The Isopure drink is so pure, you can literally see straight through it. Just like the original, the Isopure drink is completely fat, carbohydrate, Lactose and cholesterol free. The Isopure drink contains 40g of pure whey protein isolate per bottle, and is also aspartame free. The Isopure drink is a convenient and effective recovery product for anyone looking to increase toned muscle or maintain their physique.