Product Overview
Serious Mass by Optimum Nutrition – Fuel Your Gains. Build Real Size.
When it’s time to get big, Serious Mass delivers. This high-calorie, nutrient-dense mass gainer is built for hard gainers and serious athletes who struggle to put on size. Each serving packs an incredible 1,250 calories, 50g of high-quality protein, over 250g of complex carbohydrates, plus creatine monohydrate, vitamins, and minerals to power up your muscle growth, recovery, and overall performance.
💪 Key Benefits
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Massive Calorie Support – 1,250 calories per serving to promote size and strength gains
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Muscle-Building Protein – 50g of premium protein for lean muscle recovery and growth
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Carb-Fueled Energy – 252–254g of complex carbohydrates for sustained fuel and glycogen replenishment
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Enhanced Strength & Power – Includes 3g of Creatine Monohydrate to boost training intensity
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Micronutrient Support – 25 essential vitamins and minerals for comprehensive nutritional support
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Customizable Shakes – Mix with milk, fruits, or nut butters to add extra calories and flavor
🏋️♂️ Why Choose Serious Mass?
If you're serious about bulking up, this formula gives you everything you need to gain clean mass and support intense training. Whether you're struggling with a fast metabolism or just need more calories to fuel your goals, Serious Mass makes it easier to hit your daily nutrition targets and grow stronger, faster.
📌 Product Highlights
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Serving Size: 1,250 calories per serving
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Protein: 50g blend for sustained amino acid delivery
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Carbs: 252–254g complex carbs
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Creatine: 3g to support power and performance
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Vitamins/Minerals: 25+ included
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Ideal For: Bulking, strength training, and hard gainers
