and ADHD.
Product Review
L-Theanine Supplements Review
Touted for Stress Relief, Do L-Theanine Supplements Work?
Product Review
Black Currant, Borage, Evening Primrose, Flax and Hemp Seed Oil Review
Choose the Best Flaxseed and Other Oils Based on Our Tests.
Clinical Update
1/31/2016
Probiotic May Help Prevent ADHD
A study found that none of the children given a specific probiotic around infancy (as well as to their mothers) developed attention deficit hyperactivity disorder (ADHD), compared to 14% of those given a placebo. Details about this preliminary but intriguing study and the commonly-available probiotic used are found in the Probiotic Supplements and Kefirs Review >>
Clinical Update
11/19/2014
Ginseng for ADHD
A ginseng extract showed promise in improving the symptoms of attention deficit-hyperactivity disorder (ADHD) without adverse effects in children ages 6 to 15 in a placebo-controlled study. You can get details about this and other studies with ginseng, as well as our test results for ginseng supplements in the Ginseng 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?
CL Answer
What is Pycnogenol, does it work, and is it the same as other pine bark extracts?
Learn more about Pycnogenol, including evidence from clinical studies on blood clots, osteoarthritis, cognition, vision, tinnitus, and the skin and safety.
CL Answer
Does Bacopa extract improve memory, mood, or sleep? Is it safe?
Find out if bacopa improves memory and cognition, mood or sleep, and whether it's been shown to be helpful in people with Alzheimer's disease or dementia. Plus, learn about the safety and common side effects of bacopa.
Product Review
Probiotic Supplements Review (Including Pet Probiotics)
See What's Really in Probiotics and Our Top Picks
CL Answer
What are "broad-spectrum micronutrient" supplements, and do they have greater health benefits than multivitamin/multimineral supplements?
Learn about "broad-spectrum micronutrients" and how they compare to multivitamin/multimineral supplements.
Product Review
Iron Supplements Review (Iron Pills, Liquids and Chews)
See Which Iron Supplements Are CL's Top Picks for Different Needs
Clinical Update
5/13/2015
Treating ADHD with Omega-3s?
A new study giving boys omega-3 fatty acids (EPA and DHA) showed modest improvement in an important aspect of Attention Deficit/Hyperactivity Disorder. For details about this and other studies with omega-3 fatty acid supplements, as well as our tests of products, see the Fish Oil and Omega-3 Fatty Acid Supplements Review >>
Clinical Update
5/24/2024
Fluoride Risk During Pregnancy?
A recent study suggested a link between higher fluoride exposure during late pregnancy and an increased risk of certain behavior problems in offspring, although there are notable caveats. See our article about fluoride and ADHD for details.
Get more information about fluoride in our article about toothpaste.
CL Answer
Here’s What You Should Look For In Toothpaste and Mouthwash, and Our Top Picks
Learn about ingredients you want in your toothpaste, mouthwash and other dental products and which ingredients you may want to avoid.
CL Answer
Do brain games and apps really work and improve memory?
Find out if brain training games & apps, like Lumosity & BrainHQ, really work to train the mind and improve memory. ConsumerLab.com's answer explains.
News Release
January 23, 2025
ConsumerLab Tests Identify Best Black Currant, Borage, Evening Primrose Flax and Hemp Oils
White Plains, NY, January 23, 2025 — Black currant, borage, evening primrose, flax, and hemp oils contain omega-3, -6, and/or -9 fatty acids that, when replacing saturated fats in the diet, may help reduce cardiovascular risk.
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.
CL Answer
Do any supplements naturally suppress appetite and help with weight loss?
Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
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
August 13, 2015
Feeling Stressed? ConsumerLab.com Reviews the Evidence for L-Theanine and Test Popular Products
White Plains, New York, August 21, 2015 — L-theanine is often promoted to reduce stress, and for conditions such as ADHD — but does it really work? ConsumerLab.com recently reviewed the evidence and purchased popular brands of L-theanine to test their quality.
News Release
May 24, 2006
Problems persist with ginseng supplements — ConsumerLab.com finds nearly half of products lack ingredient or contaminated
WHITE PLAINS, NEW YORK — May 24, 2006 — ConsumerLab.com has released test results for dietary supplements made with ginseng, a popular herb promoted for vitality and the treatment or prevention of a range of medical conditions.
News Release
August 28, 2003
Some problems persist with ginseng supplements but overall quality improves according to ConsumerLab.com — Test results published online today
WHITE PLAINS, NY — August 28, 2003 — In contrast to its testing three years ago in which nearly 60% of Asian and American Ginseng supplements were found to have significant problems, testing of recently purchased products by ConsumerLab.
Recalls & Warnings
November 30, 2023
Discover Health, LLC Warned for Promoting CBD Products for Cancer, Epilepsy, & More
On November 16, 2023, the FDA issued a Warning Letter to Discover Health, LLC d/b/a Discover CBD and Strain Snobs following a review of the company’s websites that found statements about the company’s Active CBD Oil – Full Spectrum Distillate Cartridge, Active CBD Oil – ...
Recalls & Warnings
July 22, 2022
FDA Warns Seller of Vision, Calcium & Magnesium Supplements and More
On June 14, 2022, the FDA issued a warning letter to New Sun Inc. following inspection of the company’s website which found statements about the company’s products to be drug claims.
Recalls & Warnings
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.
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
March 15, 2013
Maker of Liquid Supplements Warned For Manufacturing Violations and Drug Claims
On January 31, 2013, the FDA issued a warning letter to Liquid Health, Inc.
Recalls & Warnings
October 22, 2019
Company Marketing CBD for Use in Infants and Children Gets Strong Warning
On October 10, 2019, the FDA and FTC issued a joint warning letter to Rooted Apothecary LLC for "illegally selling unapproved products containing cannabidiol (CBD) online with unsubstantiated claims" including that the products could treat teething pain and ear aches in infants, autism, ...
Recalls & Warnings
October 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
June 07, 2017
FDA Warns Seller of Probiotic and Omega-3 Supplements for Manufacturing Violations
On May 22, 2017, the FDA issued a warning letter to BioTE Medical, LLC following a facility inspection which found its products, including BioTE DIM, BiotTE Probiotic, BioTE Iodine Plus, and BioTE Omega 3 to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
January 17, 2017
Seller of Heart, Senior and Teen Supplements Warned For Drug Claims
On December 7, 2016, the FDA issued a warning letter to Esteem Products Ltd following a review of the company's website, which found statements made about its products, Cardio Life, Total Man, Total Woman, Senior Total Man, Senior Total Woman , and Total Teen to be drug ...
Recalls & Warnings
December 07, 2014
FDA Raises Concerns Over Generic ADHD Drugs
On November 13, 2014, the U.S.
Recalls & Warnings
October 31, 2014
Seller of "Cleanse," Allergy Supplements and More Warned for Manufacturing Violations, Drug Claims
On October 15, 2014, the FDA issued a warning letter to Evangelical Christian Ministries, dba Health & Herbs, following a facility inspection which found the company's products, CORYDALIS and CVF BGONE to be adulterated because they were prepared, packed, or held under conditions that violate ...
Recalls & Warnings
May 10, 2013
Maker of Concentration, Pain, Immune, Cholesterol Supplements Warned For Drug Claims
On April 24, 2013, the FDA issued a warning letter to EuroPharma Co., Inc., following a review of the company's website which found statements made about Calm Kids, CholestCaps, CuraMed 375 mg, CuraMed 750 mg, Curamin, Mental Advantage, Tri-Iodine, and Viragen to be drug claims.