L-Lysine is an essential amino acid, which means your body cannot manufacture it. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of all proteins. L-Lysine is one of the 8 essential amino acids, helpful in the production of antibodies to fight disease and enzymes necessary for tissue repair. Commonly used to treat symptoms caused by the Herpes Simplex-1 virus. Helps symptoms of herpes infection, cold sores, tissue repair, collagen formation, helps promote bone growth & healthy skin, osteoporosis, high blood pressure and acts as a precursor for L-Carnitine which improves stress tolerance & fat metabolism. L-Lysine is proving effective in helping to reduce the incidence of and or prevent painful cold sores and fever blisters. Lysine is also crucial for the formation of collagen, the fibrous protein which makes up bone, cartilage, connective tissue and supports the outer layer of skin. It supports calcium absorption, may be an important supplement in preventing osteoporosis, and is being researched for use as a treatment for angina. Amino Acid Supplement Information: Suggested Dosage or Use: As a dietary supplement, take one capsule on an empty stomach, 1 to 3 times daily. Serving Size: 1 capsule, 100 Servings Per Container. Nutrition Information for L-Lysine Amino Acid Supplement: Amount Per Serving L-Lysine .......... 500mg Other Ingredients: Rice Flour, Gelatin (capsule) and Magnesium Stearate. Free of: Sugar, salt, starch, yeast, wheat, gluten, egg, corn, soy, milk. Warnings: Not for use by children or diabetics.