Lysine is an indispensable amino acid that cannot be made by the body.* Amino acids perform a variety of functions and form the basis for protein.* Lysine is also used for the health and integrity of skin.* No artificial flavor or sweetener no preservatives no sugar no milk no lactose no soy no gluten no wheat no yeast no fish. Sodium free. Suitable for vegetarians. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose treat cure or prevent any disease.Other products from HerbsPro