Growing huge, powerful muscles takes a lot more fuel than the average diet can provide. Nature's Best Isopure Mass is made to give you the nutrients and fuel you need to keep up with intense workouts. Each serving contains an astonishing 53 grams of pure whey protein and a huge spread of vitamins and minerals. It's also lactose and trans fat free, low in sugar, but contains 80 or more grams of other carbs.Other nutrients are included to help your body build muscle. Branched Chain Amino Acids or BCAA's are important for protein synthesis and make up about one third of your body's skeletal muscle. Studies have shown that long term use of glutamine helps increase anabolic muscle growth. The delicious Isopure Mass shake is easy on the stomach and will help fuel real growth you can see and feel.