Serious Mass is easy to use, and comes with clear and concise instructions. It should be used as a dietary supplement in the following way: You should add two heaped scoops full of Serious Mass (the scoop is included with the product) to a blender containing 27 fluid ounces of a cold fluid – preferably [...]

Optimum Nutrition have come up with a brilliant new product to help aid people in their goals of gaining weight and muscle mass. Serious Mass is a way to gain plenty of weight – but muscular weight, not weight in fat. Every serving of Serious Mass contains 1250 calories of goodness, including 50g of top [...]