Consumer Protection Organizations

Stephen Barrett, M.D.

Committee for Skeptical Inquiry (CSI)

CSI is a is a nonprofit scientific and educational organization headquartered in Amherst, New York. It was founded in 1976 as the Committee for Scientific Investigation of Claims of the Paranormal (CSICOP) and adopted its current name in 2007. CSI encourages the critical investigation of paranormal and fringe-science claims from a responsible, scientific point of view and disseminates factual information about the results of such inquiries to the scientific community and the public. It also promotes science and scientific inquiry, critical thinking, science education, and the use of reason in examining important issues. To carry out its objectives, CSI:

CSI's official journal is The Skeptical Inquirer, whose 25-year index is now online. Associate membership, which includes a subscription to its newsletter Skeptical Briefs newsletter, costs $20 per year, $35 for two years, or $50 for three years., LLC ("CL") is the leading provider of independent test results and information to help consumers and healthcare professionals evaluate dietary supplements and herbs. It publishes results of its tests at, in its book's Guide to Buying Vitamins & Supplements, and in special technical reports. As a certification company, CL enables companies of all sizes to have their products voluntarily tested for potential inclusion in its list of Approved Quality products and bear the CL Seal. In the past seven years, CL has tested more than 1,800 products, representing over 350 different brands.CL also operates PharmacyChecker, which provides information about pharmacies and compares drug prices. Both sites offer a considerable amount of free information, including a free email newsletter. offers additional information to subscribers. PharmacyChecker offers memberships that include access to discount offers from participating mail-order and online pharmacies.

This article was revised on April 29, 2007.

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