Optimum Nutrition
Optimum Nutrition
Optimum Nutrition Serious Mass Weight Gainer, Chocolate, 12 lb
$54.99List price $59.998% off
Typical sale price. List price (MSRP) $59.99. Prices are for reference and vary by retailer.
- 1,250 calories per serving
- 50g protein
- Creatine and glutamine added
Overview
ON Serious Mass, the best-selling weight gainer for hard gainers. Between 2015 and 2025 the Optimum Nutrition Serious Mass Weight Gainer was one of the more popular mass gainers items sold in the United States. This listing is for the 12 lb version. 1,250 calories per serving. 50g protein.
Features
- 1,250 calories per serving
- 50g protein
- Creatine and glutamine added
Specifications
| Brand | Optimum Nutrition |
|---|---|
| Model / item number | ONSM-CH-12LB |
| Category | Mass Gainers |
| Most popular | 2015–2025 (USA & Europe) |
| Country of origin | USA |
| Warranty | 1 Year Limited Warranty |
| List price (MSRP) | $59.99 |
How it compares
| Product | Brand | List price | Popular |
|---|---|---|---|
| Optimum Nutrition Serious Mass Weight Gainer, Chocolate, 12 lb | Optimum Nutrition | $59.99 | 2015–2025 |
| MuscleTech Mass-Tech Extreme 2000, Triple Chocolate Brownie, 6 lb | MuscleTech | $49.99 | 2015–2025 |
| Dymatize Super Mass Gainer, Rich Chocolate, 6 lb | Dymatize | $44.99 | 2015–2025 |
| Naked Nutrition Naked Mass Weight Gainer, Unflavored, 8 lb | Naked Nutrition | $99.99 | 2015–2025 |