Optimum Nutrition Serious Mass Weight Gainer
EGP2,950.00 – EGP4,950.00
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Serious Mass for Serious Goals
OPTIMUM NUTRITION Serious Mass powder supports muscle building, weight gain, and helps fuel workouts with up to 1260 calories, 50g of protein, up to 253g of carbohydrates, and 5g of creatine monohydrate in every serving 1,7– all in a convenient shake for easy consumption.

Serious Mass is our highest-calorie weight gain formula – created specifically to provide maximum macros for athletes with extraordinary muscle and performance goals1. Along with carbs for fueling your most intense workouts and calories to help support your bulking diet, the entire 50g of complete protein comes from fast-digesting whey protein concentrate from milk1,3. It’s also a good source of 19 vitamins and minerals and delivers 8g of naturally occurring glutamine per serving7.
Choose from five rich, great-tasting flavors for a seriously delicious routine you’ll always look forward to in your performance-driven lifestyle. Trusted by elite strength athletes all over the world, it’s everything you’ve come to expect from OPTIMUM NUTRITION: The World’s #1 Sports Nutrition Brand4.

- Up to 1260 calories per serving to support calorie surplus for weight and muscle building1,7
- 50g complete, fast-digesting protein per serving to support muscle building and recovery1,7
- Up to 253g carbohydrates per serving to support the fueling of intense workouts and aid in replenishment of glycogen stores1,7
- 5g creatine monohydrate to support strength, power, and performance1,3,7
- 8g naturally occurring glutamine per serving
- 11g branched chain amino acids (BCAAs) per serving
- 24g essential amino acids (EAAs) per serving
- Good source of 19 vitamins and minerals per serving7
- Vitamins A, C, E, and zinc help support a healthy immune system¹
- B vitamins to help convert food to cellular energy¹
- 5 rich, delicious flavors
| Size | 12 Lbs., 6 Lbs. |
|---|---|
| Flavor | Chocolate, Strawberry, Vanilla |
| Brand |
Brand
Optimum Nutrition
Directions
Add two heaping scoops of Serious Mass to a blender filled with 24 oz of water. Blend for 45-60 seconds. Then add a few ice cubes and, if desired, other calorie-contributing ingredients and blend for an additional 30-45 seconds.
Tips: Mixing two scoops of Serious Mass with 24 fl. oz. of nonfat or low fat milk instead of water will give you a thicker, creamier, higher-calorie shake. New users may find if beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 or more full servings several times a day.
Serious Mass is a substantial weight-gain supplement that can be used to feed serious calorie needs in a variety of different ways.
Between Meals: Drink 1/2-1 serving of Serious Mass between meals to maintain positive nitrogen balance and support a high-calorie diet. Post-Workout: Begin drinking 1/2-1 serving of Serious Mass 30-45 minutes following exercise to support maximum recovery. Before Bed: Drink 1/2-1 serving of Serious Mass about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night.
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