---
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: "€ 149.36"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.pt/products/253312791-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight
store_origin: PT
region: Portugal
---

# 25 Vitamins & Minerals + Creatine boost 50g Blended Protein for muscle growth 1,250 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:** € 149.36
**Availability:** ❌ Out of 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?** € 149.36 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/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 Surge:** Over 250g of carbs with zero added sugar to keep your energy clean and consistent.
- • **Calorie Powerhouse:** Fuel your gains with a massive 1,250 calories per serving—because size matters.
- • **Recovery Amplifiers:** Enhanced with Creatine, Glutamine, and Glutamic Acid for next-level post-workout repair.
- • **Immune Boost Formula:** Vitamin C, Zinc, and Vitamin D team up to keep you strong inside and out.
- • **Protein-Packed Performance:** 50 grams of premium blended protein to accelerate muscle recovery and growth.

## Overview

Optimum Nutrition Serious Mass is a high-calorie, high-protein weight gainer designed for adults seeking serious muscle and mass gains. Each serving delivers 1,250 calories, 50 grams of blended whey protein, and over 250 grams of carbohydrates without added sugar, complemented by 25 essential vitamins and minerals plus performance enhancers like creatine and glutamine. Ideal for post-workout recovery and sustained energy, this vanilla-flavored powder supports immune health and muscle growth in a convenient 12 lb container.

## 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: هل يزيد بالوزن - Good product fast delivery

## 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 |
| Age Range Description | Adult |
| Allergen Information | Eggs, Milk, Soy, Wheat |
| Best Sellers Rank | #868 in Health ( See Top 100 in Health ) #232 in Multiple Vitamin-Mineral Combination Supplements |
| Brand | Optimum Nutrition |
| Brand Name | Optimum Nutrition |
| Country of Publication | USA |
| Customer Reviews | 4.2 out of 5 stars 46,801 Reviews |
| Diet Type | Vegetarian |
| Diet type | Vegetarian |
| Flavor | Vanilla |
| Flavour | Vanilla |
| Item Dimensions | 29.2 x 14 x 40.6 centimeters |
| Item Weight | 192 Ounces |
| Item height | 16 inches |
| Item weight | 192 Ounces |
| Manufacturer | Glanbia Performance Nutrition |
| Material Type Free | Finished Product |
| Material type free | Finished Product |
| Net Content Volume | 13.88 Liters |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | High Calorie, High Protein formula for Muscle and Mass Gain Support |
| Protein Source | Whey |
| Recommended Uses For Product | Post-Workout |
| Servings per container | 16 |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 16 |
| UPC | 748927023824 |
| Unit Count | 5440 Grams |

## Product Details

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

## 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)

## 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

### ⭐⭐⭐⭐⭐ هل يزيد بالوزن
*by H***L on 10 December 2025*

Good product fast delivery

### ⭐⭐⭐⭐ 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/253312791-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight](https://www.desertcart.pt/products/253312791-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-27*