---
product_id: 312170077
title: "GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength, Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies & Cream, 13 Servings, 6 SVG"
brand: "gnc"
price: "₨4558"
currency: SCR
in_stock: true
reviews_count: 8
category: "Gnc"
url: https://www.desertcart.sc/products/312170077-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder
store_origin: SC
region: Seychelles
---

# Clinically proven strength boost 50g protein per serving 780 calories fuel GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength, Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies & Cream, 13 Servings, 6 SVG

**Brand:** gnc
**Price:** ₨4558
**Availability:** ✅ In Stock

## Summary

> 💥 Bulk smarter, not harder — clinically proven gains in every scoop!

## Quick Answers

- **What is this?** GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength, Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies & Cream, 13 Servings, 6 SVG by gnc
- **How much does it cost?** ₨4558 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/312170077-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder)

## Best For

- gnc enthusiasts

## Why This Product

- Trusted gnc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power-Packed Protein Punch:** 50g of high-quality protein fuels muscle growth and recovery with every scoop.
- • **Clean & Tested for Champions:** Screened against 220+ banned substances, ensuring safe, elite-level supplementation.
- • **Calorie-Rich Performance Fuel:** 780 calories per serving to supercharge your mass gain journey without extra meals.
- • **Clinically Proven Muscle Gains:** MyoTOR and BETAPOWER blend accelerates strength and stamina improvements in just 2 weeks.
- • **Delicious Cookies & Cream Flavor:** Indulge your taste buds while crushing your fitness goals—no chalky aftertaste here.

## Overview

GNC AMP Mass XXX is a scientifically formulated weight gainer delivering 780 calories and 50g of protein per serving, enhanced with MyoTOR, creatine, and betaine to boost muscle strength and endurance. Clinically tested for efficacy and purity, it supports faster mass and strength gains with a crave-worthy cookies & cream flavor, perfect for professionals serious about leveling up their fitness game.

## Description

Buy GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength, Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies & Cream, 13 Servings, 6 SVG on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Great supplement - This is a great way for me to start my day. Extra protein and carbs to kick off a fulfilled day of work. Taste good and goes down well with milk and helps me keep on weight
Review: Cheaper than the store - Works really well

## Features

- Clinically Proven Gainer: Mass XXX mass gainer combines high-quality protein powder, key nutrients, and science-backed innovations—including MyoTOR, creatine, and BETAPOWER—to fuel proven results and performance
- Increase Mass with 40% Fewer Sets: Delivers 50g of protein, including naturally occurring EAAs, plus carbs, and healthy fats—and it’s clinically proven to help get better results out of workouts
- Improve Muscle Strength in As Early as 2 Weeks: MyoTOR is clinically proven to accelerate improvements in strength with as little as 2 weeks of training and included in every serving of Mass XXX mass gainer
- Improve Stamina: Take resistance training to a new limit with MyoTOR’s clinically studied support for improved muscle endurance and BETAPOWER’s athletic performance benefits
- Banned Substance Tested: Product was tested and monitored for over 220 banned substances on the 2020 World Anti-Doping Agency (WADA) Prohibited list via LGC skip lot testing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B08XY8GNYK |
| Best Sellers Rank | #31,649 in Health & Household ( See Top 100 in Health & Household ) #22 in Sports Nutrition Weight Gainers |
| Customer Reviews | 4.6 4.6 out of 5 stars (542) |
| Date First Available  | April 22, 2021 |
| Item model number  | 123407 |
| Manufacturer  | GNC |
| Product Dimensions  | 1 x 8 x 10.42 inches; 6.79 Pounds |

## Product Details

- **Brand:** GNC
- **Flavor:** Cookies and Cream
- **Item Weight:** 6.8 Pounds
- **Product Benefits:** Supports overall health and wellness
- **Protein Source:** Whey

## Images

![GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength, Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies & Cream, 13 Servings, 6 SVG - Image 1](https://m.media-amazon.com/images/I/71wgmifiPsL.jpg)

## Questions & Answers

**Q: Does it help you gain weight  ?**
A: it helps a little.  cant rely on it. food helps more obviously.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great supplement
*by M***T on October 20, 2025*

This is a great way for me to start my day. Extra protein and carbs to kick off a fulfilled day of work. Taste good and goes down well with milk and helps me keep on weight

### ⭐⭐⭐⭐⭐ Cheaper than the store
*by E***N on November 5, 2025*

Works really well

### ⭐⭐⭐⭐⭐ It was very faster
*by T***I on October 31, 2025*

Good protein

## Frequently Bought Together

- GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies and Cream, 13 Servings, 6
- Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, 120 Servings, 600 Grams (Packaging May Vary)
- GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Strawberry, 13 Servings, 6 Pounds

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**Shop now:** [https://www.desertcart.sc/products/312170077-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder](https://www.desertcart.sc/products/312170077-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-28*