---
product_id: 253312791
title: "Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG)"
brand: "optimum nutrition"
price: "€ 217.65"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.fi/products/253312791-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight
store_origin: FI
region: Finland
---

# 25 Vitamins & Minerals 50g Blended Protein 1250 Calories per serving Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG)

**Brand:** optimum nutrition
**Price:** € 217.65
**Availability:** ✅ In Stock

## Summary

> 💥 Bulk up smarter, not harder with Serious Mass!

## Quick Answers

- **What is this?** Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG) by optimum nutrition
- **How much does it cost?** € 217.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/253312791-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight)

## Best For

- optimum nutrition enthusiasts

## Why This Product

- Trusted optimum nutrition brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clean Carb Energy:** Over 250 grams of carbohydrates with zero added sugar to keep your energy clean and sustained.
- • **Calorie Powerhouse:** Fuel your gains with a massive 1,250 calories per serving to crush your weight goals.
- • **Muscle Recovery Boost:** 50 grams of premium blended protein to accelerate muscle repair and growth post-workout.
- • **Nutrient-Rich Formula:** Packed with 25 essential vitamins and minerals including Vitamin C, Zinc, and Vitamin D for immune support.
- • **Performance Enhancers:** Includes Creatine, Glutamine, and Glutamic Acid to maximize strength and recovery.

## Overview

Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering 1,250 calories, 50 grams of protein, and 25 essential vitamins and minerals per serving. Designed for serious muscle builders, it supports intense training recovery and immune health with added Creatine, Glutamine, and no added sugars, making it the go-to formula for millennials committed to leveling up their physique.

## Description

Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals. Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.

Review: this good - this good
Review: Works well for what it is - I bought this mass gainer two months so I can gain weight and put on muscle mass. Let me tell you it worksssss! Over the two months I’ve been taking it I’ve noticed noticeable size gains across my entire body. Though one thing if you were to take this and not train with intensity you’ll gain fat but me since I train five days a week with high intensity per session this mass gainer works very well as my post workout shake and helped significantly to put on muscle mass as well.

## Features

- Adding Calories Has Never Been This Easy or Tasted So Good
- 1,250 Calories
- 50 Grams of Blended Protein & 25 Vitamins and Essential Minerals
- Over 250 Grams of Carbohydrates with NO ADDED SUGAR
- Creatine, Glutamine and Glutamic Acid

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000GIPJ02 |
| ASIN  | B000GIPJ02 |
| Age Range Description | Adult |
| Allergen Information | Eggs, Milk, Soy, Wheat |
| Best Sellers Rank | #1,349 in Health ( See Top 100 in Health ) #502 in Multiple Vitamin-Mineral Combination Supplements |
| Brand | Optimum Nutrition |
| Customer Reviews | 4.2 4.2 out of 5 stars (47,613) |
| Customer reviews | 4.2 4.2 out of 5 stars (47,613) |
| Date First Available | 7 August 2012 |
| Department  | GNC|ALL|ALL|NUTRITIONAL SUPPLEMENTS |
| Format | Powder |
| Is Discontinued By Manufacturer  | Yes |
| Item model number  | 1031920 |
| Manufacturer  | Glanbia Performance Nutrition |
| Product Dimensions  | 29.21 x 13.97 x 40.64 cm; 5.44 kg |
| Serving Recommendation | One Scoop |
| Serving Size | 2 scoops, 2 scoops |
| Units | 5440 Grams |
| Use By Recommendation | Between Meals, After Weight Training & Before Bed |
| Weight | 12 Pounds |

## Product Details

- **Brand:** Optimum Nutrition
- **Flavour:** Vanilla
- **Item weight:** 192 Ounces
- **Material type free:** Finished Product
- **Servings per container:** 16

## Images

![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG) - Image 1](https://m.media-amazon.com/images/I/510JUtwvEyL.jpg)
![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG) - Image 2](https://m.media-amazon.com/images/I/61EkreJhv-L.jpg)
![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG) - Image 3](https://m.media-amazon.com/images/I/61zF8JIwEgL.jpg)
![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG) - Image 4](https://m.media-amazon.com/images/I/61ABPFflknL.jpg)
![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Vanilla, 12 Lbs (5.44 KG) - Image 5](https://m.media-amazon.com/images/I/61AbYOXhCwL.jpg)

## Available Options

This product comes in different **Size, Flavor** options.

## Questions & Answers

**Q: When the date of expiry?**
A: 1 year ahead is the minimum requirement of all nutritional stuff in Amazone

**Q: Is there a version of this product without creatine?**
A: Hi,
This product contains Creatine. There is no version of this product without creatine.

**Q: What is the expiry date ?**
A: October/2022

**Q: What is the date if expiry?**
A: The date of expiry is after 1 year and a half

## Customer Reviews

### ⭐⭐⭐⭐⭐ this good
*by H***L on 29 December 2025*

this good

### ⭐⭐⭐⭐⭐ Works well for what it is
*by R***L on 11 December 2022*

I bought this mass gainer two months so I can gain weight and put on muscle mass. Let me tell you it worksssss! Over the two months I’ve been taking it I’ve noticed noticeable size gains across my entire body. Though one thing if you were to take this and not train with intensity you’ll gain fat but me since I train five days a week with high intensity per session this mass gainer works very well as my post workout shake and helped significantly to put on muscle mass as well.

### ⭐⭐⭐⭐ Will recommend
*by M***. on 3 December 2025*

It works superbly

## Frequently Bought Together

- Optimum Nutrition Serious Mass, Weight Gainer Protein Powder with Creatine
- Nutricost Creatine Monohydrate Micronized Powder 500G, 5000mg Per Serv (5g) - 100 Servings, 17.9 Oz
- VOLTRX Premium Electric Protein Shaker Bottle, Made with Tritan - BPA Free - 24 oz Vortex Portable Mixer Cup/USB Rechargeable Shaker Cups for Protein Shakes

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-06*