Helps support bone density and healthy skin, hair & nails . Helps to reduce joint pain and inflammation associated with osteoarthritis. Source of the essential amino acids histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, valine for the maintenance of good health and involved in protein synthesis.Source of the non-essential amino acids alanine, arginine, aspartic acid, glutamic acid, glycine, proline, serine, tyrosine involved in protein synthesis.