---
product_id: 51409963
title: "Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Strawberries & Cream, 5.4 kg)"
brand: "reflex"
price: "98976 Ft"
currency: HUF
in_stock: true
reviews_count: 10
category: "Reflex"
url: https://www.desertcart.hu/products/51409963-reflex-nutrition-instant-mass-heavyweight-mass-gainer-over-1000-kcal
store_origin: HU
region: Hungary
---

# 5g creatine for power 60g premium protein blend 1000+ kcal per serving Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Strawberries & Cream, 5.4 kg)

**Brand:** reflex
**Price:** 98976 Ft
**Availability:** ✅ In Stock

## Summary

> 🚀 Bulk smarter, recover faster, and taste the gains!

## Quick Answers

- **What is this?** Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Strawberries & Cream, 5.4 kg) by reflex
- **How much does it cost?** 98976 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/51409963-reflex-nutrition-instant-mass-heavyweight-mass-gainer-over-1000-kcal)

## Best For

- reflex enthusiasts

## Why This Product

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

## Key Features

- • **Massive Calorie Surge:** Fuel your gains with over 1000 kcal per shake—perfect for serious bulking.
- • **Quadruple Protein Power:** 60g of fast-absorbing & sustained-release proteins to maximize muscle growth and recovery.
- • **Vitamin & Mineral Boost:** 18 essential vitamins and minerals support overall health and training resilience.
- • **Creatine-Infused Performance:** 5g of Creapure creatine to boost explosive strength and endurance.
- • **Irresistible Strawberries & Cream:** Indulge in a creamy, crave-worthy flavor that makes every shake a treat, not a chore.

## Overview

Reflex Nutrition Instant Mass Heavyweight is a high-calorie mass gainer delivering 1121 kcal, 60g of a premium multi-source protein blend, and 5g of creatine per 300g serving. Designed for hard gainers and athletes, it supports muscle growth, recovery, and sustained energy with 200g complex carbs and 18 vitamins/minerals. The delicious Strawberries & Cream flavor ensures a smooth, enjoyable shake experience, made with grass-fed whey and free from added sugars or artificial colors. Perfect for post-workout or before bed to maximize muscle maintenance.

## Description

Product Description Reflex Nutrition’s Instant Mass Heavyweight protein powder is developed for hard gainers and athletes seeking a quality blend of proteins and complex carbohydrates. With over 1000 calories per shake, this bulking protein powder formula fuels your body with substantial quantities of macronutrients for building and maintaining muscle mass. Our protien blend combines four premium sources of whey protein with slow-releasing micellar casein, catering to both immediate and sustained amino acid delivery. The Whey Protein Concentrate is carefully processed to preserve its purity, while Hydrolysed Whey Protein is enzymatically treated for rapid absorption. Together with Native Whey, these form a full-spectrum protein assault that contributes effectively to muscle growth and recovery. Instant Mass Heavyweight bodybulding supplement is crafted with a multifaceted carbohydrate matrix. This intelligent carb blend sidesteps the pitfalls of simple sugars and syrups, opting instead for a sustained-release energy supply - It's the perfect partner for the long, intense workout sessions. Each serving of protein supplements is also power-packed with 18 added vitamins and minerals, amplifying the nutrition profile and supporting your body’s demands through all phases of training - whether you’re prepping, pushing through, or in post-workout recovery, Reflex's weight gain protein powder formula will help you achieve your goals. Incorporated into this mix is creatine powder, scientifically proven to increase physical performance in successive bursts of short-term, high-intensity exercise, ideal for those aiming to dominate in their sport. This high protein shake is available in two sizes to accommodate your training intensity and frequency (protein powder 2kg and protein powder 5.4kg). Choose your flavour from a variety including traditional favourites and exciting new taste profiles (vanilla protein powder, strawberry protein powder, chocolate protein powder and more). Ingredients Maltodextrin, Glutamine Peptides (WHEAT), OAT Flour, Whey Protein Concentrate (MILK, Emulsifier (SOYA Lecithin)), MILK Protein (of which 80 Percent Micellar Casein, 20 Percent Native Whey), Hydrolysed Whey Protein (MILK), Flavouring, Creatine Monohydrate (Creapure), Colour (Betanin), L-Glutamine, Magnesium Citrate, L-Choline Bitartrate, Vitamin C (L-Ascorbic Acid), Sweetener (Sucralose), Bacillus Coagulans (LactoSpore), Zinc Bisglycinate, Vitamin E (D-Alpha Tocopherol Acetate), Selenium Enriched Yeast, Ferrous Bisglycinate, Vitamin B3 (Nicotinamide), Copper Bisglycinate, Black Pepper Extract (BioPerine Piperine), Vitamin A (Retinyl Acetate), Vitamin B5 (Calcium D-Pantothenate), Vitamin D3 (Cholecalciferol), Vitamin B6 (Pyridoxine Hydrochloride), Vitamin B2 (Riboflavin), Vitamin B1 (Thiamine Hydrochloride), Chromium Picolinate, Vitamin B9 (Folic Acid), Vitamin B7 (D-Biotin), Vitamin B12 (Methylcobalamin). P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Directions For a full serving mix 300 g (approximately five heaped 60ml measures with 700 ml water in a suitable shaker cup or blender, mix until smooth. This product is intended for adults performing high-intensity exercise. When just starting with this product, you may find it beneficial to begin with half the quantity before slowly increasing to the full serving in order to make it fit into your personal calorie plan. Consume Instant Mass® Heavyweight between meals to maintain a positive nitrogen balance, or drink 20-30 minutes after a workout for optimal results. Alternatively, take Instant Mass® Heavyweight 45-60 minutes before bed to contribute to muscle maintenance overnight. Once mixed, consume the shake immediately and don't leave to stand. For a shake that is more calorie-heavy and creamier, try the product with semi-skimmed milk. Safety Warning This product is a food supplement and should be used in conjunction with food as part of a varied and balanced diet and healthy lifestyle, not as a substitute for such. Recommended consumption is one 300 g serving per day. Do not exceed the stated recommended daily dose. This product is not intended for use by persons under the age of 18. Keep out of reach of young children. The scoop included with this product measures by volume not by weight, for precise measurements please use measuring scales. This product is sold by weight, not by number of servings. This product has been manifactured in a facility which is routinely tested for banned substances. Protein contributes to the growth and maintenance of muscle mass. Creatine increases physical performance in successive bursts of short-term, high intensity exercise. The beneficial effect is obtained with a daily intake of 3 g of creatine. Box Contains 1 x Instant Mass Heavyweight - 5.4kg - Strawberries & Cream Manufacturer Contact Information Reflex Nutrition, Sea View Way, Brighton, BN2 6NT, UK See more

