RAPIDLY ABSORBABLE: ESN Designer Whey Protein Powder is an optimal quality whey protein blend; it is easily digestible, biologically intact, and produced with care. EFFECTIVE COMBINATION: Whey Protein Concentrate and Whey Protein Isolate are perfectly harmonized (Isolate content: up to 45%); rich in EAAs: The proportion of essential amino acids is a remarkable 48%, with a stable 23% being BCAAs.