Biochem's 100% Whey Isolate Protein - Chocolate contains ultra-filtered /micro-filtered (UF/MF) whey protein isolate, the finest quality and most easily assimilated whey protein isolate available, with 99% undenatured whey peptides. The naturally occurring biologically active components of whey protein isolate are beneficial to athletes, bodybuilders and to others who wish to incorporate additional high-quality protein into their diets. It's fat and lactose free and mixes instantly with the liquid of your choice.