... high purity collaegn II 100% chicken sternum More Mucopolysaccharide Collagen Type II [Specification] Edible Level[ Origin] Chicken cartilage[Ingredient] ... hydrophilic.Insoluble in acetone, ethanol and other organic solvents.[Shelf-life] 36 months.[Usage]:Use in the field of ... osteonecrosis, protrusion of the lumber intervertebral disc etc , Collage type II has good effect and cure. It also can ...