Executive Summary

Dietary supplements purporting to cure diseases ranging from Alzheimer's to bird flu are the topic of three warning letters sent by FDA in January. In the letters, FDA addresses claims for Long Life Catalog Company's supplement Zap-V, Robert Davis' All-Natural Interferon and Trim International's TCR Cell Rejuvenator. Specifically, FDA takes issue with Zap-V's claims that the product reduces inflammation and acts as an "anticancer, anti-tumor, antiviral" medication, according to the Jan. 30 letter. In Jan. 24 correspondence, the agency targets claims made to promote All-Natural Interferon as "an immune system booster." Finally, in a Jan. 9 letter, the agency addresses claims that TCR Cell Rejuvenator "helps prevent recurrent herpes, common cold and flu, and is used to treat patients with Alzheimer's, Parkinson's, cancer and other infectious diseases and neurological disorders." All the claims are found on the individual products' web sites, according to FDA...