Herblink Multi-collagen(Marine+Bovine)

Marine collagen is sourced from fish while Bovine collagen is a sourced from cows

MARINE COLLAGEN;Marine collagen is sourced from fish – typically from the skin of wild-caught cod that are not at risk of being endangered. Marine collagen is a type 1 collagen that’s derived from fish collagen peptides – this type of collagen actually has the highest, most bioavailable source of collagen available on the market.

BOVINE COLLAGEN;Bovine collagen is collagen that comes from beef and, specifically, cow hides. Once the beef has been used for food, collagen is extracted from the cow hides. Bovine collagen comes in many forms, including powders, tablets and liquids

A  Combination of both marine and bovine collagen, have proved to be very effective  because they contains all types of collagen ie type 1,type2,type3.