--- product_id: 429215613 title: "Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb" brand: "syntrax" price: "€ 251.77" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.gr/products/429215613-syntrax-matrix-sustained-release-protein-powder-blend-milk-chocolate-5 store_origin: GR region: Greece --- # Sustained-release amino acids 23g protein per serving rBST-free, grass-fed whey Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb **Brand:** syntrax **Price:** € 251.77 **Availability:** ✅ In Stock ## Summary > 💥 Unlock sustained muscle power with every scoop! ## Quick Answers - **What is this?** Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb by syntrax - **How much does it cost?** € 251.77 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/429215613-syntrax-matrix-sustained-release-protein-powder-blend-milk-chocolate-5) ## Best For - syntrax enthusiasts ## Why This Product - Trusted syntrax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Low-Carb, Zero Sugar:** Stay lean and fit with a formula that supports your goals without the unwanted carbs or sugars. - • **Power-Packed 23g Protein:** Fuel your muscles with a potent multi-source protein blend designed for serious recovery and growth. - • **All-Day Amino Acid Release:** Experience continuous muscle support with a scientifically crafted sustained-release formula that keeps you fueled longer. - • **Clean, Premium Ingredients:** Enjoy peace of mind with rBST-free, grass-fed whey and undenatured micellar casein for top-tier nutrition. - • **Mixes Instantly, Tastes Delicious:** Savor the rich milk chocolate flavor that blends effortlessly—your new daily ritual for peak performance. ## Overview Syntrax Matrix Milk Chocolate Protein Powder is a 5 lb premium blend featuring 23g of multi-source protein per serving, including undenatured micellar casein, native egg white protein, and rBST-free grass-fed whey. Its advanced sustained-release formula delivers a steady stream of amino acids to optimize muscle recovery and growth throughout the day. With zero sugar and low carbs, it supports lean muscle development while mixing instantly into a delicious milk chocolate shake. Perfect for pre-, during, or post-workout nutrition, this 73-serving pouch is a trusted choice for fitness-focused professionals. ## Description Matrix is a sustained release protein blend that derives from ultrafiltered whey protein, ultrafiltered micellar casein, native egg white protein and glutamine peptides. Matrix is thoroughly instantized so that every scoop dissolves perfectly in your favorite beverage using only a spoon for vigorous stirring. Matrix is available in 11 amazing flavors! Review: High Quality, Good Taste, Easy Mix - Top quality Review: Love the taste! - Great taste! My go to for many years now. New packaging design. I’m a milk chocolate fan. I put some ice cubes in, water, half a scoop of protein, and half a banana to start my day. I finish it quickly! ## Features - Multi-Source Protein Complex: Features Undenatured Micellar Casein and Egg White Protein for comprehensive muscle recovery and growth - Sustained-Release Protein Blend: Advanced formula delivers a continuous stream of amino acids throughout the day for optimal muscle support - Premium Quality Ingredients: Contains rBST-Free, Grass-Fed Whey for superior protein nutrition and quality assurance - Low Carb Nutrition: Zero sugar and low carbohydrate content supports lean muscle development and fitness goals - Complete Protein Matrix: Combines ultrafiltered whey protein, micellar casein, native egg white protein, and glutamine peptides for comprehensive amino acid profile ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09Y2C33YM | | Age Range Description | Adult | | Allergen Information | Egg may contain, Milk may contain, Soy may contain, Wheat may contain | | Best Sellers Rank | #30,960 in Health & Household ( See Top 100 in Health & Household ) #169 in Sports Nutrition Whey Protein Powders | | Brand | Syntrax | | Brand Name | Syntrax | | Customer Reviews | 4.7 out of 5 stars 52 Reviews | | Diet Type | Halal, Kosher, Vegetarian | | Flavor | Milk Chocolate | | Global Trade Identification Number | 00810007540559 | | Item Dimensions | 9 x 6 x 14 inches | | Item Weight | 5 pounds | | Manufacturer | Si03, Inc. | | Manufacturer Part Number | SM5MC | | Material Type Free | rBST-Free | | Model Name | av2023-Syntrax-syntrax matrix native grassfed undenatured whey protein micellar casein and egg albumin with glutamine peptides-3f6731c2 | | Model Number | SM5MC | | Number of Items | 1 | | Package Type Name | Pouch | | Product Benefits | Consume Before, During, or After Workouts, Extra Protein, Muscle Growth, Muscle Recovery, Weight Management | | Protein | 23 g | | Protein Source | Blend | | Recommended Uses For Product | Pre-Workout | | Servings per Container | 73 | | Supplement Formulation | Multi-Supplement | | Total Servings Per Container | 73 | | UPC | 810007540559 | | Unit Count | 80 Ounce | ## Product Details - **Brand:** Syntrax - **Flavor:** Milk Chocolate - **Item Weight:** 5 Pounds - **Material Type Free:** rBST-Free - **Servings per Container:** 73 ## Images ![Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb - Image 1](https://m.media-amazon.com/images/I/71oyjYON0WL.jpg) ![Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb - Image 2](https://m.media-amazon.com/images/I/71sq8gX2UeL.jpg) ![Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb - Image 3](https://m.media-amazon.com/images/I/818yA9tIHlL.jpg) ![Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb - Image 4](https://m.media-amazon.com/images/I/71BbB+4MhpL.jpg) ![Syntrax Matrix Sustained‑Release Protein Powder Blend, Milk Chocolate 5 lb - Image 5](https://m.media-amazon.com/images/I/61Hne2XAwWL.jpg) ## Available Options This product comes in different **Flavor Name, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High Quality, Good Taste, Easy Mix *by R***T on June 1, 2026* Top quality ### ⭐⭐⭐⭐⭐ Love the taste! *by A***R on March 2, 2026* Great taste! My go to for many years now. New packaging design. I’m a milk chocolate fan. I put some ice cubes in, water, half a scoop of protein, and half a banana to start my day. I finish it quickly! ### ⭐⭐⭐⭐⭐ Good just mix it up good *by U***H on March 12, 2026* I like the macros and the taste is good not very chemically . You do have to mix pretty aggressively so don’t expect to use a spoon . Texture is fine when mixed properly. ## Frequently Bought Together - Syntrax Nutrition Matrix Protein Powder, Sustained-Release Protein Blend, Milk Chocolate, 5 lbs - Syntrax Matrix Whey Protein, Peanut Butter Cookie, 5 Pound --- ## 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.gr/products/429215613-syntrax-matrix-sustained-release-protein-powder-blend-milk-chocolate-5](https://www.desertcart.gr/products/429215613-syntrax-matrix-sustained-release-protein-powder-blend-milk-chocolate-5) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-15*