Optimum Nutrition Serious Mass
Optimum Nutrition Serious Mass – Advanced Weight Gain Support. Take your muscle-building journey to the next level with Serious Mass by Optimum Nutrition—the ultimate high-calorie mass gainer for those who struggle to get enough calories and protein from food alone. Whether you're training intensely, have a fast metabolism, or simply need extra fuel to grow, Serious Mass delivers everything you need to bulk up and recover fast.
Why You’ll Love It
- 1,250 calories per serve to help maintain a calorie surplus
- 50g of blended protein to support muscle growth and repair
- 252–254g of carbohydrates (no added sugar) to fuel training and restore glycogen
- 3g Creatine Monohydrate to support strength, power, and muscle size
- Enriched with 20 essential vitamins and minerals, plus added L-Glutamine
- Great taste and easy to mix into shakes or smoothies
- Perfect for post-workout or between meals to keep your calorie intake on track
How to Use
- Mix 2 scoops with 700–720ml of water or milk using a blender
- Add fruits, nut butters, or oats for extra calories and flavour
- New to mass gainers? Start with 1 scoop to assess tolerance
- Use post-workout and/or between meals to boost daily intake
Who It’s For
Ideal for hard gainers, athletes, or anyone struggling to gain weight and muscle mass despite a balanced diet. Whether you're chasing size, strength, or improved performance, Serious Mass provides the fuel to help you succeed.
Key Product Details
- Calories: 1,250 per serve
- Protein: 50g blended protein
- Carbohydrates: 252–254g with no added sugar
- Creatine: 3g per serve
- Vitamins & Minerals: 20+ essential micronutrients
- Serving Size: 2 scoops (334g)
Go beyond limits and fuel your muscle growth with Optimum Nutrition Serious Mass—the smart choice for serious gains.