With 50 grams of 100% Ion Exchange Whey Protein Isolate. Aspartame free. Nature's Best Perfect Zero Carb Isolate contains 50 grams of 100% Pure Ion Exchange Whey Protein Isolate. Any and all impurities typically found in most whey proteins have been removed to provide you with a great tasting‚ lactose free‚ fat free‚ aspartame free‚ glutamine enriched‚ state of the art carbohydrate free protein supplement. Nature's Best set out to create a product that didn't hide anything from its customers. We wanted you to know that you're purchasing the best product available on the market. Our protein source is clearly identified as 100% Pure Ion Exchange Whey Protein Isolate. We didn't try to confuse you by listing a Protein Blend that doesn't tell you how much to the product is Superior Whey Protein Isolate and how much is Whey Protein Concentrate or Sweet Whey or some other inferior protein source. Furthermore‚ Isopure contains only 0g of sugar and is instantized so it can be taken anywhere and mixed with a spoon. Isopure's Major Proteins Include: Beta-Lactoglobulin 55 to 62%; Alpha-Lactalbumin 19 to 22%; Immunoglobulin 9 to 10%; Bovine Serum Albumin 6 to 8%; Lactoferrin .5 to 1%. In addition‚ Isopure is rich in Branched Chain Amino Acids and Glutamine. Each Servings of Isopure Contains: 3465mg of Isoleucine; 7865mg of Leucine; 3080mg of Valine; 4.6g of L-Glutamine. Athletes tend to need more protein than sedentary individuals to achieve positive nitrogen balance. Most recommendations range from 1.5 to 2g of Protein per kilogram of body weight per day. Isopure will help you achieve the positive nitrogen state you are seeking. Diabetics: Use chromium only under a physician's supervision. Notice: Use this product as a food supplement only. Do not use for weight reduction. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose‚ treat‚ cure or prevent any disease.)