ON SERIOUS MASS 12LB
$137.99
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Product Details
Brand: ON
OPTIMUM NUTRITIONSERIOUS MASS – 12LB MASS GAINER FORMULA
Built for hard gainers and serious athletes, ON Serious Mass delivers a powerful calorie-dense formula to fuel muscle growth, support recovery, and help you hit your size goals faster. Each serving packs 50g of protein, 254g of carbohydrates, and 1,250 calories — everything your body needs to grow.
WHY SERIOUS MASS?
- 50g Protein per serving — supports muscle building and repair
- 1,250 Calories — ideal for high-calorie bulking phases
- 254g Carbohydrates — replenishes glycogen stores and fuels training
- 12LB / 5.44kg bag — 16 servings of serious fuel
- Trusted by athletes in 100+ countries for 35+ years
WHO IS THIS FOR?
- Hard gainers looking for easy calories to add to their bulking routine
- Athletes in high-volume training or bulking phases
- Anyone needing a convenient, high-calorie protein supplement
NUTRITION HIGHLIGHTS (PER 2-SCOOP SERVING)
- Calories: 1,250
- Protein: 50g
- Carbohydrates: 254g
- Fat: 4g
- Sodium: 510mg
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ON SERIOUS MASS 12LB
Display prices in:CAD
