What it is: 

Serious Mass is the ultimate weight gain formula. With 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes a sizeable post-workout and between meals shake.

If you know one thing about gaining muscle it’s that it means you need to eat way more calories than you normally would, which is precisely where the lucrative industry of mass gainers enters the picture. Eating a lot is hard work. It’s time consuming, it’s expensive, you spend a lot of time feeling full to bursting. A mass gainer like Serious Mass is the perfect cost effective way to get those calories in!

• Perfect Meal Replacement
• Boosts Calorie Intake
• Assists in Building Muscle
• Fuels Intense Workouts
• Easily Digestible
• Amazing Taste

Optimum Nutrition Serious Mass’s protein blend provides easy-to-digest protein, boosting your muscle protein synthesis and providing quick protein for a more intense workout and better recovery. With Serious Mass, you've got nothing to lose and lots to gain.

Directions: Mix 2 scoops of the powder into 24 fluid ounces of cold water or milk using an electric blender. This allows to you add in fruits, peanut butter and other calorie-contributing foods.

TIP: New users should start with a 1-scoop half serving. Use post-workout and/or between meals to add calories, carbs and protein to your healthy, balanced diet.