Every scoop of ISO LEAN delivers 25g of the cleanest, highest quality protein on the market. ISO LEAN is sourced using PROVIRON 292 Premium Instantized Whey Protein Isolate An extremely cross-flow microfiltration process is used to yield an incredibly pure, nutritionally superior, undenatured whey protein isolate. With added Digezyme, a blend of five digestive enzymes that ensures optimal digestion and absorption.