---
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: "VT31630"
currency: VUV
in_stock: true
reviews_count: 13
category: "Optimum Nutrition"
url: https://www.desertcart.vu/products/249603014-optimum-nutrition-on-serious-mass-high-protein-muscle-building-weight
store_origin: VU
region: Vanuatu
---

# 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:** VT31630
**Availability:** ✅ In Stock

## Summary

> 🚀 Bulk up smarter, not harder — Serious Mass means serious gains!

## 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?** VT31630 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/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 without the crash.
- • **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 to maximize post-workout results.
- • **Immune-Boosting Formula:** Infused with Vitamin C, Zinc, and Vitamin D 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 weight gainer designed for adults aiming to build muscle mass efficiently. Each serving delivers 1,250 calories, 50 grams of blended protein, and over 250 grams of carbs without added sugar, complemented by 25 essential vitamins and minerals plus performance enhancers like creatine and glutamine. Ideal as a post-workout or between-meal shake, it supports muscle recovery, immune health, and sustained energy for intense training regimens.

## 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: 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 | B06XH28C1K |
| ASIN  | B06XH28C1K |
| Age Range Description | Adult |
| Best Sellers Rank | #1,109 in Health ( See Top 100 in Health ) #43 in Sports Supplements |
| Brand | Optimum Nutrition |
| Country of origin | USA |
| Country of origin  | USA |
| Customer Reviews | 4.2 4.2 out of 5 stars (47,895) |
| Customer reviews | 4.2 4.2 out of 5 stars (47,895) |
| Date First Available | 7 April 2017 |
| Format | Powder |
| Is Discontinued By Manufacturer  | Yes |
| Item model number  | ON Serious Mass Chocolate 6lb |
| Manufacturer  | Optimum Nutrition |
| Product Dimensions  | 8 x 4 x 6 cm; 2.72 kg |
| Product Name | HEALTH_PERSONAL_CARE |
| Serving Recommendation | One Scoop |
| Serving Size | 2 scoops, 2 scoops |
| Units | 2720 Grams |
| Volume | 0.27 Milliliters |
| Weight | 0.27 Kilograms |

## 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

### ⭐⭐⭐⭐⭐ 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 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 Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-12*