Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Chocolate, 6 Lbs (2.72 KG)

Description

💥 Bulk smarter, recover faster, and own your transformation.

Optimum Nutrition Serious Mass is a high-calorie weight gainer powder delivering 1,250 calories and 50 grams of blended protein per serving, enriched with 25 essential vitamins and minerals plus creatine and immune-supporting nutrients. Designed for adults aiming to build muscle mass efficiently, this chocolate-flavored formula fuels intense workouts and rapid recovery with clean carbs and no added sugar.