---
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: "$115.39"
currency: USD
in_stock: true
reviews_count: 8
category: "Optimum Nutrition"
url: https://www.desertcart.us/products/249603014-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight
store_origin: US
region: United States of America
---

# 25 Vitamins & Minerals + Creatine boost 50g Blended Protein for muscle recovery 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:** $115.39
**Availability:** ✅ In Stock

## Summary

> 💥 Bulk Up, Stand Out — 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?** $115.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/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 carbs with zero added sugar for sustained energy and mass.
- • **Protein Powerhouse:** 50 grams of premium blended protein to accelerate recovery and build lean muscle.
- • **Maximize Your Gains:** 1,250 calories fuel serious muscle growth and weight gain.
- • **Immune Boost Formula:** Vitamin C, Zinc, and Vitamin D support your body's defenses while you bulk.
- • **Performance Enhancers Included:** Creatine, Glutamine, and Glutamic Acid to push your workouts further.

## Overview

Optimum Nutrition Serious Mass is a high-calorie, high-protein weight gainer designed for adults seeking rapid muscle and mass gain. Each serving delivers 1,250 calories, 50 grams of blended protein, and over 250 grams of carbohydrates with no added sugar, complemented by 25 essential vitamins and minerals plus performance enhancers like creatine and glutamine. Perfect for post-workout recovery and between-meal nutrition, this chocolate-flavored powder supports muscle growth, immune health, and sustained energy.

## 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: 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 | B06XH28C1K |
| Age Range Description | Adult |
| Best Sellers Rank | #2,507 in Health ( See Top 100 in Health ) #119 in Sports Supplements |
| Brand | Optimum Nutrition |
| Brand Name | Optimum Nutrition |
| Country of Publication | USA |
| Customer Reviews | 4.2 out of 5 stars 47,097 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 |
| Material Type Free | Finished Product |
| Material type free | Finished Product |
| 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

### ⭐⭐⭐⭐⭐ 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 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 United States of America*
*Store origin: US*
*Last updated: 2026-03-03*