Quick Summary
Optimum Nutrition Serious Mass is a vanilla high calorie mass gainer powder in a 2.73 kg pack. It is presented as a protein source that can be used post-workout or between meals, with vitamins, creatine and glutamine included in the product name and description.
The pack is described as providing 8 servings. If you are comparing offers, check the flavour, pack size and serving count so you choose the version you want.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Optimum Nutrition, which identifies the product range. |
| Product type | Protein powder high calorie mass gainer. |
| Flavour | Vanilla, which matters if you prefer a specific taste. |
| Pack size | 2.73 kg, useful when comparing container size and storage space. |
| Servings | 8 servings, which affects how long the pack lasts. |
| Included in name | Vitamins, creatine and glutamine are named as part of the product. |
| Serving information | 1,255 to 1,272 calories per serving when mixed with water, 50 g to 53 g protein per serving, and 250 g+ carbohydrates per serving are stated for the product. |
| Other stated feature | No added sugar. |
What to Compare Before Buying
- Pack size and servings: This pack is 2.73 kg with 8 servings, so compare it with how often you expect to use a mass gainer.
- Flavour: The flavour is vanilla, so check that this suits your preference before choosing an offer.
- Serving profile: The stated calories, protein and carbohydrate content per serving are central to choosing this type of powder.
- Additives named in the product: Vitamins, creatine and glutamine are part of the product identity, so compare that mix with what you want from a mass gainer.
What Else You May Need
The powder is stated to mix with water, and it is also described as mixing well in a blender with ingredients such as fruit and nut butters. If you plan to prepare it that way, check that you have the equipment and ingredients you want to use.
Before You Decide
Confirm the flavour, pack size and 8-serving count before choosing an offer. Also check the stated calories, protein and carbohydrate figures if those are the main reasons you are considering this mass gainer.






