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. In addition, unlike many other mass gainer formulas, MASS-TECH EXTREME 2000 contains only high-quality, milk-derived protein sources with the highest biological value.