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Highlights
- ON Serious Mass is the absolute lean mass gaining blend with guaranteed positive results
- Full 1,250 calories, 50g of blended protein, More than 250g of carbs with no added sugar, Creatine, Glutamine and glutamic acid, 25 vitamins and essential minerals
- Optimum Nutrition Serious Mass is the go-to protein powder formula to maximize your muscle building and achieve weight gain goals
Specifications
| Product Weight | 97.6 oz |
| Size | 5443 grams |
| Department | Unisex |
| Model Number | 105716 |
On Serious Mass Chocolate Pb 12lb
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