L-lysine (as L-lysine HCl)

Lysine is an essential amino acid (it must be supplied by the diet). Mostly provided by protein intake, it is probably the least abundant amino acid present in foods 1. According to the U.S. Food and Drug Administration (FDA) lysine can be safely added to foods (21CFR172.320).

This ingredient can be found in the following products in United States:


  1. The Merck Index. Whitehouse Station, NJ: Merck & Co., Inc., 1996.