Serious Mass Weight Gainer - 2.73kg

Optimum Nutrition Serious Mass — The Ultimate Weight Gainer

Fuel your gains with Serious Mass by Optimum Nutrition — the world's #1 weight gainer supplement. Packed with 1,250 calories per serving, this powerhouse formula is designed to help you build muscle, recover faster, and hit your weight goals faster than ever.

Why Serious Mass?

• 💪 1,250 calories per serving to support serious muscle growth
• 🥛 50g of blended protein to fuel recovery and lean muscle
• ⚡ 250g of carbohydrates for sustained energy
• 🔬 Loaded with vitamins and minerals for overall health
• ✅ Trusted by athletes and bodybuilders worldwide

Whether you're a hardgainer struggling to put on weight or an athlete looking to bulk up, Serious Mass delivers the nutrition you need in every scoop.

Size: 2.73kg | Available in multiple delicious flavors