SERIOUS MASS 2,73kg

Serious mass gains require serious calories, and Serious Mass provides 1250 calories per serving making it easy to reach your weight gain goals!

Very often, those who want to gain weight are the ones who find it most difficult, due to fast metabolism, poor appetite or a busy lifestyle that makes it impossible to eat large amounts often.  Serious Mass ON combats these difficulties, offering 1250 to 1600 calories per shake, a very high amount of high-quality calories.

To give you an idea, each Serious Mass shake offers:

• 1250 calories if mixed with water or 1600 calories if mixed with milk
• 50 grams of protein from fast and slow digesting sources such as casein whey and eggs
• 250 grams of carbohydrates to provide energy for intensive training and maintain glycogen reserves – no added sugar
• 24 essential vitamins and minerals, with B vitamins and antioxidants
• Enriched with glutamine and creatine

Optimum Serious Mass is the ultimate solution for weight gain, mass gain and muscle building. Serious Mass is a high-quality, economical weight gainer from Optimum Nutrition with a high proportion of all necessary ingredients, with a reduced proportion of sugar and fat.

Its delicious formula allows you to drink shake after shake without getting bored. It is a versatile gainer with smooth flavors that allow you to combine and try other ingredients and explore new flavors, adding more calories. Try creating your own premium Gainer by adding Serious Mass:

Try it and see results in no time with the best selling weight gainer in the world!