ON Serious Mass Weight Gainer

# ON Serious Mass Weight Gainer Engineered for athletes seeking substantial caloric surplus, ON Serious Mass delivers 1,250 calories per serving with a 3:1 carb-to-protein ratio designed to support muscle growth during intense training phases. Each serving provides 50g of whey protein isolate and concentrate blend, complemented by complex carbohydrates and healthy fats to fuel recovery and strength gains. Ideal for hardgainers and those in dedicated bulking cycles, this formula mixes smoothly and absorbs efficiently. Trusted by serious lifters for consistent, quality-driven mass building without unnecessary additives.