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Serious Mass
Serious Mass by Optimum Nutrition provides 379 kcal per 100 g, with 8.5 g of sugars and 14.7 g of protein. That is 123% more sugar than the average product in this category. It is classified as NOVA 4 (ultra-processed food). It is listed in the Protein powders category. Contains: milk, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 2 heaping scoops (340 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 379 kcal | 1,288 kcal | 363 | |
| Total fat | 1.8 g | 6 g | 8% | 4.7 −63% |
| Saturated fat | 1 g | 3.5 g | 18% | 2.1 −50% |
| Carbohydrates | 73.8 g | 251 g | 91% | 10.1 +633% |
| Total sugars | 8.5 g | 29 g | 3.8 +123% | |
| Added sugars | 0.7 g | 2.3 g | 5% | 0.6 +19% |
| Dietary fiber | 1.2 g | 4 g | 14% | 4.1 −71% |
| Protein | 14.7 g | 50 g | 100% | 69.5 −79% |
| Salt | 0.5 g | 1.6 g | 1.1 −56% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 4748 Protein powders products on Foodmetria.
Compared with other protein powders
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Maltodextrin, Whey Protein Concentrate, Cocoa (processed with alkali), Natural and Artificial Flavor, Sunflower and/or Soy Lecithin, Acesulfame Potassium, Sucralose
- Allergens
- MilkSoybeans
Additives 4
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Serving size
- 2 heaping scoops (340 g)
- Sold in
- United States
- Barcode
- 0748927063769
Prices reported by shoppers
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Frequently asked questions
How many calories are in Serious Mass?
Serious Mass contains 379 kcal per 100 g and about 1,288 kcal per serving (2 heaping scoops (340 g)).
How much sugar is in Serious Mass?
Serious Mass has 8.5 g of sugars per 100 g, which is considered moderate by UK front-of-pack guidelines.
Is Serious Mass healthy?
It is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Serious Mass vegan?
Based on its ingredient list, it is not vegan.
What allergens does Serious Mass contain?
According to the label data it contains: Milk, Soybeans. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated April 30, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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