Quick Summary
Optimum Nutrition Serious Mass is a chocolate mass gainer protein powder in a 2.73 kg pack with 8 servings. It is positioned as a high-calorie powder and includes vitamins, creatine and glutamine.
The pack size and serving count are important checks for buyers who want to compare how long one container is likely to last and whether the flavour suits them.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Optimum Nutrition – the brand name helps confirm the exact product family. |
| Product type | Protein powder mass gainer – intended for buyers looking for a calorie-dense powder format. |
| Flavour | Chocolate – useful if flavour preference matters. |
| Pack size | 2.73 kg – check the space available for storage and handling. |
| Servings | 8 servings – compare this with how often you expect to use it. |
| Included ingredients named in the product name and description | Vitamins, creatine and glutamine – these are part of the stated formula. |
What to Compare Before Buying
- Pack size: Compare 2.73 kg with the amount you want to keep in stock and the storage space you have.
- Servings: The pack contains 8 servings, so check whether that quantity matches your planned use.
- Flavour: This version is chocolate, so make sure that suits your preference.
- Formula: The powder is described as including vitamins, creatine and glutamine, so compare that mix with what you want from a mass gainer.
What Else You May Need
To prepare it, the powder is mixed with 710 ml of water or plant milk using 2 scoops. A blender or shaker bottle may also be useful, depending on how you prefer to make it.
Before You Decide
Confirm the chocolate flavour, 2.73 kg pack size and 8-serving count before choosing an offer. If you plan to make it as directed, check that you are happy with the stated mix amount of 710 ml per serving and whether you want to use water or plant milk.






