Serious Mass for serious goals
OPTIMUM NUTRITION's Serious Mass powder supports muscle building, weight gain and provides energy for training - with up to 1260 calories , 50g protein , up to 253g carbohydrates and 5g creatine monohydrate per serving¹,⁷ - all in a convenient shake for easy consumption.
Serious Mass is our most calorie-dense weight-gain formula—specifically formulated to provide maximum macronutrients for athletes with exceptional muscle and performance goals.¹ Along with carbohydrates to fuel your most intense workouts and calories to support your bulking phase, all 50g of complete protein comes from fast-digesting whey protein concentrate from milk.¹ ,³ Serious Mass is also a good source of 19 vitamins and minerals and provides 8g of naturally occurring glutamine per serving.⁷
Choose from five delicious flavors for a delicious routine you can look forward to every day—perfect for a performance-driven lifestyle. Trusted by elite athletes worldwide, this product represents everything you expect from OPTIMUM NUTRITION—the world's #1 sports nutrition brand⁴ .
Up to 1260 calories per serving – to support a calorie surplus for muscle building and weight gain¹,⁷
50g complete, fast-digesting protein – promotes muscle growth and recovery¹,⁷
Up to 253g of carbohydrates – provide energy for intense workouts and help replenish glycogen stores¹,⁷
5 g creatine monohydrate – supports strength, power and explosiveness¹,³,⁷
8 g of naturally occurring glutamine per serving
11 g BCAA (branched-chain amino acids) per serving
24 g EAA (essential amino acids) per serving
Good source of 19 vitamins and minerals ⁷
Vitamins A, C, E and zinc contribute to a healthy immune system¹
B vitamins help convert food into cellular energy¹
Available in 5 delicious flavors
Mix 340g (about two heaped scoops) with cold water, milk, or another beverage. Blend in a blender for 30–45 seconds until the powder is completely dissolved.
New users can start with half a serving for the first week and then gradually increase to a full serving.
Recommended use: For optimal results, take one serving (2 scoops) regularly over a longer period of time in combination with regular strength training.
The nutritional information is displayed once a flavor and/or package size has been selected.
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