Serious Mass

Serious Mass by Optimum Nutrition will give you the muscles you have always desired.

What is Serious MASS by ON?

Serious MASS is a protein- and carbohydrate-rich formula from Optimum Nutrition created for muscle development.

This weight-gain supplement is the ideal shake after you train and between meals to help you reach your goals. Serious MASS is the supplement you need to support your goal of quality weight gain.

It has been designed with a powerful blend of ingredients that does an excellent job of helping you gain more size. It contains a concentrated, controlled amount of calories, providing 1259 kcal per serving. It also includes a large amount of carbohydrates and protein, which are essential when you need to strengthen your muscles. The energy comes from creatine, an essential nutrient in this regard.

Few supplements on the market offer such deep protein synthesis, making it impossible for you to suffer from catabolism. Likewise, you will see how you recover quickly and gain more power, allowing you to perform effectively during the most demanding workouts, which deliver the best results. It is also packed with vitamins and minerals that your body cannot do without.

If you practice bodybuilding or any strength sport, you should support yourself with Serious Mass by Optimum Nutrition. This supplement combines the benefits of the best whey protein concentrate, egg albumin, and calcium caseinate. These components will help you recover quickly, replenish higher glycogen levels, and achieve unstoppable muscle growth. Take it also to maintain your muscle gains for longer. It is the most powerful formula, giving you all the power you need to increase your strength and endurance during the most demanding moments of training. Do not hesitate; this product will help you go farther than you imagined.