Adashiko products are manufactured to the highest possible quality and contain 100% natural peptide collagen. Japanese made peptide collagen, known as super collagen, is the finest in the world. With an advanced low molecular weight of 3000 Daltons, Adashiko is the best-absorbed version of collagen available. Joint coming with the added benefits of Hyaluronic Acid, Glucosamine, Chondroitin & MSM