---
product_id: 374547218
title: "Reflex One Stop Xtreme Mass Gainer, Salted Caramel, 4.35kg"
brand: "reflex nutrition"
price: "₩465978"
currency: KRW
in_stock: true
category: "Reflex Nutrition"
url: https://www.desertcart.kr/products/374547218-reflex-one-stop-xtreme-mass-gainer-salted-caramel-4-35kg
store_origin: KR
region: South Korea
---

# 5,000mg Creapure® Creatine Grass-fed whey & micellar casein 55g protein per serving Reflex One Stop Xtreme Mass Gainer, Salted Caramel, 4.35kg

**Brand:** reflex nutrition
**Price:** ₩465978
**Availability:** ✅ In Stock

## Summary

> 🔥 Bulk smarter, not harder with Reflex One Stop Xtreme!

## Quick Answers

- **What is this?** Reflex One Stop Xtreme Mass Gainer, Salted Caramel, 4.35kg by reflex nutrition
- **How much does it cost?** ₩465978 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/374547218-reflex-one-stop-xtreme-mass-gainer-salted-caramel-4-35kg)

## Best For

- reflex nutrition enthusiasts

## Why This Product

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

## Key Features

- • **Gut-Friendly Formula:** Digezyme® enzymes & LAB2PRO® probiotics optimize digestion and nutrient absorption.
- • **All-in-One Powerhouse:** Simplify your stack with one shake delivering protein, creatine, BCAAs & more.
- • **Muscle Growth Amplified:** 55g premium protein fuels serious gains and muscle maintenance.
- • **Endurance & Recovery Boost:** 5g Creapure® creatine plus Beta Alanine and Taurine for peak performance.
- • **Clean & Premium Ingredients:** Grass-fed whey, no added sugars, Halal certified, hormone-free for mindful nutrition.

## Overview

Reflex One Stop Xtreme Mass Gainer is a premium 4.35kg weight gain protein powder designed for serious athletes and bodybuilders. Each 145g serving packs 55g of high-quality protein from grass-fed whey and micellar casein, 5,000mg of Creapure® creatine, 10.3g BCAAs, and a blend of digestive enzymes and probiotics for optimal absorption. Enhanced with essential amino acids and vitamins, it supports muscle growth, endurance, recovery, and immune health. Halal certified, hormone-free, and free from added sugars, this salted caramel-flavored mass gainer simplifies supplementation with a clean, effective formula.

## Description

Product Description One Stop Xtreme is your one stop shop to extremely quality gains. Want all your protein supplements in one shake? Look no further. One Stop® Xtreme weight gain milkshake from Reflex Nutrition is the ultimate choice for serious athletes and bodybuilders seeking comprehensive nutritional support in a single high protein shake. This high calorie weight gain protein powder is not just a supplement; it's a powerhouse blend designed to fuel intense training sessions and facilitate muscle gains. Formulated to replace a multitude of individual supplements, this bulking protein powder offers an impressive profile of 55g of protein, 10.3g of BCAAs, a combination of 71g of high and low GI carbohydrates, and a substantial 5,000mg of premium Creapure® Creatine per 145g serving. This meticulously crafted blend supports muscle recovery and sustained energy, making it ideal for those looking to bulk up effectively and efficiently. In addition to its core macronutrients, One Stop® Xtreme mass protein powder is enriched with the Digezyme® digestive enzyme complex and LAB2PRO® friendly bacteria, ensuring optimal nutrient absorption. Essential amino acids like L-Leucine, Beta Alanine, Betaine Anhydrous, and Taurine enhance the formula, further aiding in muscle repair. The comprehensive vitamin and mineral matrix in One Stop® Xtreme plays a crucial role in maintaining normal protein synthesis, immune system function, and normal testosterone production - essential for peak physical performance. With its smooth texture and superior taste of the powder, One Stop® Xtreme is not only effective but also enjoyable to consume. Available in both 2.03kg tubs (protein powder 2kg with 14 servings) and larger 4.35kg tubs (with 30 servings), Reflex's high calorie weight gain protein powder is designed to fit the needs of serious users: whether you're preparing for a competition or looking to exceed your personal bests, One Stop® Xtreme is your go-to supplement for achieving formidable results. Ingredients Whey protein concentrate (30%) (MILK), maltodextrin, MILK protein (12%) of which (80% micellar casein, 20% native whey), OAT flour, BARLEY flour, glutamine peptides (WHEAT), creatine monohydrate Creapure, L-leucine, flavouring, betaine anhydrous, beta alanine, L-taurine, magnesium bisglycinate, sea salt, cocoa powder, potassium chloride, thickener (cellulose gum), L-choline bitartrate, sweeteners (sucralose, steviol glycosides), colour (carotenes), digestive enzyme complex DigeZyme (alpha-amylase, neutral protease, cellulase, lactase, lipase), vitamin C (L-ascorbic acid), zinc bisglycinate, tocotrienol-rich annatto seed extract DeltaGold, ferrous bisglycinate, vitamin B3 (nicotinamide), copper bisglycinate, selenomethionine, piperine BioPerine, protected lactic acid bacteria (Bifidobacterium bifidum, Lactobacillus acidophilus, Lactobacillus rhamnosus), vitamin A (retinyl acetate), vitamin B5 (calcium D-pantothenate), vitamin D3 (cholecalciferol), vitamin B6 (pyridoxine hydrochloride), vitamin B1 (thiamine hydrochloride), vitamin B2 (riboflavin), 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 Mix 145 g (approximately one level 250ml measure) with 600 ml water until powder has fully dissolved. Take a shake mid-morning between meals, and a second shake after your workout if required. Safety Warning This product is a food supplement and should be used in conjunction with food as part of a healthy and varied diet, not as a substitute for such. Recommended daily consumption is one to two 145 g servings 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. 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. Manufacturer Contact Information Reflex Nutrition, Sea View Way, Brighton, BN2 6NT, UK See more

