ISO-100’s primary protein source is hydrolyzed 100% Whey Protein Isolate, one of the fastest absorbing, purest forms of bioavailable protein. This means your body can absorb the protein it needs to build and repair muscle faster. Based on sports nutrition science, ISO-100 has been proven to maximize the promotion of Muscle Protein Synthesis. This is critical when it comes to building lean mass and recovering as quickly as possible. ISO-100 has been specially formulated to deliver more of what you want, and none of what you don’t!