Serious weight gain requires serious calories. However, those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, a highly-active metabolism, weaker appetite and on-the-run lifestyle can make it a real challenge to consume enough calories through whole foods alone. With Serious Mass™ - Chocolate Peanut Butter, you've got nothing to lose and lots to gain. We've consolidated 1270 calories, 50 grams of protein, 249 grams of c....