Quick Summary
Optimum Nutrition Serious Mass is a high calorie mass gainer protein powder in Chocolate Peanut Butter flavour, sold here as a 5.45 kg pack with 16 servings. It is described as a low fat formula with over 1,250 calories and 50 g of protein per serving, plus creatine monohydrate, glutamine, vitamins and minerals.
The product is intended to be mixed with water or plant milk. The stated preparation uses 2 scoops with 710 ml of liquid, and fruit or nut butters may be added for a more calorific smoothie.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Optimum Nutrition, for buyers looking for this specific protein powder range. |
| Product type | Serious Mass high calorie mass gainer protein powder. |
| Flavour | Chocolate Peanut Butter. |
| Pack size | 5.45 kg pack. |
| Servings | 16 servings. |
| Per serving | Over 1,250 calories and 50 g of protein per serving. |
| Other stated ingredients | Creatine monohydrate, glutamine, vitamins and minerals. |
| Preparation | 2 scoops with 710 ml of water or plant milk. |
What to Compare Before Buying
- Serving size and pack size: This pack is stated as 5.45 kg and 16 servings. Check that the quantity matches how often you plan to use it.
- Calories and protein per serving: The product states over 1,250 calories and 50 g of protein per serving. Compare that with your own intake needs.
- Flavour: This version is Chocolate Peanut Butter. If flavour matters, choose the variant you want before ordering.
- Mixing liquid: The stated preparation uses water or plant milk. Check that this suits how you plan to make it.
Before You Decide
Confirm the Chocolate Peanut Butter variant, the 5.45 kg pack size and the 16-serving count before choosing an offer. The stated preparation uses 2 scoops with 710 ml of liquid, so make sure that suits your routine. If you want a different flavour, another version is available separately.
