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Lagos, Ojo, 1 hour ago
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Optimum Nutrition Serious Mass
Optimum Nutrition
Brand
Weight-Gain Products
Type
Powder
Formulation
Adult
Age Group
Optimum Nutrition Serious Mass is a powerful high-calorie weight gainer designed for individuals looking to build size, strength, and muscle mass. Each serving delivers a rich blend of proteins, complex carbs, vitamins, and minerals to fuel recovery and growth. Ideal for hard gainers, it supports healthy weight gain, energy, and performance.
Safety tips
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