Iso Whey ZERO is made with the purest cross-flow micro filtered whey protein isolate (WPI) possible, while it truly contains ZERO lactose, ZERO trans fat and ZERO added sugar. Iso Whey ZERO, like all BioTechUSA products, consists of 100% safe, carefully selected nutrients. The extremely high biological value of proteins makes Iso Whey ZERO absolutely unique in the BioTech USA product line. It's perfect for athletes who aim for ultra-lean muscle gains as proteins contribute to muscle mass growth and muscle maintenance.