Now Foods L-Lysine is an essential amino acid that must be obtained through diet or dietary supplements. It is necessary for the production of all proteins in the body and for maintaining structural proteins such as collagen and elastin, which form all connective tissues such as skin, tendons, and bones. L-Lysine is also a precursor to L-Carnitine. It contains 500 mg of lysine per capsule and is suitable for a vegan diet. Now Foods L-Lysine capsules undergo quality and purity testing in independent laboratories. They do not contain gluten, soy, and are produced without genetic engineering. It is recommended to take one capsule up to three times a day. Dietary supplements do not replace a balanced and varied diet. Store out of reach of children. Do not exceed the recommended daily intake. Consult your doctor if you want to use dietary supplements and are being treated for a disease, or if you are pregnant or breastfeeding.