WEIDER MEGA MASS 4000 CHOCOLATE - 4000 GRAMSMega Mass 4000 New Formula Greater muscle growth Maximum energy Weider, a brand synonymous with health, effectiveness, and results, has been serving athletes since 1936. Adapting to scientific advances, Mega Mass 4000 is the ideal product for increasing muscle mass and volume. Main features of Mega Mass 4000: Carbohydrates (69%): An exclusive blend with no added sugars of corn maltodextrin, native wheat starch, whole oat flour and native potato