On Serious Mass Chocolate - 6 Lbs

Optimum Nutrition Serious Mass is a premium weight gainer supplement in chocolate flavor, designed for individuals looking to increase muscle mass and overall body weight. This 6-pound container delivers a powerful blend of proteins, carbohydrates, and calories to support muscle growth and weight gain goals. Key features: • 1,260 calories per serving • 50g protein blend per serving • 251g carbohydrates per serving • Chocolate flavor • High-calorie muscle and weight gain formula • Easy-mixing powder Serious Mass is specifically formulated as a high-calorie weight gain powder that combines proteins, carbohydrates, and essential nutrients. The product comes in a black container with distinctive green accents, reflecting the Optimum Nutrition brand identity. This mass gainer is particularly suitable for hard gainers who struggle to consume enough calories through regular meals alone. The chocolate flavor makes it enjoyable and convenient to consume between or after meals.