AS-IT-IS Nutrition Atom High Protein Bar comprises unique protein blends (Whey Protein Concentrate, Whey Protein Isolate, and Whey Protein Hydrolysate). The easy-to-digest protein bar gives you a dose of 20g of highly bioavailable protein. The protein-to-carb concentration of the protein bar makes it ideal for a pre-workout energy boost, post-workout muscle recovery, and post-lunch snack when you are on the go.