Review: Great product. - Not a food person in the morning so this works great. Good taste and mixes well. Not gritty, good value and feel much better after a few weeks. Can't comment on gym use as I don't go.
Review: Tasty, helps put on weight and mixes well - Husband loves this! He has purchased this 3 times now, uses it in between meals and on days where he’s out for work and doesn’t have time to grab something to eat. It’s been great for helping him put on weight. Really lovely flavour and mixes well with water or milk, unlike other reputable protein shakes that have a strange after taste and texture. The 5kg bag lasts a while, so definitely worth it and it comes in an easily resealable bag with a scoop. Only down side is the sugar content is very high! Also the recently price went up, which is a shame as had bought it around £28 couple months ago.

## Features

- Engineered for Gains: This seamless protein shake mix is specifically formulated to accelerate muscle and weight gains and improve post-workout recovery, enhancing overall workout performance for the dedicated, hard gainer and serious athlete alike
- Excellent Nutrition Profile: Packed with quality ingredients, each protein shake serving delivers over 1000 kcals, 200g of complex carbohydrates, 60g of muscle gain protein, critical EAAs, creatine, 18 vitamins and minerals (B12, B6, C, Iron, Zinc)
- Outstanding Taste Sensation: Our Strawberries and Cream mass gainer flavour isn't just a treat for your taste buds - it's a deliciously creamy escape into indulgence with every sip, all while you are fueling your body for mass gain and muscle recovery
- Optimal Timing for Maximum Impact: Consume Instant Mass Heavyweight high protein shake between meals for a positive nitrogen balance, 20-30 minutes post workout for best results or 45-60 minutes before sleep to aid overnight muscle maintenance
- Trusted Quality Assurance: Reflex Nutrition's promise to quality means whey protein powder from grass-fed cows - Protein Sources are Glutamine Peptides, Whey Protein Concentrate, Milk Protein, Hydrolysed Whey Protein
- Produced in an Informed Sport Registered Facility - Suitable for vegetarians and Halal certified - Zero added sugars, artificial colors, or soy protein, assuring a conscientious choice of weight gainer for your muscle-building objectives

