STACKER 2. ✔ HUGE PROTEIN: 50g of protein per 2 scoops. ✔ HEALTH BENEFITS: There is a BCAA ratio of 2:1:1 and 5 types of probiotics which means millions of live probiotics cultures. ✔ MUSCLE GROWTH: Whether you’re a bodybuilder or not, use Not Just Protein to build and maintain muscle mass. ✔ MUSCLE REGENERATION: Included is macromolecular collagen protein which helps improve tendon & joint regeneration, and decrease joint pain. ✔ INCREDIBLY EASY & DELICIOUS: Mix 1 rounded scoop into 6-8oz of water until dissolved. Substitute nonfat milk for a smoother, thicker, creamier shake, or use any beverage of your choice.