

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.
🏋️♂️ Bulk smarter, not harder with Serious Mass!
Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering over 1,200 calories, 50g of premium whey protein, and 250g+ carbohydrates per serving. Enhanced with 20+ essential vitamins and minerals, it supports muscle growth, recovery, and immune health. Perfect for professionals committed to serious bulking and sustained energy, this customizable shake mix blends easily and fuels your gains with trusted quality from the world’s #1 sports nutrition brand.














| ASIN | B0015R36SK |
| ASIN | B0015R36SK |
| Age Range Description | Adult |
| Allergen Information | Milk, Soy |
| Best Sellers Rank | #1,683 in Health & Household ( See Top 100 in Health & Household ) #2 in Sports Nutrition Weight Gainers #212 in Sales & Deals |
| Brand Name | Optimum Nutrition |
| Customer Reviews | 4.5 4.5 out of 5 stars (34,640) |
| Date First Available | May 7, 2005 |
| Department | unisex-adult |
| Diet Type | Vegetarian |
| Flavor | Chocolate |
| Is Discontinued By Manufacturer | Yes |
| Item Dimensions | 6.14 x 6.14 x 9.76 inches |
| Item Weight | 0.9 Kilograms |
| Item model number | 1101537 |
| Manufacturer | Glanbia Performance Nutrition |
| Manufacturer | Glanbia Performance Nutrition |
| Manufacturer Part Number | 1101537 |
| Material Type Free | Caffeine Free |
| Model Name | ON SERIOUS MASS CHOCOLATE 6LB |
| Model Number | 1101537 |
| Number of Items | 1 |
| Package Type Name | Tub |
| Product Benefits | Immune Support, Muscle Growth, Weight Gain |
| Product Dimensions | 6.14 x 6.14 x 9.76 inches; 1.98 Pounds |
| Protein | 50 Grams |
| Protein Source | Whey |
| Recommended Uses For Product | Calorie Increase, Muscle Growth, Post-Workout, Weight Gain |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 8.0 |
| UPC | 748927022995 |
| Unit Count | 96.0 Ounce |
| Vitamins And Minerals | 0.9, 3.7, 30.0, 5.0, 700.0 Milligrams, 410, 80 Milligrams |
Trustpilot
2 weeks ago
1 month ago