Product Reviews and Information for Schizophrenia
Search term may appear only in full report available to members. Join now for full access.
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.

Product Review
Glycine Supplements Review
Tests of Glycine Show High-Quality but Major Savings with Right Products.

Product Review
CBD Oils, Softgels, Gummies, Creams & Salves Review
See How Much CBD and THC We Found in Products.

Product Review
L-Theanine Supplements Review
Touted for Stress Relief, Do L-Theanine Supplements Work?

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.

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

Product Review
DHEA Supplements Review
Choose the Best DHEA Supplement. Beware of Big Differences in Dose and Price.

Product Review
NAC (N-Acetyl Cysteine) Supplements Review
Choose the Best N-Acetyl Cysteine Supplement. See Our Tests of Popular NAC Supplements and Top Picks for Quality and Value.

Product Review
Ashwagandha Supplements Review
Find the Best Ashwagandha Supplement. Only 38% of Ashwagandha Products Pass Tests.

News Release
August 23, 2023
ConsumerLab Tests Find More CBD, Less THC in CBD Oils, Gummies, and Topicals
White Plains, New York, August 23, 2023 — Recent ConsumerLab tests of popular CBD (cannabidiol) products on the market revealed that, overall, products contain more CBD, and less THC (tetrahydrocannabinol, a psychoactive compound) than in previous years.
News Release
December 09, 2014
Round-up of Recent Product Tests by ConsumerLab.com -- Results for B Vitamin Supplements & Energy Drinks, Garlic, NAC (N-acetyl cysteine), Iron and Omega-7 Fatty Acids
White Plains, New York, December 9, 2014 — In recent months, ConsumerLab.com has published test results for a variety of popular supplements, including B vitamins supplements and energy drinks, NAC (N-acetyl cysteine), iron and garlic. In addition, ConsumerLab.
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.
Recalls & Warnings
May 02, 2015
Maker of Garcinia, Joint Supplements and More Warned for Manufacturing Violations, Drug Claims
On March 25, 2015, the FDA issued a warning letter to JW Nutritional LLC, following a facility inspection which found the company's products, including Vanish V2 Domestic, Mr.
Recalls & Warnings
April 29, 2014
Seller of B Vitamins, CoQ10, Amino Acids and Other Supplements Warned for Manufacturing Violations and Drug Claims
On April 1, 2014, the FDA issued a warning letter to Bio-Recovery, Inc.
Recalls & Warnings
August 16, 2006
Marketers of Diabetes Supplement Banned From Claiming Products Treat or Cure Diseases
On August 10, 2006, the Federal Trade Commission (FTC) announced that an operation selling Chinese herbal supplements is banned from claiming its products treat or cure diseases, to settle FTC charges it violated a previous court order.
Recalls & Warnings
January 05, 2005
Marketers of Brain-Rejuvinating Supplement Settle FTC Charges of False Claims
On January 5, 2005, the U.S. Federal Trade Commission (FTC) announced that a company that heavily advertised an herbal dietary supplement called "Sagee" to the Chinese-language and Vietnamese-language communities had settled FTC charges of making false and unsubstantiated claims for the product.
Recalls & Warnings
June 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 ...