AMAZING MUSCLE 100% WHEY PROTEIN powder is made by Whey Protein Isolate (WPI) as a primary ingredient along with ultra-filtered Whey Proten Concentrate (WPC). Whey Protein Isolate is one of the most complete forms of protein supplements available, containing 90% protein or higher. It is processed to remove carbs, fats, cholesterol and lactose. Whey Protein isolate typically contains higher levels of leucine, valine and other amino acids.