PS Whey Protein Isolate a formulated, Real and True whey protein. No cheap protein fillers, just good old fashioned whey proteins that do what they are supposed to do…support lean muscle development and metabolism. With hardly any fat and sugar, you can feel confident that PS Whey will deliver RESULTS…PERIOD! So don’t settle for how the other guys spell “PROTEIN”… ProSupps PS Whey delivers high-octane protein to your finely-tuned body.