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Ingredient:

Lysine

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).

References

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