Hydrolyzed collagen* - 5000 mg (bovine skin), glucosamine sulfate - 1500 mg (crustaceans: crabs, shrimps), chondroitin sulfate - 500 mg (bovine trachea), methylsulfonylmethane - 400 mg (MSM).
*Amino acids: glycine, proline, hydroxyproline, glutamate, glutamine, alanine, arginine, aspartate, lysine, serine, valine, leucine, phenylalanine, isoleucine, hydroxylysine, tyrosine, methionine, histidine, cysteine.