Description
🚀 Bulk up smarter, not harder with Serious Mass!
- CALORIE POWERHOUSE - Fuel your gains with a massive 1,260 calories per serving to crush your mass-building goals.
- CARB LOADED ENERGY - Over 250 grams of carbohydrates to replenish glycogen and keep you energized all day long.
- IMMUNE BOOST FORMULA - Enhanced with Vitamin C and Zinc to keep your immune system as strong as your lifts.
- PROTEIN PACKED PERFORMANCE - 50 grams of premium blended protein to support muscle recovery and growth after every workout.
- CREATINE GLUTAMINE INFUSION - Supports strength, endurance, and faster recovery for serious athletes who demand more.
Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering 1,260 calories, 50g protein, and 250g+ carbs per serving, enriched with 25 vitamins & minerals, creatine, glutamine, and immune-supporting Vitamin C and Zinc—designed to maximize muscle growth and recovery for serious lifters.