---
product_id: 306749192
title: "AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds"
brand: "gnc"
price: "87106 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/306749192-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder-improves
store_origin: HU
region: Hungary
---

# 50g protein per serving 780 calories fuel MyoTOR & BETAPOWER tech AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds

**Brand:** gnc
**Price:** 87106 Ft
**Availability:** ✅ In Stock

## Summary

> 🚀 Bulk smarter, lift stronger, and own your gains!

## Quick Answers

- **What is this?** AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds by gnc
- **How much does it cost?** 87106 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/306749192-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder-improves)

## 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 Nutrition:** 780 calories and 50g of high-quality protein fuel serious mass with fewer sets.
- • **Clean & Trusted Formula:** Banned substance tested to keep your gains legit and competition-ready.
- • **Complete Recovery Support:** Micronized amino acids and creatine optimize muscle repair and growth.
- • **Enhanced Workout Endurance:** Boost stamina and muscle endurance to push past your limits every session.
- • **Clinically Proven Muscle Growth:** Science-backed MyoTOR and BETAPOWER accelerate strength and size gains in just 2 weeks.

## Overview

GNC AMP Mass XXX is a clinically proven weight gainer delivering 780 calories and 50g of protein per serving, enhanced with MyoTOR and BETAPOWER to accelerate muscle strength, size, and endurance. Tested against 220+ banned substances, it supports serious mass gain and recovery in just 13 servings.

## Description

GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds

## 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

## Product Details

- **Brand:** GNC
- **Flavor:** Vanilla
- **Item Weight:** 6.7 Pounds
- **Product Benefits:** Supports overall health and wellness by providing essential nutrients and targeted ingredients for daily vitality and specific health needs.
- **Protein Source:** Casein, Soy, Whey

## Images

![AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds - Image 1](https://m.media-amazon.com/images/I/71Omq3k6C+L.jpg)

## Available Options

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

## 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, Vanilla, 13 Servings, 6 Pounds
- 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
- GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Chocolate, 13 Servings, 6 Pounds

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hu/products/306749192-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder-improves](https://www.desertcart.hu/products/306749192-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder-improves)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-22*