Product Tests Select a Review CL Answers  Warnings  Encyclopedia Where to Buy News


General Advertising: (CL) accepts certain advertising on its Web site which it considers useful to viewers. Ads are shown as separate from's independent content. CL does not accept advertisements for vitamins, supplements, or nutrition products that have failed or not undergone testing by CL.

Product Advertising:
Manufacturers of products that have passed CL's testing may provide more information about such products through a paid advertising page. This page allows manufacturers to provide distinguishing features of the product, where or how the product may be purchased, general information about the manufacturer, and links to other sites including online retailers. CL reviews these advertisements for accuracy. The page links to the name of the product where it is listed in CL's Product Reviews.

Advertising of Retailers on the Where to Buy Products page:
Many visitors to our website are looking for retailers from which they can purchase quality products. Retailers found to be reputable by CL that sell products that have passed CL testing may advertise on the CL website through one or both of the programs described below. Not all products sold by these vendors have necessarily passed CL testing.

Where to Buy Products page:
Where to Buy Products page provides information about vendors and one or more links to each vendor's website.

If a retailer sells an item that has passed CL testing, it may link from that product's listing on the CL website to its own site where the product is listed for sale. Some products have links to multiple vendors.

For more information about advertising on's Web site, please contact




Follow us on... Encyclopedia

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

Join |  Sign In
Join Us on Facebook! Join Us on Instagram! Join Us on Twitter! Join Us on Google+! Join Us on YouTube! 
Product Tests
Brands Tested
Health Conditions
CL Answers
Clinical Updates
Recalls & Warnings
Where to Buy Products
Raw Materials Tests
Testing Program
Join CL Today
Join Free Newsletter
Group Subscriptions
Gift Membership
About Us
The CL Seal
CL Survey
Privacy Policy
Contact Us/Help

©2018, 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. This site is intended for informational purposes only and not to provide medical advice.