... temperture to ensure the quality steady. The product is powder and good fluidity.The molecular weight is less than or eaqual ... extracted from Skin or Gristle of fresh Marine fish , Bovine, Porcine, and Chicken ,in the form of powder,so its very edible. Take ... different techniques, there are Hydrolyzed Collagen, Active Collagen, Collagen Peptide, Geltin and so ...