1,collagen peptide powder 2,source from:healthy fish 3.function:food and ... :peptide 5,Cas No:9064-67-9 collagen peptide powder 100%pure, no additive,fat-free, sugar-free.small molecular ... weight,good solubility,good compatibility .Collagen is a high molecular weight protein. ... Advanced equipment 2.Strict Test 3.Certificate collagen peptide powder