grass fed, all natural whey protein is used to improve immune system function as well as aid in chemical and cellular detoxification. Their unique line of non-denatured proteins is created to maintain all the original native protein components that promote health and wellness. The unique grass fed, natural whey protein, has all the advantages of organic natural grass pasture-fed cows. They are never fed grain and are disease-free, pesticide-free, chemical-free, hormone treatment-free and GMO-free.