---
product_id: 632075850
title: "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary)"
brand: "optimum nutrition"
price: "₨5554"
currency: SCR
in_stock: true
reviews_count: 5
category: "Optimum Nutrition"
url: https://www.desertcart.sc/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle
store_origin: SC
region: Seychelles
---

# 250g+ carbs/serving 50g protein blend 1,250 calories/serving Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary)

**Brand:** optimum nutrition
**Price:** ₨5554
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary) by optimum nutrition
- **How much does it cost?** ₨5554 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle)

## 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

- • **Calorie Powerhouse:** Fuel your gains with a massive 1,250 calories per serving—because average just won’t cut it.
- • **Carb-Loaded Energy:** Over 250 grams of carbohydrates to replenish glycogen and keep you energized all day long.
- • **Muscle Recovery Boost:** 50 grams of premium blended protein to accelerate muscle repair and growth post-workout.
- • **Customizable Nutrition:** Blend with your favorite fruits, nuts, or peanut butter for a personalized calorie and flavor upgrade.
- • **Immune-Strength Formula:** Packed with 22 essential vitamins & minerals including Vitamin C, D, and Zinc to keep you strong inside and out.

## Overview

Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering 1,250 calories, 50 grams of protein, and over 250 grams of carbs per serving. Enhanced with 22 vitamins and minerals for immune support, it’s designed for serious muscle growth and recovery. Perfect for professionals who demand efficient, customizable nutrition to power their fitness goals.

## 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: Ottimi effetti e gusto davvero piacevole. Richiede un po’ più tempo per sciogliersi in acqua, ma le porzioni sono abbondanti e soddisfacenti.
Review: Es de muy buena calidad y precio

## Features

- High calorie weight gainer: more than 1,200 calories per 2-scoop serving
- 50 grams of blended protein per serving
- Over 250 of carbohydrates per serving
- 22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support
- More versatility: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00OV0VYHI |
| ASIN  | B00OV0VYHI |
| Age Range Description | Adult |
| Best Sellers Rank | #16,679 in Health ( See Top 100 in Health ) #702 in Sports Supplements |
| Brand | Optimum Nutrition |
| Customer Reviews | 4.5 4.5 out of 5 stars (5,567) |
| Customer reviews | 4.5 4.5 out of 5 stars (5,567) |
| Date First Available | 5 January 2015 |
| Format | Powder |
| Is Discontinued By Manufacturer  | No |
| Item model number  | 1056371 |
| Manufacturer  | Glanbia Performance Nutrition |
| Product Dimensions  | 29.21 x 13.97 x 40.64 cm; 5.44 kg |
| Taste | Chocolate |
| Units | 5443.1 Grams |
| Weight | 12.83 Pounds |

## Product Details

- **Brand:** Optimum Nutrition
- **Diet type:** Vegetarian
- **Flavour:** Chocolate Peanut Butter
- **Item weight:** 12 Pounds
- **Material type free:** Caffeine Free

## Images

![Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary) - Image 1](https://m.media-amazon.com/images/I/511yjH27xML.jpg)
![Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary) - Image 2](https://m.media-amazon.com/images/I/51hamHl1UaL.jpg)
![Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary) - Image 3](https://m.media-amazon.com/images/I/61-jEe1h3SL.jpg)
![Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary) - Image 4](https://m.media-amazon.com/images/I/6131C1TesqL.jpg)
![Optimum Nutrition Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary) - Image 5](https://m.media-amazon.com/images/I/6132coLeWRL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on 12 October 2025*

Ottimi effetti e gusto davvero piacevole. Richiede un po’ più tempo per sciogliersi in acqua, ma le porzioni sono abbondanti e soddisfacenti.

### ⭐⭐⭐⭐⭐ Review
*by M***A on 15 October 2025*

Es de muy buena calidad y precio

### ⭐⭐⭐⭐⭐ Review
*by J***T on 10 April 2021*

Like the flavour.

## Frequently Bought Together

- Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate Peanut Butter, 12 Pound (Packaging May Vary)
- Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, 120 Servings, 600 Grams (Packaging May Vary)

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**Shop now:** [https://www.desertcart.sc/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle](https://www.desertcart.sc/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-03*