- Popular Weight Gainer
- Can Be Consumed Between Meals, After Exercise or Before Bed
- Source of Carbohydrate, Proteins & Vitamin & Mineral Blend
Optimum Nutrition Serious Mass is the perfect product If you are looking for the ultimate weight gainer.
Each serving provides over 250g of Carbohydrates and 50g of Protein. It is also a rich source of Creatine, L-Glutamine Peptides, Choline, Insositol and MCTs.
When mixed with low fat milk, each serving of Optimum Nutrition Serious Mass provides 1640 calories.