Join FREE Newsletter

My Account Logout Contact Us Subscribe Now! Login Contact Us
Home Product Tests  Warnings  Encyclopedia News Where to Buy
  • Instant Access to Reviews for OVER 1,000 Products!
  • Quality Ratings and Product Comparisons
  • Expert Insights and More!

In the News
Read More "In The News"

Clinical Updates:

Most Popular Reviews Other Recent Reviews Brands

Multivitamins Put to the Test; Defects Found in Nearly 40%
Make Sure Your Multivitamin Passed! Tests of 74 Products.

Fish Oil, Krill, Algal, Calamari, and Green-lipped Mussel Supplements Reviewed
Best Fish Oil? Many Are High Quality, But Pitfalls Exist

CoQ10 and Ubiquinol Differ in Quality, Absorption & Cost
Choose the Best CoQ10 & Ubiquinol -- and Save Money

Get the Most Cocoa Flavanols with the Least Contamination
What's Really in Your Cocoa and Dark Chocolate?

Deficiencies Found in B-Complex Products; See Caffeine Levels in Energy Drinks
Best Vitamin B Complexes, Vitamins, and Energy Drinks?

Find a CL Approved Supplement with Glucosamine, Chondroitin, MSM, or Boswellia
Some Problems Among Supplements for Joint Pain

See Tests of 21 Turmeric/Curcumin Supplements and Spices
33% of Turmeric/Curcumin Supplements Fail; Filthy Spices

41 Probiotics Reviewed
Many Probiotics Fall Short on Live Organisms

Wrong Amounts of Vitamin D and Pills That Don't Break Apart
Avoid Problems with Vitamin D Supplements!

Find Out If Melatonin Can Help You Sleep and Which Products Are Best!
Melatonin Sleep Supplements Tested and Reviewed

Find Out If You Need a Calcium and Which Rated Best
Caution with Calcium Supplements with Added Bone Health Ingredints!

Avoid Magnesium Supplements with Misleading Labels!
Best and Worst Quality Magnesium Supplements Identified.

Most Garcinia (HCA) Supplements Fail CL's Tests
Garcinia Weight Loss Supplements Found Lacking

Which Weight Loss Supplements Passed Our Tests? (Very few did)
Find Out If the Green Tea, 7-Keto DHEA or Stimulant Blend You Take Passed!

Popular Protein Powders, Shakes and Drinks Reviewed
31% of Protein Powders Flunk Quality Tests

Report Shows How to Choose Among High Quality Vitamin C Supplements
Vitamin C Review Reveals Major Differences in Price and Ingredients

Find a CL Approved Alpha-Lipoic Acid Supplement at the Best Price
Alpha-Lipoic Supplements Found to Range 1,000% in Cost!

20 Resveratrol Supplements Tested
What's Really in Resveratrol Supplements?

Lutein, Zeaxanthin and Vision Formulas Vary Widely
Which Vision Supplement Is Right for You?

See Our Ratings of Popular Coconut Water Brands -- O.N.E, Vita Coco, and Zico
Some Coconut Water Brands Don't Deliver on Promises.

Upcoming Reviews

Follow us on... Encyclopedia

In addition to our product reviews our encyclopedia covers the following:


Follow on Twitter    |     Become a Fan on Facebook
Join | Sign In
Home | Product Tests | Brands Tested | Encyclopedia | CL Answers | Clinical Updates | Where to Buy Products | Group Subscription
News | Recalls & Warnings | Raw Materials Tests | Testing Programs | The CL Seal | CL Survey | About Us
In The News | RDAs | Gift Memberships | Join Free Newsletter | Privacy Policy | Site Map | Testimonials | Contact Us/Help

©2015, LLC. All rights reserved. A single copy of a report may be printed for personal use by the subscriber.
It is otherwise unlawful to print, download, store or distribute content from this site without permission. name and flask logo are both registered trademarks of, LLC.