{"product_id":"instant-mass-heavyweight","title":"Instant Mass Heavyweight","description":"\u003ch2\u003eAbout Instant Mass Heavyweight by Reflex Nutrition\u003c\/h2\u003e\u003cp\u003eInstant Mass Heavyweight is Reflex Nutrition's premium weight gainer and mass building supplement, specifically designed for hardgainers and athletes who struggle to consume enough calories through food alone. Each 300g serving delivers 1,104–1,121 kcal, 60g of protein, and 203g of carbohydrates — making it one of the most comprehensive mass gainers on the market.\u003c\/p\u003e\u003cp\u003eFormulated with a high-quality multi-source protein blend including Whey Protein Concentrate, Micellar Casein, Native Whey, and Hydrolysed Whey Protein, Instant Mass Heavyweight supports both immediate and sustained amino acid delivery. It also contains Creapure® Creatine Monohydrate, L-Glutamine, L-Choline, BioPerine® Piperine, and LactoSpore® Bacillus Coagulans — a premium probiotic strain — along with a full spectrum of 13 vitamins and 6 minerals.\u003c\/p\u003e\u003cp\u003eThis product has been manufactured in a facility which is routinely tested for banned substances.\u003c\/p\u003e\u003ch2\u003eSupplement Facts\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eServing Size:\u003c\/strong\u003e 2 scoops (300g)\u003cbr\u003e\u003cstrong\u003eServings Per Container:\u003c\/strong\u003e 6\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAmount Per Serving (approx.):\u003c\/strong\u003e\u003cbr\u003eEnergy — 1,104–1,121 kcal\u003cbr\u003eFat — 5.3–7.2g (of which saturates 1.9g)\u003cbr\u003eCarbohydrate — 203g (of which sugars 14–15g)\u003cbr\u003eFibre — 2.1g\u003cbr\u003eProtein — 60g\u003cbr\u003eSalt — 0.30–2.30g\u003cbr\u003eVitamin A — 400µg (50% NRV)\u003cbr\u003eVitamin D3 — 7.50µg (150% NRV)\u003cbr\u003eVitamin E — 6mg (50% NRV)\u003cbr\u003eVitamin C — 100mg (125% NRV)\u003cbr\u003eVitamin B1 — 1.10mg (100% NRV)\u003cbr\u003eVitamin B2 — 1.40mg (100% NRV)\u003cbr\u003eNiacin — 8mg (50% NRV)\u003cbr\u003eVitamin B6 — 1.40mg (100% NRV)\u003cbr\u003eFolic Acid — 100µg (50% NRV)\u003cbr\u003eVitamin B12 — 1.20µg (48% NRV)\u003cbr\u003eBiotin — 75µg (150% NRV)\u003cbr\u003ePantothenic Acid — 3mg (50% NRV)\u003cbr\u003eMagnesium — 150mg (40% NRV)\u003cbr\u003eIron — 2.10mg (15% NRV)\u003cbr\u003eZinc — 7.50mg (75% NRV)\u003cbr\u003eSelenium — 27µg (49% NRV)\u003cbr\u003eChromium — 50µg (125% NRV)\u003cbr\u003eCreapure® Creatine Monohydrate — 3g\u003cbr\u003eL-Glutamine — 1g\u003cbr\u003eL-Choline — 100mg\u003cbr\u003eBioPerine® Piperine — 5mg\u003cbr\u003eLactoSpore® Bacillus Coagulans — 50 million spores\u003c\/p\u003e\u003ch2\u003eIngredients\u003c\/h2\u003e\u003cp\u003eMaltodextrin, Glutamine Peptides (\u003cstrong\u003eWheat\u003c\/strong\u003e), OAT Flour, Whey Protein Concentrate (\u003cstrong\u003eMilk\u003c\/strong\u003e, Emulsifier (\u003cstrong\u003eSoya\u003c\/strong\u003e Lecithin)), \u003cstrong\u003eMilk\u003c\/strong\u003e Protein (of which 80% Micellar Casein, 20% Native Whey), Hydrolysed Whey Protein (\u003cstrong\u003eMilk\u003c\/strong\u003e), Flavouring, Creatine Monohydrate (Creapure®), Sodium Chloride, Cocoa Powder, Potassium Chloride, L-Glutamine, Magnesium Citrate, L-Choline Bitartrate, Colour, Sweetener (Sucralose), Vitamin C (L-Ascorbic Acid), Zinc Bisglycinate, Vitamin E (D-Alpha Tocopherol Acetate), Selenium Enriched Yeast, Ferrous Bisglycinate, Bacillus Coagulans (LactoSpore®), 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).\u003c\/p\u003e\u003ch2\u003eAllergens\u003c\/h2\u003e\u003cp\u003eContains: \u003cstrong\u003eWheat (Gluten), Milk, Soya.\u003c\/strong\u003e\u003cbr\u003eNo other allergens declared. Manufactured in a facility routinely tested for banned substances.\u003c\/p\u003e\u003ch2\u003eRecommended Use\u003c\/h2\u003e\u003cp\u003eFor a full serving, mix 300g (approximately two level 250ml measures) with 700ml water in a shaker cup or blender until smooth. New users may find it easier to start with a half serving and then slowly increase to one or more full servings per day as required by your calorie intake plan. Do not exceed two 300g servings per day.\u003c\/p\u003e\u003ch2\u003eWarnings\u003c\/h2\u003e\u003cp\u003eThis 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 consumption is up to two 300g servings per day. Do not exceed the stated recommended daily dose. Not intended for use by persons under the age of 18. Keep out of reach of young children. The scoop included measures by volume not by weight — for precise measurements please use measuring scales. This product is sold by weight, not by number of servings. Store in a cool, dry place.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United Kingdom\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Reflex Nutrition\u003c\/p\u003e","brand":"Reflex Nutrition","offers":[{"title":"Blueberry \/ 2000 grams","offer_id":54779731378517,"sku":"P51223","price":33.99,"currency_code":"GBP","in_stock":false},{"title":"Chocolate Peanut Butter \/ 2000 grams","offer_id":54779731411285,"sku":"P50598","price":38.99,"currency_code":"GBP","in_stock":false},{"title":"Chocolate Perfection \/ 2000 grams","offer_id":54779731444053,"sku":"P33746","price":38.99,"currency_code":"GBP","in_stock":false},{"title":"Salted Caramel \/ 2000 grams","offer_id":54779731476821,"sku":"P50597","price":33.99,"currency_code":"GBP","in_stock":false},{"title":"Strawberries \u0026 Cream \/ 2000 grams","offer_id":54779731509589,"sku":"P33747","price":33.99,"currency_code":"GBP","in_stock":true},{"title":"Vanilla Ice Cream \/ 2000 grams","offer_id":54779731542357,"sku":"P50599","price":33.99,"currency_code":"GBP","in_stock":false},{"title":"Chocolate Perfection \/ 5400 grams","offer_id":54779731575125,"sku":"P33745","price":70.99,"currency_code":"GBP","in_stock":true},{"title":"Strawberries \u0026 Cream \/ 5400 grams","offer_id":54779731607893,"sku":"P33742","price":80.99,"currency_code":"GBP","in_stock":true},{"title":"Vanilla Ice Cream \/ 5400 grams","offer_id":54779731640661,"sku":"P33744","price":80.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1058\/0521\/8133\/files\/image_2025-06-24_685a63bcee9f6.jpg?v=1787945386","url":"https:\/\/amvibe.co.uk\/products\/instant-mass-heavyweight","provider":"AM Vibe","version":"1.0","type":"link"}