Iforce Nutrition Isotean 2lb Benefits Iforce's highest quality protein ever 100% whey protein isolate Less than 1g of fat in each serving 30g of protein per scoop Predator Nutrition Isotean 2lb Review Great taste & unique flavours is what makes Iforce Nutrition's Protean one of the most popular proteins on the market. As great as Protean is (red velvet cake anyone?), Iforce knew that a big segment of the bodybuilding public had a need for an ultra-high protein powder with very low fat & carbs. Isotean is a pure whey isolate protein, meaning it is higher in BCAA's & protein compared to regular whey proteins as well as being much lower in fat, carbs, lactose & easier to digest. With the, by now expected, great flavouring from Iforce, Isotean stands out among its peers in the isolate market as arguably the best tasting whey isolate ever made.