Yes, it contains sustained release bca,s to keep you in an anabolic state and prevents muscle breakdown also has other nutrients to further boost protein synthasis and insulin response, its a solid product. If your bulking up I whould go with the Up Your Mass shakes 2-3 times a day, they have a perfect 45%carb,35%protein,20%fat ratio, slow release carbs, efa,s, and the probolic sustained relaease protein that shoud feed your muscles aminos for atleast 6 houres. If you got the cash do both, you cant go wrong with MHP.