Life Extension Foundation

2835 Hollywood Blvd.

Hollywood, Florida 33020

[800] 544-0577

I strongly recommend joining and regularly studying their newsletter. Besides, when you do, Prolongevity will give you a significant discount that amounts to far more than the cost of a membership if you use many food supplements.

Health Research Publishing

P.O. Box 70

Mokelumne Hill, CA 95245

Find here reprints of all the old classics of natural hygiene.

American Natural Hygiene Society

Herbert Shelton Library

P.O. Box 30630

Tampa, Florida 33630

Find here all of Herbert Shelton's works.