After being pasteurized to kill any bacteria special enzymes are added to the milk to separate casein -- the milk solids that are used to make cheese -- from the whey. Our Grass Fed Whey is sourced from small dairy farms in California to bring you a non-denatured whey packed full of essential amino acids clean protein and glutathione. The Importance Of Post Workout Nutrition What To Eat After A Workout Gymguider Com Post Workout Nutrition Workout Food Fitness Nutrition Whey Protein Vs Casein Protein Whey Vs Casein Protein Which Is Better Pros Cons