---
product_id: 249603014
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 - Chocolate, 6 Lbs (2.72 KG)"
brand: "optimum nutrition"
price: "624.70 DT"
currency: TND
in_stock: false
reviews_count: 13
category: "Optimum Nutrition"
url: https://www.desertcart.tn/products/249603014-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight
store_origin: TN
region: Tunisia
---

# 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 - Chocolate, 6 Lbs (2.72 KG)

**Brand:** optimum nutrition
**Price:** 624.70 DT
**Availability:** ❌ Out of Stock

## Summary

> 💥 Bulk smarter, not harder — Serious Mass for serious results!

## 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 - Chocolate, 6 Lbs (2.72 KG) by optimum nutrition
- **How much does it cost?** 624.70 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/249603014-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 carbohydrates with zero added sugar for sustained energy and lean mass.
- • **Calorie Powerhouse:** Fuel your gains with a massive 1,250 calories per serving—no more excuses.
- • **Advanced Muscle Support:** Includes Creatine, Glutamine, and Glutamic Acid to maximize strength and endurance.
- • **Immune-Boosting Formula:** Vitamin C, Zinc, and Vitamin D support your health while you bulk up.
- • **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 rapid muscle and mass gain. Each 6 lb container delivers 1,250 calories, 50 grams of blended protein, and over 250 grams of carbs per serving, enriched with 25 essential vitamins and minerals plus creatine and amino acids to support muscle recovery and immune health. Perfect for post-workout or between meals, this chocolate-flavored formula is a top-ranked, vegetarian-friendly supplement trusted by thousands.

## Description

Product 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. Set Contains: 1 x Pack

Review: this good - this good
Review: Loved it - Buy it

## 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 | B06XH28C1K |
| Age Range Description | Adult |
| Best Sellers Rank | #1,998 in Health ( See Top 100 in Health ) #95 in Sports Supplements |
| Brand | Optimum Nutrition |
| Brand Name | Optimum Nutrition |
| Country of Publication | USA |
| Customer Reviews | 4.3 out of 5 stars 15,841 Reviews |
| Diet Type | Vegetarian |
| Diet type | Vegetarian |
| Flavor | Chocolate |
| Flavour | Chocolate |
| Item Dimensions | 8 x 4 x 6 centimeters |
| Item Nype Name | HEALTH_PERSONAL_CARE |
| Item Weight | 2.72 Kilograms |
| Item weight | 2.72 Kilograms |
| Manufacturer | Optimum Nutrition |
| Manufacturer Part Number | SERIOUS MASS CHOCOLATE 6lbs |
| Material Type Free | Finished Product |
| Material type free | Finished Product |
| Model Number | SERIOUS MASS CHOCOLATE 6lbs |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | High Calorie, High Protein formula for Muscle and Mass Gain Support |
| Servings per container | 8 |
| Total Servings Per Container | 8 |
| UPC | 748927022995 748927070132 |
| Unit Count | 2720 Grams |

## Product Details

- **Brand:** Optimum Nutrition
- **Flavour:** Chocolate
- **Item weight:** 2.72 Kilograms
- **Material type free:** Finished Product
- **Servings per container:** 8

## 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 - Chocolate, 6 Lbs (2.72 KG) - Image 1](https://m.media-amazon.com/images/I/71qpIQW5NlL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can I need one kg**
A: Dear Valued Customer,

I hope this message finds you well.

We wanted to inform you that Optimum Serious Mass in the 1 kg variant is currently not in production by the company. However, we do have the following options available:

Optimum Nutrition (ON) Serious Mass: Chocolate, 12 Lbs (5.44 KG)
Optimum Nutrition (ON) Serious Mass: Chocolate, 6lb (2.73 KG)

Thank You!

**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

## Customer Reviews

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

this good

### ⭐⭐⭐⭐⭐ Loved it
*by A***N on 12 August 2025*

Buy it

### ⭐⭐⭐⭐ Good product
*by A***E on 29 March 2026*

one of the best muscle building protein

## Frequently Bought Together

- OPTIMUM NUTRITION Serious Mass Chocolate No Sugar Added, 272.1 g
- Optimum Nutrition Gold Standard Whey Protein, Muscle Building Powder with Naturally Occurring Glutamine and Amino Acids, Double Rich Chocolate, 29 Servings, 899 g, Packaging May Vary
- Optimum Nutrition Micronised Creatine Powder, 100% Pure Creatine Monohydrate Powder for Performance and Muscle Power, Unflavoured Shake, 93 Servings, 317 g

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-02*