Solgar(R) L-Lysine is an essential amino acid and helps the body to make collagen and elastin. This makes it an important nutrient for healthy skin and bones. It is an essential amino acid found in the muscle tissue and is also a supplement that is popular with people for seasonal support.. Amino acids are the building blocks of protein and are needed in several internal functions of the body. Specifications Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle. Consult a healthcare professional. Ingredients Each tablet provides: L-Lysine (as HCL)(Free Form) 1000 mg Bulking Agent: microcrystalline cellulose Anti-caking Agents: vegetable stearic acid, silicon dioxide Glazing Agents: hydroxypropylmethyl cellulose, vegetable glycerin (from palm kernel oil and coconut oil) Cellulose Gum