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5 months of daily protein at one scoop per day
The result: fast glycogen loading without the sugar crash
Peanut Butter Fudge
Tamarisk (Tamarix gallica) whole plant
microbials tested
Optimum Serious Mass 6lbs Featured Deals 5 months of daily proteinOptimum Nutrition Serious Mass High Calorie Mass Gainer (6 lbs) Optimum Nutrition Serious Mass is the classic hard gainer's mass gainer engineered to deliver a massive 1,250 calories, 50g of protein, and 254g of carbohydrates per 2 scoop serving. For ectomorphs and underweight athletes who genuinely struggle to eat enough food to fuel muscle growth, Serious Mass provides a convenient, drinkable calorie surplus that would take several full meals to
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