Amino acids:

Amino acids are either "essential", which must be supplied by food, or "nonessential", which are made in the body.
- Reviewed last on: 2/27/2008
- Patrika Tsai, MD, MPH, Assistant Clinical Professor, Pediatric GI, Hepatology and Nutrition, University of California, San Francisco, San Francisco, CA. Review provided by VeriMedHealthcare Network. Also reviewed byDavid Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.