Strength. Growth. Repair. 23 Grams Of Advanced Dual Action Protein. Prolab Advanced Essential Whey is a dual action blend of premium whey concentrate and ultra-pure whey concentrate and ultra-pure whey isolate. This advanced two-stage amino acid delivery system provides athletes with the ultimate support in lean muscle growth and tissue repair. . Advanced Essential Whey fuels muscle growth with 23 grams of premium protein delivering over 28 grams of amino acids in two stages. Stage one- Whey isolate begins to absorb immediately-quickly igniting muscle-repairing protein synthesis. Stage Two - whey concentrate helps rebuild muscle tissue and support lean muscle growth making it an essential tool for helping advanced athletes and fitness enthusiasts jump start their recovery. With the added power of natural digestive enzymes Prolab Advanced Essential Whey helps to ensure that the proteins fully release their powerful amino acids and deliver the nutrients at an accelerated rate - providing hard-training athletes with Advanced performance support "you do your part we'll do ours".