Compare GNC Pro Performance® 100% Soy Isolate

Natural Vegetarian Protein Source Lactose and Cholesterol Free Pro Performance® Quality - Pro Performance® 100% Soy Isolate is a protein shake from vegetarian sources that is cholesterol free and contains no lactose. Each serving has a satisfying, delicious taste and mixes up instantly with a blender, shaker, or spoon - it's that smooth, and it couldn't be easier.