---
product_id: 510107700
title: "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"
brand: "gnc"
price: "168017CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/510107700-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder
store_origin: SN
region: Senegal
---

# Clinically proven strength boost 50g protein per serving 780 calories fuel 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

**Brand:** gnc
**Price:** 168017CFA
**Availability:** ✅ In Stock

## Summary

> 🚀 Bulk smarter, train harder, and own your gains!

## Quick Answers

- **What is this?** 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 by gnc
- **How much does it cost?** 168017CFA 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/510107700-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.
- • **Clinically Proven Performance:** MyoTOR and BETAPOWER blend accelerates strength and stamina gains in as little as 2 weeks.
- • **Calorie-Rich for Serious Gains:** 780 calories per serving to supercharge your mass-building journey without extra meals.
- • **Strawberry Flavor, Zero Compromise:** Delicious, easy-to-mix formula that fits seamlessly into your daily routine.

## Overview

AMP Mass XXX is a clinically proven weight gainer protein powder delivering 780 calories and 50g of protein per serving. Featuring advanced ingredients like MyoTOR, creatine, and BETAPOWER, it supports rapid strength, size, and stamina improvements while being rigorously tested for banned substances. Perfect for professionals seeking efficient, science-backed muscle growth.

## Description

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

## 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:** Strawberry
- **Servings per Container:** 13
- **Item Weight:** 6.7 Pounds
- **Product Benefits:** Supports overall health and wellness

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71TdYQc4LTL.jpg)

## Available Options

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

## Questions & Answers

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

## 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, 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, 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, Cookies and Cream, 13 Servings, 6

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**Shop now:** [https://www.desertcart.sn/products/510107700-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder](https://www.desertcart.sn/products/510107700-gnc-amp-mass-xxx-clinically-proven-weight-gainer-protein-powder)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-03*