Isosurge 5lb-chocolate fudge brownie, whey protein isolates are the purest form of whey protein that exists. Hydro whey consists of proteins strategically broken down (hydrolyzed) into smaller pieces called peptides for faster utilization by the body. Mutant iso surge is our new fast-acting whey protein isolate and hydrolysate formula with sinfully delicious flavors. We invested huge amounts of time and care crafting these flavors in our lab with mutant athletes involved in the taste-testing process. We're now ready to share these exciting flavors with you. A surge of protein plus a surge of flavor-that's the iso surge one two advantage: pure and simple. We're confident that iso surge will be your go-to choice for all your whey isolate needs.