... less than 95%Molecular Weight: 500DA-10000DAIntroduction:We use high quality fish scale as our Fish Scale Collagen raw material, by ... . Other functions: Improve immune, inhibit cancer cells, activate cells function, hemostasis, activates muscles, treat arthritis and pain, prevent skin ... ..Shelf Life: 2 years if stored properly. Supply high quality fish collagen protein, 500-3000dal, easy to absorb