## Technical Specifications

| Specification | Value |
|---------------|-------|
| - Saturates | 1.9 g |
| - Sugars | 15 g |
| ASIN | B00KAAM2U6 |
| ASIN  | B00KAAM2U6 |
| Age Range Description | Adult |
| Allergen Information | Contains: Egg may contain, Milk, Oat, Soy, Wheat |
| Best Sellers Rank | 1,138 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 36 in Whey Nutrition Protein |
| Brand | Reflex |
| Carbohydrate | 203 g |
| Country of origin | United Kingdom |
| Country of origin  | United Kingdom |
| Customer Reviews | 4.0 4.0 out of 5 stars (1,875) |
| Customer reviews | 4.0 4.0 out of 5 stars (1,875) |
| Date First Available | 12 May 2014 |
| Energy (kcal) | 1121.00 kcal |
| Fat | 7.2 g |
| Fibre | 2.1 g |
| Format | Powder |
| Is discontinued by manufacturer  | No |
| Item model number  | Instant Mass Heavyweight Protein |
| Manufacturer  | Reflex Nutrition |
| Manufacturer contact | Reflex Nutrition, Sea View Way, Brighton, BN2 6NT, UK |
| Product Dimensions  | 39 x 14 x 52 cm; 5.4 kg |
| Product Name | Reflex Instant Mass Heavyweight 5.4 Kg 18 Servings (Strawberries & Cream) |
| Protein | 60 g |
| Serving Size | 300 g |
| Units | 5400.0 Grams |
| Weight | 5.4 Kilograms |

## Product Details

- **Brand:** Reflex
- **Diet type:** Halal
- **Flavour:** Strawberry
- **Item weight:** 5400 Grams
- **Material Type Free:** Caffeine Free, GMO Free
- **Number of items:** 1
- **Product benefits:** Muscle Growth
- **Protein source:** Whey
- **Recommended uses for product:** Post-Workout
- **Unit count:** 5400.0 Grams

## Images

![Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Strawberries & Cream, 5.4 kg) - Image 1](https://m.media-amazon.com/images/I/713pBZvr2KL.jpg)

## Available Options

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

## Questions & Answers

**Q: Why isnt the nutritional info shown?!**
A: The company sent me only half my order on multiple occasions and the wrong flavour. The fact that the nutritional info isnton there is no surprise

**Q: how well does this mix in an ordinary shaker? i know some are clumpy and chalky tasting, thank you**
A: Hi I would recommend blend for 7 seconds if that.
If you have a good shaker and give it a good shake it will be just as smooth great mix chocolate for me taste wonderful

**Q: Has it got any. Bcaa,s pls**
A: Finished it a long time ago so don’t have the package. But i checked the photos and googled the BCAA’s and based on this, the product doesn’t have any of the 9 essential amino acids aka BCAA. So it’s a No and you’ll have to buy it separately.

**Q: Must I work out to use this?**
A: I won't buy this again as found the taste not to my liking at all as for working out I would as I belive this will help you gain weight but mostly on the stomach if you don't work out

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product.
*by C***S on 19 February 2026*

Not a food person in the morning so this works great. Good taste and mixes well. Not gritty, good value and feel much better after a few weeks. Can't comment on gym use as I don't go.

### ⭐⭐⭐⭐⭐ Tasty, helps put on weight and mixes well
*by S***M on 23 January 2026*

Husband loves this! He has purchased this 3 times now, uses it in between meals and on days where he’s out for work and doesn’t have time to grab something to eat. It’s been great for helping him put on weight. Really lovely flavour and mixes well with water or milk, unlike other reputable protein shakes that have a strange after taste and texture. The 5kg bag lasts a while, so definitely worth it and it comes in an easily resealable bag with a scoop. Only down side is the sugar content is very high! Also the recently price went up, which is a shame as had bought it around £28 couple months ago.

### ⭐⭐⭐⭐ Decent stuff
*by B***N on 4 January 2024*

Just starting off at the gym again trying to bulk and this definitely has helped, it's impossible to get a full serving into one shaker so I have to do it in 2. This isn't a milkshake from your local restaurant so don't expect it to be tasting like so. Taste isn't the greatest but definitely isn't the worst. But I'm not using it for taste so it is what it is. I've put on around 8/9lbs since using it over the past couple months (had a period where I stopped using it) if new to this then start off with half the full serving for the first week as going all in with a full one can cause stomach problems (bloating, wind, nausea etc) im taking along side cyclone, at different intervals, obviously, and also only using cyclone every other day. It's not no miracle shake, so don't expect unrealistic results, eating a full breakfast, lunch, dinner and snacks in between then this and hour or so before bed has worked for me. Can't really say if it works for performance as I'm still figuring that out myself. Will update once I know more but so far so good.

## Frequently Bought Together

- Reflex Nutrition 5.4kg Strawberries & Cream Instant Mass Heavyweight
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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-16*