Composition:Collagen - pure crystalline lyophilized type I bovine collagen, with the highest possible purity of 99.9%.MSM (methylsulfonylmethane) - source of organic sulfur.Vitamin C, which contributes to the formation of collagen and the proper functioning of bones and cartilage See also the other products of the Colafit brand, which you can find in the categories Nutritional supplements, Movement and healthy sports and Joint nutrition. The product currently has an 8% discount. If you are not sure that you have chosen this product, take inspiration from the Collagen for joints category.