ISO Sensation® 93 contains 100% IsoChill® Whey Protein Isolate. IsoChill® is a functional whey protein isolate, processed by a novel ultra-low temperature micro-filtration process. It contains a full balance of undenatured bio-active whey proteins, including immunoglobulin (IgG), lactoferrin (Lf), and glycomacropeptide (GMP).