Optimum Nutrition Serious Mass Vanilla (12lb) 16 Servings

Optimum Nutrition Serious Mass Weight Gainer Protein Powder Supports Muscle Building & Weight Gains.

Serious Mass is definitive in weight gain equations. With 1,250 calories for each serving and 50 grams of protein for muscle recuperation support, this instantized powder makes the perfect post-exercise and between dinners shake for evaluating your objectives. Genuine Mass gives you the apparatuses you have to pack on the pounds and assist you with building up the physical make-up you've always needed.