The collagen extracted from fish scale is mostly fresh tilapia, for tilapia fish mainly survive in area with high temperature and fresh water, and it has strong life, as well as its growth speed in the captive condition is much faster than that of deep-sea fish, which greatly reduce the cost of extracted collagen.
The collagen extracted from fish skin is mostly deep-sea cod. Cod is mainly produced in the cold areas such as the Pacific Ocean and North Atlantic. Cod has extremely greedy appetite, and it is gluttonous migratory fish, as well as one of the world’s largest catches of fish each year, which has critical nutritional value and economic value. Deep-sea cod has no threats such as animal diseases and artificial drug residues in terms of safety, and it has unique antifreeze protein, therefore, it is the most popular fish collagen peptide with women in the world.