Optimum Nutrition Serious Mass Weight Gainer Vanilla 12 LB

Optimum Nutrition Serious Mass is the ultimate high-calorie weight gain formula engineered for hardgainers and athletes who struggle to pack on size. Each massive serving delivers 1,250 calories, 50g of blended protein, and 252g of carbohydrates to fuel your most demanding training sessions and support serious muscle recovery.

Whether you are bulking up for competition or simply trying to build a bigger, stronger physique, Serious Mass gives your body the raw fuel it needs to grow. With added vitamins, minerals, creatine, and glutamine, this isn't just a calorie supplement — it is a complete muscle-building system in every scoop.

Why Athletes Choose Serious Mass

Imagine finishing a gruelling workout and knowing that your recovery shake is already doing the heavy lifting. A rich, creamy vanilla shake that mixes smoothly, sits comfortably, and delivers the nutrients your muscles are starving for. That is Serious Mass — your most reliable training partner in a tub.

Highlights

• 1,250 calories per serving to support aggressive weight gain
• 50g of blended protein including whey, casein, and egg for sustained amino acid release
• 252g of carbohydrates to replenish glycogen and fuel performance
• Enriched with 25 vitamins and minerals for complete micronutrient support
• Added creatine and glutamine for enhanced strength and recovery
• Available in delicious Vanilla flavour
• 12 LB tub for extended use

Directions

Mix 2 heaping scoops with 24 oz of water or milk. Consume once or twice daily between meals or post-workout. For best results combine with regular strength training and a balanced diet.