BioPrime Nutrition ProCore Natural is one of the cleanest proteins on the market. Using rGBH Free whey protein, ensuring no artificial hormones were injected into the cows that are producing the whey. They eliminated any creamer that contained soy so that your hormone levels will remain balanced and optimal *. Then they made it gluten free by using top of the line Non-GMO ingredients. The final touch was to eliminate all artificial sweeteners and colors by use Stevia. The result is one of the cleanest proteins on the market that you can enjoy not only the taste, but the satisfaction of taking a truly high quality product.