With this in mind, they source their pure Bovine Collagen Powder specifically from grass-fed cows that are fed a GMO-free diet, with zero antibiotics or hormones. Porcine (pig) collagen, like bovine collagen, consists of primarily types I and III collagen. It has a mild edge over bovine collagen, however, since it's thought about closer in structure to human collagen. That's since no matter what protein you consume-- collagen or otherwise-- it will certainly be broken down into its specific amin...