--- product_id: 432295938 title: "One Stop Xtreme Serious Mass Protein Powder 55g Protein 10.3g BCAA'S, 73g Low GI Carbs 5,000mg Creatine & Added Vitamins (Vanilla Ice Cream, 4.35kg)" brand: "reflex nutrition" price: "€ 419.49" currency: EUR in_stock: true reviews_count: 5 category: "Reflex Nutrition" url: https://www.desertcart.hr/products/432295938-one-stop-xtreme-serious-mass-protein-powder-55g-protein-10 store_origin: HR region: Croatia --- # 5,000mg Creapure Creatine 73g Low GI Carbs blend 55g Protein per serving One Stop Xtreme Serious Mass Protein Powder 55g Protein 10.3g BCAA'S, 73g Low GI Carbs 5,000mg Creatine & Added Vitamins (Vanilla Ice Cream, 4.35kg) **Brand:** reflex nutrition **Price:** € 419.49 **Availability:** ✅ In Stock ## Summary > 🔥 Bulk smarter, recover faster, dominate every session 💥 ## Quick Answers - **What is this?** One Stop Xtreme Serious Mass Protein Powder 55g Protein 10.3g BCAA'S, 73g Low GI Carbs 5,000mg Creatine & Added Vitamins (Vanilla Ice Cream, 4.35kg) by reflex nutrition - **How much does it cost?** € 419.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/432295938-one-stop-xtreme-serious-mass-protein-powder-55g-protein-10) ## 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 - • **Sustained Energy Release:** 73g of low GI carbs to keep you powered through intense workouts. - • **Power-Packed Protein Punch:** 55g of premium protein fuels serious muscle growth and recovery. - • **Complete Performance Support:** Added vitamins & amino acids support immunity, testosterone, and protein synthesis. - • **Optimized Absorption Formula:** Digezyme enzymes & LAB2PRO probiotics maximize nutrient uptake. - • **Creatine-Infused Energy Boost:** 5,000mg of Creapure Creatine for explosive strength and endurance. ## Overview Reflex Nutrition One Stop Xtreme is a high-calorie, all-in-one protein powder delivering 55g protein, 10.3g BCAAs, 73g low GI carbs, and 5,000mg Creapure Creatine per serving. Enhanced with digestive enzymes, probiotics, essential amino acids, and vitamins, it supports muscle growth, recovery, and sustained energy for serious athletes and bodybuilders aiming for peak performance. ## 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. Review: War ok Review: I have used this product nearly 10 years now and provides everything needed to support nutritional demands of intense training and supplements my daily protein intake nicely. The powder mixes very well however I prefer to blend mine with frozen banana, strawberries or blueberries for more nutritional benefits and tastes even more amazing!!! Try it with milk or water or half/ half depends on how thick you like it ## Features - Item Category: Protein Supplement Powder - Item Trademark: Reflex Nutrition - manufacturer: Reflex Nutrition ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00UVSTGQU | | ASIN | B00UVSTGQU | | Age Range Description | Adult | | Best Sellers Rank | #50,505 in Grocery ( See Top 100 in Grocery ) #1,285 in Protein Drinks | | Brand Name | Reflex Nutrition | | Customer Reviews | 4.2 4.2 out of 5 stars (63) | | Customer reviews | 4.2 4.2 out of 5 stars (63) | | Diet Type | Halal | | Flavor | Vanilla | | Global Trade Identification Number | 05033579013091 | | Is Discontinued By Manufacturer | No | | Item Dimensions | 20.3 x 20.3 x 30.1 centimeters | | Item Weight | 4350 Grams | | Item model number | One Stop Xtreme | | Manufacturer | Reflex Nutrition | | Manufacturer | Reflex Nutrition | | Manufacturer Part Number | 100041435033 | | Material Type Free | GMO Free | | Model Number | One Stop Xtreme | | Number of Items | 1 | | Package Type Name | Bottle | | Product Benefits | Muscle Growth | | Product Dimensions | 20.3 x 20.3 x 30.1 cm; 4.35 kg | | Unit Count | 4350.00 Grams | ## Product Details - **Brand:** Reflex Nutrition - **Diet type:** Halal - **Flavour:** Vanilla - **Item weight:** 4350 Grams - **Material type free:** GMO Free ## Images ![One Stop Xtreme Serious Mass Protein Powder 55g Protein 10.3g BCAA'S, 73g Low GI Carbs 5,000mg Creatine & Added Vitamins (Vanilla Ice Cream, 4.35kg) - Image 1](https://m.media-amazon.com/images/I/71UkRjgj6xL.jpg) ## Customer Reviews ### ⭐⭐⭐ Review *by P***J on 17 February 2019* War ok ### ⭐⭐⭐⭐⭐ Review *by W***M on 19 June 2021* I have used this product nearly 10 years now and provides everything needed to support nutritional demands of intense training and supplements my daily protein intake nicely. The powder mixes very well however I prefer to blend mine with frozen banana, strawberries or blueberries for more nutritional benefits and tastes even more amazing!!! Try it with milk or water or half/ half depends on how thick you like it ### ⭐⭐⭐⭐ Review *by S***Y on 23 December 2023* I do love this product. It does what it says. Has a great taste too. I drink of this a day on top of my food is enough to put some weight on. I scored this 4/5 due to the product making you smell of milk. Strange I know but you can smell it on you / in you (I guess through your pores) for hours afterward. ## 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 (Vanilla Ice Cream, 4.35kg) - Vitabiotics Ultra Omega-3 Fish Oils Capsules with DHA EPA Nutritional Supplements for Heart Brain and Eye Vision --- ## 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.hr/products/432295938-one-stop-xtreme-serious-mass-protein-powder-55g-protein-10](https://www.desertcart.hr/products/432295938-one-stop-xtreme-serious-mass-protein-powder-55g-protein-10) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-13*