Optimum Nutrition Serious Mass Weight Gainer – 1,200+ Calories, 50g Protein, Strawberry, 12 lb

Meet Serious Mass: A calorie-dense weight gainer

Optimum Nutrition's Serious Mass is designed to help you reach higher daily calorie targets while supporting your training goals. With a formula that blends protein, carbohydrates, and essential nutrients, it’s easy to incorporate as part of a busy routine.

Per 2-scoop serving, you get more than 1,200 calories, 50 grams of blended protein, and over 250 grams of carbohydrates. This combination can be convenient for post-workout recovery or as a between-meals option when you’re aiming to increase your daily intake over time.

In addition to macronutrients, the blend includes more than 20 vitamins and minerals, including Vitamin C and Zinc, to provide immune support as part of a balanced diet. Creatine is included in the mix to support you during intense training cycles.

Key benefits at a glance

• High-calorie profile to support weight gain goals when paired with regular resistance training
• 50 g of blended protein per 2-scoop serving to help meet amino acid needs
• Over 250 g of carbohydrates per serving to fuel workouts and aid recovery
• Vitamin C and Zinc from a broad mineral profile to support immune health
• Versatile to customize with fruits, peanut butter, nuts, or yogurt for extra calories

Practical uses

Use Serious Mass as a post-workout shake or as a between-meal supplement when you’re looking to increase daily calories. It blends smoothly with milk or water and pairs well with a range of flavor boosters to suit your taste.

Tips for mixing

• Use an electric blender for a smoother texture
• Stir in fresh or frozen fruits, nut butters, or nuts to boost calories and flavor
• Try milk for a creamier shake or water for a lighter option

Flavor and packaging

Flavor: Strawberry. Packaging may vary by batch. Each container is designed for easy dosing and storage in a busy routine.