Optimum Nutrition Serious Mass 12lbProduct Description Optimum Nutrition Serious Mass is the ultimate weight gain protein formula that supplies hard gainers and ectomorphs, with the calories needed to pack on pounds of quality muscle and develop a strong, solid and muscular physique. One of Sprint Fit's favourites: this mass gainer delivers nutritional support in the form of 1250 calories, 50 grams of quality blended protein and over 250 grams of carbohydrates in each serve. Add in

Can be taken anytime during the day

meaning that it will stimulate the nervous system to boost metabolism and promote the break-down of subcutaneous adipose tissue (stubborn fat cells stored under skin)

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Vitamin C functions as an antioxidant and plays a key role in healthy immune function

Always read the label and use it as directed

but the body works very hard to keep blood levels of magnesium stable

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and colon and breast cancer

and may be beneficial as a support in recovery from injury or at times of stress when the need for vitamin C increases

Mix up to one scoop (6

help prevent muscle breakdown (catabolism) which happens when you are training hard and even dieting

Looking for a natural way to support your immune system