Optimum Nutrition Gold Standard GainerPROTEIN AND CARB RECOVERY FORMULA * FREE Bag, LImited Time Only Gold Standard Gainer is built on a foundation of complete dairy proteins, mostly from isolate sources. The carbohydrate blend includes oat, pea and potato and the fats include medium chain triglycerides, chia and flax. Obviously, this is not your typical gainer formula. ON took it a step further by making it easy to mix up in a shaker cup. No blender needed. This is the new Gold Standard