Bovine Collagen vs Marine Collagen. As most would be aware, collagen … Since your body benefits most from a combination of different collagen types, our collagen … It is cheaper to extract therefore is very commonly used in … Bovine-sourced collagen is an excellent source of both types I & III collagen, the two most abundant types of collagen found in the human body that work together to powerfully support one another. With so many now being aware of the health benefits of supplementing with collagen, we are often asked to explain why one might choose marine collagen over bovine collagen, especially when it comes to skin health. 2 min read. Different sources means they come from … What is collagen? Bovine is created from cow hides, and marine is made from fish skin and scales. Collagen makes up almost one third of the thousands of different types of proteins that exist in our body. Marine collagen comes from fish, while bovine collagen comes from cows. It is a major structural protein … GENERAL: Bovine (and porcine) collagen is cheaper Bovine collagen is sourced from cows and porcine collagen is sourced from pigs.