Dietary Supplements

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What is a dietary supplement?

Congress defined the term "dietary supplement" in the Dietary Supplement Health and Education Act (DSHEA) of 1994. A dietary supplement is a product taken by mouth that contains a "dietary ingredient"...MORE >>

Featured Supplements

Ephedra
Comfrey

Browse Books About Dietary Supplements

1.PDR For Nonprescription Drugs and...

2.A Doctor's Guide to Herbs and Supplements

3.The New Encyclopedia of Vitamins,...

4.Encyclopedia of Natural Medicine,...

5.Natural Alternatives to Over-The-Counter...