BioChem's 100% Whey Protein Powder contains 100% Pure Ultra-Filtered/Micro-Filtered (UF/MF) whey protein isolate, one of 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 others who wish to incorporate additional high-quality protein into their diets. Mixes instantly with the liquid of your choice in a shaker or blender bottle. BioChem whey protein is gluten free.