--- product_id: 343962586 title: "Optimum Nutrition Serious Mass Protein Powder High Calorie Weight Gainer with Vitamins, Minerals, Creatine and Glutamine, Chocolate Peanut Butter Flavour, 16 Servings, 5,45 kg" brand: "optimum nutrition" price: "1714.36 DT" currency: TND in_stock: true reviews_count: 5 url: https://www.desertcart.tn/products/343962586-optimum-nutrition-serious-mass-protein-powder-high-calorie-weight-gainer store_origin: TN region: Tunisia --- # 3g creatine boost 50g protein/serving 1250+ calories/serving Optimum Nutrition Serious Mass Protein Powder High Calorie Weight Gainer with Vitamins, Minerals, Creatine and Glutamine, Chocolate Peanut Butter Flavour, 16 Servings, 5,45 kg **Brand:** optimum nutrition **Price:** 1714.36 DT **Availability:** ✅ In Stock ## Summary > 🚀 Bulk smarter, not harder with Serious Mass! ## Quick Answers - **What is this?** Optimum Nutrition Serious Mass Protein Powder High Calorie Weight Gainer with Vitamins, Minerals, Creatine and Glutamine, Chocolate Peanut Butter Flavour, 16 Servings, 5,45 kg by optimum nutrition - **How much does it cost?** 1714.36 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/343962586-optimum-nutrition-serious-mass-protein-powder-high-calorie-weight-gainer) ## Best For - optimum nutrition enthusiasts ## Why This Product - Trusted optimum nutrition brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Calorie Powerhouse:** Fuel your gains with a massive 1250+ calories per serving—because average just won’t cut it. - • **Clean & Nutrient-Rich:** No added sugar, less than 5g fat, plus 24 essential vitamins and minerals for holistic health. - • **Versatile & Delicious:** Instantised powder blends effortlessly—mix with fruit or nut butters for a crave-worthy, calorie-dense shake. - • **Muscle-Building Protein:** 50 grams of premium protein to support serious muscle growth and recovery. - • **Creatine-Enhanced Performance:** 3 grams of creatine per serving to amplify your high-intensity workouts. ## Overview Optimum Nutrition Serious Mass is a high-calorie weight gainer designed for adults aiming to bulk up efficiently. Each serving delivers over 1250 calories, 50g of protein, 3g creatine, and 24 vitamins and minerals, with no added sugar and minimal fat. Its instantised formula mixes easily and supports muscle growth, recovery, and enhanced workout performance, making it a top choice for serious fitness enthusiasts. ## Description The transformation is part of Optimum Nutrition mission to help active individuals better understand OPTIMUM NUTRITION products and how they support their goals. A Serious Mass new formula is now enriched with 3g Creatine per serving to support your performance*.Struggling to gain muscle mass? Serious Mass is a quality whey protein powder designed to support muscle building**. Help yourself bulk up! With a great range of flavours, the high-protein drink powder from Optimum Nutrition contains 1,260+ calories, 50 g of protein, 250 g+ of carbohydrates, 3 g of Creatine, Glutamine plus 24 vitamins and minerals per serving when mixed with water. It’s made with no added sugar and less than 5 g of fat per serving! Blend the quality protein with fruit or nut butters for extra calories and discover your optimum taste combination. Use after intense training and between meals. Serious Mass has the highest number of calories from Optimum Nutrition’s line of mass gainers. The instantised powder is available in 6 LB and 12 LB tubs. One serving contains two heaped scoops of powder.*Creatine increases physicalperformance in successivebursts of short-term, highintensity exercise. Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012**Protein contributes to agrowth and maintenance of muscle mass. Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012. Review: Good for price point.tastes good - Tstes good and works Review: Bon produit - BIEN ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Optimum Nutrition | | Diet type | Vegetarian | | Flavour | Chocolate Peanut Butter | | Item weight | 5.45 Kilograms | | Material type free | Sugar Free | | Servings per container | 16 | ## Product Details - **Brand:** Optimum Nutrition - **Flavour:** Chocolate Peanut Butter - **Item weight:** 5.45 Kilograms - **Material type free:** Sugar Free - **Servings per container:** 16 ## Images ![Optimum Nutrition Serious Mass Protein Powder High Calorie Weight Gainer with Vitamins, Minerals, Creatine and Glutamine, Chocolate Peanut Butter Flavour, 16 Servings, 5,45 kg - Image 1](https://m.media-amazon.com/images/I/71L6x8SDfjL.jpg) ## Available Options This product comes in different **Size, Flavor** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good for price point.tastes good *by V***Y on 12 May 2026* Tstes good and works ### ⭐⭐⭐⭐⭐ Bon produit *by C***E on 17 March 2026* BIEN ### ⭐⭐⭐⭐⭐ Sehr gut fürs Zunehmen *by J***O on 9 July 2025* Tolles Produkt hilft beim Muskelaufbau und Zunahme benutze es schon seit mehreren Jahren Geschmack war bei mir immer Schokolade hat mir immer gefallen ## Frequently Bought Together - Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate Peanut Butter, 16 Servings, 5.45 kg, Packaging May Vary - Optimum Nutrition Micronised Creatine Powder, 100% Pure Creatine Monohydrate Powder for Performance and Muscle Power, Unflavoured Shake, 186 Servings, 634 g - Warrior Protein Shaker Bottle, Includes Wire Mixball Blender – 600ml – Perfect for Mixing Powdered Shakes, Clear, BPA Free, Dishwasher Safe --- ## 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.tn/products/343962586-optimum-nutrition-serious-mass-protein-powder-high-calorie-weight-gainer](https://www.desertcart.tn/products/343962586-optimum-nutrition-serious-mass-protein-powder-high-calorie-weight-gainer) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-05*