## Features

- All-in-One Weight Gainer To Simplify Your Supplement Routine: One Stop Xtreme has been formulated to replace the use of numerous supplements, allowing you to take only one protein shake to support muscle growth alongside a balanced healthy diet
- High-performing Weight Gain Shake: One Stop Extreme high protein powder delivers a hit of protein, creatine, BCAAs and other beneficial nutrients to bodybuilders looking to make gains - contributing to the growth and maintenance of muscle mass
- Boosting Stregth and Endurance: Reflex mass gainer protein powder contains creatine, that increases physical performance in successive bursts of short-term, high intensity exercise - With LAB2PRO friendly bacteria and Digezyme digestive enzymes
- Nutritional Excellence: contains L-Leucine, Beta Alanine, Betaine Anhydrous and Taurine, along with essential vitamins and minerals aiding the maintenance of normal protein synthesis, function of the immune system and testosterone production
- Premium Ingredients: Reflex only uses whey protein sourced from grass-fed cows, ensuring a high-quality weight gain protein powder that mixes well, with a smooth texture and a delicious taste
- Produced in an Informed Sport Registered Facility: Suitable for vegetarians and Halal certified - Hormone-free, zero added sugars, artificial colors or soy protein, assuring a conscientious choice of food supplements for weight gain

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09JL91ZTJ |
| ASIN  | B09JL91ZTJ |
| Age Range Description | Adult |
| Allergen Information | Contains: Hazelnuts, Mustard, Wheat |
| Benefits | Muscle Growth |
| Best Sellers Rank | 15,540 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 156 in Protein Nutrition Blends |
| Brand Name | Reflex Nutrition |
| Country Of Origin | United Kingdom |
| Country of origin  | United Kingdom |
| Customer Reviews | 3.4 3.4 out of 5 stars (9) |
| Customer reviews | 3.4 3.4 out of 5 stars (9) |
| Diet Type | Halal |
| Flavour | Salted Caramel |
| Global Trade Identification Number | 05033579001890 |
| Guaranteed software updates until  | unknown |
| Item Highlight | All-in-One Mass Gainer with 55g Protein, 10.3g BCAAs and 5,000mg Creatine for Muscle Building. |
| Item Weight | 4350 Grams |
| Item model number  | REF131 |
| Manufacturer | Reflex Nutrition |
| Manufacturer  | Reflex Nutrition |
| Manufacturer Contact Information | Reflex Nutrition, Sea View Way, Brighton, BN2 6NT, UK |
| Manufacturer Part Number | 100041435020 |
| Model Name | Reflex Nutrition One Stop Xtreme |Serious Mass Protein Powder. |
| Model Number | REF131 |
| Net Content Volume | 4350 Millilitres |
| Number of Items | 1 |
| Package Dimensions  | 31.8 x 22.9 x 22.9 cm; 4.35 kg |
| Protein | 55 g |
| Protein Source | Casein, Whey |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 15 |
| Unit Count | 4350.0 gram |

## Product Details

- **Brand:** Reflex Nutrition
- **Diet type:** Halal
- **Flavour:** Salted Caramel
- **Item weight:** 4350 Grams
- **Number of items:** 1
- **Product benefits:** Muscle Growth
- **Protein:** 55 g
- **Protein source:** Casein, Whey
- **Servings per container:** 15
- **Unit count:** 4350.0 gram

## Images

![Reflex One Stop Xtreme Mass Gainer, Salted Caramel, 4.35kg - Image 1](https://m.media-amazon.com/images/I/71ZO0EfKkNL.jpg)

## Available Options

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

## Frequently Bought Together

- Reflex Nutrition One Stop® Xtreme - Serious Mass Gainer - All in One Protein Powder - 55g Protein, 10.3g BCAAs, 5,000mg Creatine - Muscle Building Protein Shake (Salted Caramel, 4.35kg)
- Reflex Nutrition Creapure® Creatine Monohydrate Powder Unflavoured - 100% Creatine for Strength, Muscle Gains & Recovery - No Fillers or Additives - 500g (Vegan Creatine 5g per Serving, 100 Servings)
- Reflex Nutrition Zinc Matrix - Magnesium, Zinc, Vitamin B6, Boron & Copper Supplement - Fatigue and Tiredness Supplements - Normal Muscle Function - Support Metabolism and Immune System (100 Capsules)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-10-22*