... from Skin or Gristle of Marine fish, Bovine, Porcine, and Chicken) Product Introduction: Collagen is the primary structural protein found ... or Gristle of fresh Marine fish , Bovine, Porcine, and Chicken ,in the form of powder,so its very edible. ... Supplenment Physiological Functions: 1. As additives, adhesives, solvation and nutrients.2. Strengthen bodys immunity ability, Renew collagens content ...