---
product_id: 1047483
title: "Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB"
brand: "optimum nutrition"
price: "277056CFA"
currency: XOF
in_stock: true
category: "Optimum Nutrition"
url: https://www.desertcart.sn/products/1047483-optimum-nutrition-serious-mass-weight-gainer-protein-powder-chocolate-12lb
store_origin: SN
region: Senegal
---

# Rich chocolate flavor 50g blended protein 1200+ calories/serving Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB

**Brand:** optimum nutrition
**Price:** 277056CFA
**Availability:** ✅ In Stock

## Summary

> 🚀 Bulk smarter, not harder with Serious Mass!

## Quick Answers

- **What is this?** Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB by optimum nutrition
- **How much does it cost?** 277056CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/1047483-optimum-nutrition-serious-mass-weight-gainer-protein-powder-chocolate-12lb)

## 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 1,200+ calories per 2-scoop serving—because average just won’t cut it.
- • **Carb-Loaded Energy:** Over 249 grams of carbohydrates to supercharge your daily calorie intake and keep you energized.
- • **Immune Boost Formula:** Infused with 20+ vitamins and minerals including Vitamin C and Zinc to keep your defenses strong while you bulk.
- • **Customizable Mass Builder:** Blend with fruits, nuts, or peanut butter for a personalized calorie boost that fits your lifestyle and goals.
- • **Protein Packed Performance:** 50 grams of premium blended protein to amplify muscle growth and recovery post-workout.

## Overview

Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering over 1,200 calories, 50g of blended protein, and 249g+ carbs per 2-scoop serving. Enhanced with 20+ vitamins and minerals for immune support, it’s designed for serious muscle growth and weight gain, perfect for post-workout or between meals. Versatile enough to customize with your favorite calorie-dense add-ins, this 12LB chocolate-flavored tub is a top choice for professionals committed to leveling up their physique.

## Description

More calories. More protein. More carbs. SERIOUS MASS by Optimum Nutrition serves over 1,200 calories, 50g of blended protein, and over 249g of carbohydrates per 2-scoop serving to help you maximize your daily caloric intake – the ideal post-workout and between meals shake for sizing up your goals. SERIOUS MASS provides you with more tools to help you pack on pounds, when taken in addition to normal calorie intake and over time with regular resistance training.

## Features

- HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving
- 50 grams of blended protein per 2-scoop serving
- Over 250 grams of carbohydrates per 2-scoop serving
- With over 20 vitamins and minerals including Vitamin C 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 | B000GIPJ0M |
| ASIN  | B000GIPJ0M |
| Age Range Description | Adult |
| Allergen Information | Milk, Soy |
| Best Sellers Rank | #1,649 in Health & Household ( See Top 100 in Health & Household ) #2 in Sports Nutrition Weight Gainers #209 in Sales & Deals |
| Brand Name | Optimum Nutrition |
| Customer Reviews | 4.5 4.5 out of 5 stars (34,644) |
| Date First Available  | September 16, 2003 |
| Department  | unisex-adult |
| Diet Type | Vegetarian |
| Flavor | Chocolate |
| Global Trade Identification Number | 00748927023800 |
| Item Dimensions | 11.5 x 5.5 x 16 inches |
| Item Weight | 12 pounds |
| Item model number  | 1101529 |
| Manufacturer | Glanbia Performance Nutrition |
| Manufacturer  | Glanbia Performance Nutrition |
| Manufacturer Part Number | 1101529 |
| Material Type Free | Caffeine Free |
| Model Name | ON SERIOUS MASS CHOCOLATE 12LB |
| Model Number | 1101529 |
| Net Content Volume | 13.88 liters |
| Number of Items | 1 |
| Package Type Name | Tub |
| Product Benefits | Immune Support, Muscle Growth, Weight Gain |
| Product Dimensions  | 11.5 x 5.5 x 16 inches; 12 pounds |
| Protein | 50 g |
| Protein Source | Whey |
| Recommended Uses For Product | Calorie Increase, Muscle Growth, Post-Workout, Weight Gain |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 16 |
| UPC | 748927023800 748927063592 |
| Unit Count | 192 Ounce |
| Vitamins And Minerals | 0.9, 3.7, 30, 5, 700 milligrams, 100, 100, 1560, 410, 44, 59, 80 percent_daily_value_fda |

## Product Details

- **Brand:** Optimum Nutrition
- **Flavor:** Chocolate
- **Item Weight:** 12 pounds
- **Material Type Free:** Caffeine Free
- **Servings per Container:** 16

## Images

![Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB - Image 1](https://m.media-amazon.com/images/I/71HjvVnPj5L.jpg)

## Available Options

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

## 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
- VELOMIX -2 Pack- 28 oz Protein Shaker Bottles for Protein Mixes - 2x Wire Whisk | Leak Proof Shaker Cups for Protein Shakes | Protein Shaker Bottle Pack | Shakers for Protein Shakes-Black&Transparent

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**Shop now:** [https://www.desertcart.sn/products/1047483-optimum-nutrition-serious-mass-weight-gainer-protein-powder-chocolate-12lb](https://www.desertcart.sn/products/1047483-optimum-nutrition-serious-mass-weight-gainer-protein-powder-chocolate-12lb)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-25*