Quick Summary
Optimum Nutrition Serious Mass is a vanilla mass gainer protein powder in a 1.34 kg pack with 4 servings. It is described as a high calorie formula with vitamins, creatine monohydrate and glutamine, and it is designed for mixing with water or plant milk.
For buyers, the main points to check are the flavour, pack size, serving count and the mix instructions, especially if you want a post-workout drink or something to take between meals.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Optimum Nutrition, helping identify the exact range. |
| Product type | Serious Mass protein powder mass gainer. |
| Flavour | Vanilla, so you can check you are choosing the right taste. |
| Pack size | 1.34 kg pack, with 4 servings stated. |
| Key formula points | Contains vitamins, creatine monohydrate and glutamine. |
| Mixing direction | Mix 2 scoops with 710 ml of water or plant milk. |
What to Compare Before Buying
- Flavour: This version is vanilla. Choose the flavour that suits your preference if taste matters.
- Pack size: The pack is 1.34 kg and the product is stated as 4 servings. Compare that with how often you expect to use it.
- Serving preparation: The mix direction uses 2 scoops with 710 ml of water or plant milk. Check that this serving style suits your routine.
- Formula points: The powder includes vitamins, creatine monohydrate and glutamine, so compare the listed formula against what you want from a mass gainer.
What Else You May Need
You will need water or plant milk for preparation, and a shaker or blender may be useful if you prefer a smoother mix.
Before You Decide
Confirm the vanilla flavour, 1.34 kg pack size and 4 serving count before choosing an offer. Check that the stated mix amount of 2 scoops with 710 ml suits how you plan to prepare it.






