L-Lysine 600mg cps. L-Lysine is an essential amino acid. This means that the human body cannot produce L-Lysine and this important amino acid must be obtained from dietary intake. As a building block of protein L-Lysine benefits the body by contributing to growth. L-Lysine benefits also include production of Carnitine a substance that converts fatty acids into energy. In addition L-Lysine benefits the skeletal system by contributing to the production of collagen the protein used to make bone tendons cartilage and connective tissue. Recommended dosage: As a dietary supplement take 1 capsule 1 to 3 times daily with or between meals. Supplement Facts: Serving size: 1 capsule Amount per Serving / % Daily Value* L-Lysine: 600 mg * Daily Value not established Other Ingredients: Gelatin capsule (made from pure gelatin water dyes: titanium dioxide) magnesium stearate silicon dioxide.