NAKA - Nutri Collagen - 500 Millilitre(s) - NPN: 80045967 -- Nutri Collagen 5000mg by NAKA features Peptan - scientifically proven effectiveness for joint, bone and skin health. Nutri-Collagen is a good source of the essential amino acid lysine to help in collagen formation & helps to reduce joint pain associated with osteoathritis. The sources of the essential amino acids in Nutri Collagen include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, valine, for the maintenance of good health and involved in protein synthesis. Also a good source of the non-essensial amino acids alanine, arginine, aspartic acid, glutamic acid, glycine, proline, serine, tyrosine involved in protein synthesis.