---
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: "₱16257"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle
store_origin: PH
region: Philippines
---

# 22 vitamins & minerals 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:** ₱16257
**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?** ₱16257 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/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

- • **Trusted Bulk Size:** Generous 12-pound container designed to keep you fueled through every training cycle.
- • **Calorie Powerhouse:** Fuel your gains with 1,250+ calories per 2-scoop serving—because size matters.
- • **Muscle Recovery Boost:** 50 grams of premium blended protein to accelerate muscle repair and growth.
- • **Customizable Nutrition:** Blend with fruits, nuts, or peanut butter for a personalized calorie and flavor upgrade.
- • **Immune Defense Formula:** Packed with 22 essential vitamins and minerals including Vitamin C, D, and Zinc to keep you strong.

## Overview

Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering over 1,250 calories and 50 grams of protein per serving, enhanced with 22 vitamins and minerals for immune support. Its versatile powder formula lets you customize shakes with calorie-dense add-ins, making it the go-to choice for serious muscle gain and recovery.

## Description

Serious Mass, Weight Gainer Protein Powder for Muscle Gain, Added Immune Support, Chocolate Peanut Butter, 12 Pound (Packaging May Vary)

## 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 |
|---------------|-------|
| Weight | 12.83 Pounds |
| Units | 5443.1 Grams |
| Brand | Optimum Nutrition |
| Taste | Chocolate |
| Format | Powder |
| Age Range Description | Adult |

## Product Details

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

## 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)

## Available Options

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

## 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.ph/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle](https://www.desertcart.ph/products/632075850-optimum-nutrition-serious-mass-weight-gainer-protein-powder-for-muscle)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-01-23*