High Quality, Predigested Protein. Lactose Free. Bio-available Great Natural Source of High Potency Essential Amino Acids, including BCAA’s. The muscles in your body are over 80% protein in dry weight if your goal is an increase of muscle then do it with American Whey™. The ion-exchanged whey protein in this product is the most bio-available for your body. This means your body can utilize the supplementation of American Whey better than other types of protein. American Whey is also low in calories, tastes great, and mixes easily in juice, milk, or water. American Whey is also lactose free with no added sodium.