Optimum Nutrition Serious Mass 5.45kg
- 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
