Mixing instantly with the liquid of your choice and containing 100% Pure Ultra-Filtered/Micro-Filtered (UF/MF) whey protein isolate, Biochem's 100% Whey Isolate Protein is the finest quality and most easily assimilated whey protein isolate available, with undenatured whey peptides. For athletes, bodybuilders and others who wish to incorporate additional high-quality protein into their diets, the natural occurring biologically active components in Biochem's 100% Whey Isolate Protein is lactose free.