- High Protein Muscle Building & Weight Gain Formula*
- 50 g Protein* - Helps Build and Maintain Muscle*
- 1,250 Calories - Helps Boost Calorie Intake
- 253 g Carbs - Helps Fuel Intense Workouts
- Artificially Flavored
- Strength Training
- Supports Performance
- Supports Weight Gain Goals*
- Authentic Optimum Nutrition Product
- Informed Choice - We Test - You Trust
Why Serious Mass™?
- 50 grams of protein to support muscle building and recovery.**
- 1,260 calories to supports calorie surplus for weight and muscle building*^
- 253 grams of carbohydrate to support fueling of intense workouts and aid in replenishment of glycogen stores.^
- 3 g of creatine monohydrate to support performance.*^
- Naturally occurring glutamine 8 g, branched chain amino acids 11 g and essential amino acids 24 g
- Good source of 22 vitamins and minerals
- Vitamin C, E, and zinc help support a healthy immune system^
- B vitamins help convert food to cellar energy^
Optimum Nutrition® has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition for over 30 years and in 90+ countries. After careful supplier selection, each ingredient is tested to assure exceptional purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body's full potential.
Serious Mass™ is designed to provide serious calories, protein and carbohydrates - making this a convenient wat to get extra calories throughout the day.
A global leader of weight gainers
SERIOUS weight gain requires SERIOUS calories. However, those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, having a highly-active metabolism, weaker appetite or an on-the-run lifestyle can make it a real challenge to consume enough calories through whole foods alone. With SERIOUS MASS™, you've got nothing to lose and lots to gain. It's time to stop thinking small; get SERIOUS - SERIOUS MASS™.
*See supplement facts for sodium and cholesterol content
*When taken in addition to normal calorie intake and regular weight resistance training.
