---
product_id: 162501449
title: "Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery"
brand: "myprotein"
price: "¥27124"
currency: JPY
in_stock: true
reviews_count: 5
category: "Myprotein"
url: https://www.desertcart.jp/products/162501449-myprotein-impact-whey-gainer-unflavoured-2-5-kg-25-servings
store_origin: JP
region: Japan
---

# 50g complex carbs 31g premium protein 388 calories per serving Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery

**Brand:** myprotein
**Price:** ¥27124
**Availability:** ✅ In Stock

## Summary

> 💥 Bulk smarter, recover faster, and own your gains!

## Quick Answers

- **What is this?** Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery by myprotein
- **How much does it cost?** ¥27124 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/162501449-myprotein-impact-whey-gainer-unflavoured-2-5-kg-25-servings)

## Best For

- myprotein enthusiasts

## Why This Product

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

## Key Features

- • **Clean & Quality Assured:** UK’s #1 protein brand, tested free from fillers and banned substances
- • **Athlete-Approved Formula:** Crafted with expert insights for trusted, results-driven nutrition
- • **Power-Packed Performance:** 388 calories fuel serious mass gain and muscle recovery
- • **Effortless Post-Workout Boost:** Mixes easily for a quick, calorie-dense shake anytime
- • **Precision Macronutrient Blend:** 31g whey protein + 50g complex carbs for lean bulking

## Overview

Myprotein Impact Whey Gainer is a high-calorie, unflavoured mass gainer delivering 31g of premium whey protein and 50g of complex carbs per serving, totaling 388 calories. Designed for serious muscle growth and recovery, it combines expert-formulated ingredients trusted by athletes, offering a clean, easy-to-mix shake from the UK’s leading protein brand.

## Description

Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery : desertcart.co.uk: Health & Personal Care

Review: Value for money - Very good
Review: Very good - Very good

## Features

- High-Calorie Mass Gainer – Each power-packed serving delivers 388 calories with 31 g of premium protein and 50 g of complex carbohydrates, perfect for serious mass gain, lean bulking, and muscle recovery after intense training.
- Balanced Macronutrient Formula – Expert mix of high-quality whey protein concentrate and blend of complex carbs (maltodextrin and oat flour), supporting muscle synthesis and restoring glycogen to fuel your next session.
- Trusted by Experts & Athletes – Designed with guidance from the Performance Advisory Board, blending science and athlete insight to deliver results-driven nutrition you can rely on.
- Convenient & Reliable Post-Workout Shake – Easy to prepare in a shaker or blender for use post-training, between meals, or any time you need an efficient, calorie-dense boost — ideal for daily use.
- Clean & Quality-Assured – From the UK's #1 protein brand, Myprotein ensures every batch is produced and tested to high standards—no banned substances and always free from fillers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00L7X3VFA |
| Age Range Description | Adult |
| Best Sellers Rank | 17,508 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 98 in Protein Nutrition Blends |
| Brand | Myprotein |
| Brand Name | Myprotein |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.3 out of 5 stars 18 Reviews |
| Flavour | Unflavoured |
| Item Dimensions | 6 x 18.8 x 11.5 centimetres |
| Item Weight | 1 Grams |
| Item weight | 1 Grams |
| Manufacturer | MyProtein |
| Manufacturer Part Number | 10529991 |
| Model Name | MyProtein Unflavoured Impact Weight Gainer - 2500g |
| Model Number | 10529991 |
| Number of Items | 1 |
| Number of items | 1 |
| Recommended Uses For Product | Post-Workout |
| Recommended uses for product | Post-Workout |
| Unit Count | 2500.0 gram |
| Unit count | 2500.0 gram |

## Product Details

- **Age range (description):** Adult
- **Brand:** Myprotein
- **Flavour:** Vanilla
- **Item dimensions L x W x H:** 26.5 x 12.5 x 39 centimetres
- **Item form:** Granule
- **Item weight:** 2.5 Kilograms
- **Package information:** Bag
- **Primary supplement type:** Protein
- **Product benefits:** Muscle Growth
- **Unit count:** 2500.0 Grams

## Images

![Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery - Image 1](https://m.media-amazon.com/images/I/61ZUgpvK3sL.jpg)
![Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery - Image 2](https://m.media-amazon.com/images/I/61q4hXzcF0L.jpg)
![Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery - Image 3](https://m.media-amazon.com/images/I/81XTf1+DXIL.jpg)
![Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery - Image 4](https://m.media-amazon.com/images/I/81lNLr7uMFL.jpg)
![Myprotein Impact Whey Gainer | Unflavoured - 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery - Image 5](https://m.media-amazon.com/images/I/71j-DByCgQL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Value for money
*by A***R on 29 October 2023*

Very good

### ⭐⭐⭐⭐ Very good
*by Y***I on 15 March 2025*

Very good

### ⭐⭐⭐⭐⭐ Good stuff
*by R***M on 25 September 2025*

Good for your bulking support

## Frequently Bought Together

- MYPROTEIN Impact Weight Gainer - Vanilla 2.5kg
- MyProtein | Creatine Monohydrate | Unflavored | Vegan Friendly | Maximum Strength | Power | Stamina | Endurance | 83 Servings 250 g

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**Shop now:** [https://www.desertcart.jp/products/162501449-myprotein-impact-whey-gainer-unflavoured-2-5-kg-25-servings](https://www.desertcart.jp/products/162501449-myprotein-impact-whey-gainer-unflavoured-2-5-kg-25-servings)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-09*