Type I collagen peptide takes scale/skin/bone as raw materials, and its main target is skin, whitening/skin care/anti-wrinkle/moisturizing, etc. Type II collagen peptide takes cartilage as

Collagen peptide is a kind of collagen precursor product made from collagen or gelatin by protease degradation.The molecular weight is between 500 and 3000 daltons,

Collagen peptide is an extracellular protein. Consisting of two or more amino acids — a protein peptide. The absorption of human body is carried out