Source Naturals Proline & Lysine, 550 Mg - 120 Tablets

L-Lysine Is One Of 9 Essential Amino Acids That Cannot Be Made In The Body. It Is The Basic Raw Material For Carnitine Synthesis. L-Proline Can Be Made In The Body, But Low-Protein/Vegetarian Diets May Not Always Promote Optimal L-Proline Production. L-Lysine And L-Proline Amino Acids Are The Precursors Of Hydroxylysine (Hl), And Hydroxyproline (Hp), Two Constituents Of Collagen Suggested Use: 2 To 4 Tablets Daily With Meals Suitable For Vegetarians. Contains No Yeast, Dairy, Egg, Gluten, Soy Or Wheat. Contains No Sugar, Salt, Preservatives, Or Artificial Color, Flavor Or Fragrance Over 40 Years Of Trust. Source Naturals Was Created In 1982 By Ceo Ira Goldberg To Support Everyoneâ’S Potential To Enjoy Optimal Health Manufactured In The Usa. Manufactured In Scotts Valley, Ca, Under The Good Manufacturing Practices (Cgmps) Established By The Us Food And Drug Administration. (Fda)