Face it, you're a classic hardgainer. This means you got fewer corners to cut. You gotta bust your ass, gotta work twice as hard and eat twice as much just to gain a hard earned pound of muscle. It is for you, the all new Animal M-Stak has been formulated. Animal M-Stak is the perfect hardgainer's pack. Thanks to its significant ability to increase muscular endurance and concentration in the gym - the new M-Stak may be able to turn hardgainers into hard gainers. Now with new and even more powerful, Natural Flavone/Sterone Complex (including new Turkesterone), Anti-Catabolic Amino Complex (rich in leucine), Adaptogen Complex (with safed musli and rosavins), Insulin Complex (including colosolic acid and 4-hydroxyisoleucine among others), Energy Complex (as with Animal Pump, all the stims are in one red capsule for convenience and flexibility) and a new M-Factor Complex (with dihyroxybergmottin), the all-new Animal M-Stak is gonna blow the roof off the proven original. And then some...