ON Serious Mas

ON Serious Mass is a high-calorie weight gain formula designed to support your muscle-building goals. Each 2-scoop serving delivers 1,250 calories, 50 grams of protein for muscle recovery, and 252-254 grams of carbohydrates to fuel your workouts. Enhanced with 3 grams of creatine monohydrate and 25 essential vitamins and minerals, this powder makes an ideal post-workout or between-meal shake. Mix with water, milk, or blend with fruits and peanut butter to boost your daily calorie intake and support your sizing-up goals.