The new, scientifically superior MASS-TECH EXTREME 2000 formula delivers over 2,000 calories (when mixed with 20 oz. of skim milk) and delivers high-quality whey protein and easy-to-digest complex carbohydrates. In a university study, subjects consuming 2,000 calories in addition to a high-protein diet and a weightlifting program gained 6.8 lbs. of mass (vs. 1.3 lbs. in the control group). This formula is so powerful you only need one serving a day! Check out the study Rozenek et al., 2002. Journal of Sports Medicine and Physical Fitness. 42(3):340-7.MASS-TECH EXTREME 2000 delivers more protein per serving than most other mass gainers available on the market. With a whopping 80g of premium protein (when mixed with 20 oz. of skim milk), your body will have all the building blocks it needs to build the size and muscle you’re looking for.