--- product_id: 712505215 title: "Reflex Instant Mass Heavyweight Mass Gainer, Chocolate Peanut Butter, 2kg" brand: "reflex nutrition" price: "R3462" currency: ZAR in_stock: true reviews_count: 8 category: "Reflex Nutrition" url: https://www.desertcart.co.za/products/712505215-reflex-instant-mass-heavyweight-mass-gainer-chocolate-peanut-butter-2kg store_origin: ZA region: South Africa --- # 1000+ kcal fuel boost 60g protein per serving 18 essential vitamins & minerals Reflex Instant Mass Heavyweight Mass Gainer, Chocolate Peanut Butter, 2kg **Brand:** reflex nutrition **Price:** R3462 **Availability:** ✅ In Stock ## Summary > 🏋️‍♂️ Fuel your gains, taste the victory! ## Quick Answers - **What is this?** Reflex Instant Mass Heavyweight Mass Gainer, Chocolate Peanut Butter, 2kg by reflex nutrition - **How much does it cost?** R3462 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/712505215-reflex-instant-mass-heavyweight-mass-gainer-chocolate-peanut-butter-2kg) ## 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 - • **Calorie Powerhouse:** Over 1000 kcal and 200g complex carbs to crush calorie deficits - • **Massive Muscle Fuel:** 60g premium whey protein from grass-fed cows powers serious gains - • **Precision Timing Formula:** Optimized for pre/post workout and overnight muscle maintenance to maximize results - • **Vitamin-Infused Recovery:** 18 vital vitamins & minerals plus creatine for next-level muscle repair - • **Irresistible Flavor Escape:** Decadent Chocolate Peanut Butter taste makes every shake a treat, not a chore ## Overview Reflex Instant Mass Heavyweight Mass Gainer is a 2kg premium protein shake mix designed for hard gainers and athletes seeking rapid muscle and weight gain. Each serving delivers 60g of high-quality whey protein, over 1000 kcal, 200g complex carbs, creatine, and 18 essential vitamins and minerals. Its rich Chocolate Peanut Butter flavor offers a delicious, creamy experience while supporting optimal recovery and muscle maintenance. Made with grass-fed whey and free from added sugars or artificial colors, it’s a trusted, halal-certified choice for serious muscle builders. ## Description Product Description 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, 200 g of complex carbohydrates, 60 g of muscle gain protein, critical EAAs, creatine, 18 vitamins and minerals (B12, B6, C, Iron, Zinc). Taste Sensation: the 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. Ingredients Maltodextrin, Glutamine Peptides (WHEAT), OAT Flour, Whey Protein Concentrate (MILK, Emulsifier (SOYA Lecithin)), Cocoa Powder, MILK Protein (of which 80% Micellar Casein, 20% Native Whey), Hydrolysed Whey Protein (MILK), Creatine Monohydrate (Creapure), Flavouring, 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). Directions mix 300 g (approximately five heaped 60ml measures) with 700 ml water in a suitable shaker cup or blender, mix until smooth. 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 up 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 typically provides 18 x 300 g servings. This product is sold by weight, not by number of servings Manufacturer Contact Information Reflex Nutrition, Sea View Way,Brighton,BN2 6NT,United Kingdom Review: Protein - Good stuff Review: Terrible value for what you get - Terrible value for money. 2kg tub has around 6 full servings much better cheaper alternatives. The tubs are allways 30% full at most its very disappointing. ## 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 a like - Excellent Nutrition Profile: packed with quality ingredients, each protein shake serving delivers over 1000 kcals, 200 g of complex carbohydrates, 60 g of muscle gain protein, critical EAAs, creatine, 18 vitamins and minerals (B12, B6, C, Iron, Zinc) - Taste Sensation: the Chocolate Peanut Butter 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F2FXR9LR | | Age Range Description | Adult | | Allergen Information | Contains: Gluten, Milk, Oat, Soy may contain, Wheat | | Benefits | Meal Replacement, Muscle Growth, Weight Gain | | Best Sellers Rank | 2,390 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 52 in Protein Supplements | | Brand | Reflex Nutrition | | Brand Name | Reflex Nutrition | | Customer Reviews | 3.8 out of 5 stars 29 Reviews | | Diet Type | Halal | | Diet type | Halal | | Flavour | Choc Peanut Butter | | Item Weight | 2 Kilograms | | Item weight | 2 Kilograms | | Manufacturer | Reflex Nutrition | | Manufacturer Contact Information | Reflex Nutrition, Sea View Way,Brighton,BN2 6NT,United Kingdom | | Manufacturer Part Number | 100076200026 | | Model Number | 100076200026 | | Net Content Volume | 2000 Millilitres | | Number of Items | 1 | | Package Type Name | Tub | | Product benefits | Meal Replacement, Muscle Growth, Weight Gain | | Protein | 60 g | | Protein Source | Whey | | Recommended Uses For Product | During Workout, Post-Workout, Pre-Workout | | Servings per container | 6 | | Supplement Formulation | Multi-Supplement | | Total Servings Per Container | 6 | | Unit Count | 2000.0 gram | ## Product Details - **Brand:** Reflex Nutrition - **Diet type:** Halal - **Flavour:** Choc Peanut Butter - **Item weight:** 2 Kilograms - **Number of items:** 1 - **Product benefits:** Meal Replacement, Muscle Growth, Weight Gain - **Protein source:** Whey - **Recommended uses for product:** During Workout, Post-Workout, Pre-Workout - **Servings per container:** 6 - **Unit count:** 2000.0 gram ## Images ![Reflex Instant Mass Heavyweight Mass Gainer, Chocolate Peanut Butter, 2kg - Image 1](https://m.media-amazon.com/images/I/71sNAZ90KbL.jpg) ## Available Options This product comes in different **Size, Flavor** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Protein *by I***S on 11 July 2026* Good stuff ### ⭐ Terrible value for what you get *by S***N on 26 August 2026* Terrible value for money. 2kg tub has around 6 full servings much better cheaper alternatives. The tubs are allways 30% full at most its very disappointing. ### ⭐⭐⭐⭐⭐ Great tasting product *by D***H on 12 December 2025* Love this taste, delivery was good. Will definitely buy again --- ## 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.co.za/products/712505215-reflex-instant-mass-heavyweight-mass-gainer-chocolate-peanut-butter-2kg](https://www.desertcart.co.za/products/712505215-reflex-instant-mass-heavyweight-mass-gainer-chocolate-peanut-butter-2kg) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-05*