Optimum Nutrition Serious Mass Weight Gainer – Chocolate Flavour | High-Calorie Protein Supplement

Optimum Nutrition Serious Mass Weight Gainer (Chocolate Flavour) is a high-calorie muscle-building supplement designed for hard gainers and athletes. With 1,250 calories, 50g protein, and 252g carbs per serving, it supports weight gain, muscle recovery, and bulking goals. Fortified with vitamins, minerals, and creatine, it’s the perfect shake for building serious size and strength.

Key Benefits Of Optimum Nutrition Serious Mass:

• High-Calorie, High-Protein Formula Supports Weight Gain and Muscle Building Goals
• 1200+ Calories per Serving to Help Boost Calorie Intake
• 50 Grams of Protein per Serving to Help Build and Maintain Muscle
• With Added 3g Creatine, 1g Glutamine, & 24 Vitamins and Minerals.
• Banned Substance Tested. Suitable for Vegetarians.