Mass Gainer, Chocolate Peanut Butter, 11.43 LB, Rule 1Rule 1 Mass Gainer, Chocolate Peanut Butter, 11. 43 LB, is a highcalorie supplement designed for athletes and bodybuilders aiming to increase muscle mass and size. Each serving provides over 1,000 calories, with 40 grams of allwhey protein to support muscle growth and repair. The product includes a complex carbohydrate blend, featuring organic rice bran and Carb 1, delivering over 200 grams of carbohydrates to sustain energy levels during intense