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Reflex Nutrition

Reflex Nutrition - Instant Mass Heavyweight Gainer

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What is Instant Mass® Heavyweight?

Instant Mass® Heavyweight is a protein shake designed specifically for hard gainers and athletes wanting a very high-quality source of protein and complex carbohydrates.

Each serving provides a huge 60g of protein, 219g carbs, and 1,160 calories in every shake. In order to provide such a huge dose of protein, Reflex Nutrition has created the Quattro® protein blend, which is four of the best types of whey protein together with micellar casein to provide a huge protein hit.

Instant Mass® Heavyweight delivers a blend of complex carbohydrates to provide your body with a serious source of fuel without simply adding sugars, corn syrups, or fructose. It also contains a massive 18 added vitamins and minerals to support your physical goals before, during and after training.

Who is it for?

Instant Mass Heavyweight has been created for hard gainers and athletes who train intensely but find it difficult to gain muscle and weight.

Hard gainers need a high-calorie, carb-heavy diet to boost their training, with a large protein hit to feed their muscles. Instant Mass® Heavyweight provides the calories, carbohydrates and protein hard gainers need to boost their training.

Instant Mass® Heavyweight is a vegetarian product, but it is not suitable for vegans, coeliacs, or anyone under the age of 16.

How To Use

Mix 300g (approximately two level 250ml measures (there is a scoop included in the tub)) with 700ml water in a shaker or blender. Consume one to two shakes a day.

When just starting the product, users may find it beneficial to begin with half the quantity before slowly increasing to the full serving, as per a personal calorie plan.

Consume Instant Mass® Heavyweight between meals to maintain a positive nitrogen balance, and drink 20-30 minutes after a workout for optimal results.

Alternatively, take Instant Mass® Heavyweight 45-60 minutes before bed to contribute to muscle maintenance overnight.

Typical Ingredients

Carbobiotics™ Carbohydrate Blend (61%) (Maltodextrin, Oat Flour, Trehalose), High Biological Value Protein Blend (16%) (Whey Protein Concentrate (Milk), Native Whey Protein Isolate (Milk), Milk Protein Concentrate, Egg White Protein Isolate, Hydrolysed Whey Proteins (Milk), Peptide-Bonded Glutamine (Wheat)), Creapure® Creatine Monohydrate, Cocoa Powder (5%) (Chocolate Varieties Only), Flavourings, Colour (Betanin (Strawberries & Cream Variety Only)), L-Glutamine, Magnesium Bisglycinate, Potassium Chloride (Choc-Peanut Butter Variety Only), L-Choline Bitartrate, Sweetener (Acesulfame K), L-Ascorbic Acid, Bacillus Coagulans (Lactospore®), Emulsifier (Soya Lecithin), Sweetener (Sucralose), Zinc Bisglycinate, Tocotrienol-Rich Annatto Seed Extract (Deltagold® - 35% Total Tocotrienols Of Which 84-92% Delta-Tocotrienols, 8-16% Gamma-Tocotrienols), Iron Bisglycinate, Nicotinamide, Copper Bisglycinate, Selenomethionine (Seleniumselect®), Piperine Extract (Bioperine®), Retinyl Acetate, D-Calcium Pantothenate, Cholecalciferol, Riboflavin, Thiamin Hydrochloride, Pyridoxine Hydrochloride, Colour (Beta Carotene (Vanilla Ice Cream Variety Only)), Chromium Picolinate, Pteroylmonoglutamic Acid, D-Biotin, Methylcobalamin, Anti-Caking Agent (Calcium Silicate).

ALLERGENS: See ingredients in Bold.

🌱 Suitable for Vegetarians.

Chocolate Perfection Cream

Nutrition Per 100g Per Serving (300g)
Energy (kJ) 1539 4618
Energy (kcal) 363 1089
Fat 1.9g 5.7g
- of which saturates 0.8g 2.3g
- of which mono-unsaturates 0.5g 1.5g
- of which polyunsaturates 0.6g 1.7g
Carbohydrate 65g 195g
- of which sugars 1.3g 4g
Fibre 3g 9g
Protein 20g 60g
Salt 0.25g 0.75g
Vitamin A 133µg RE 400µg RE
Vitamin D 2.5µg 7.5µg
Vitamin C 33mg 100mg
Thiamin 0.53mg 1.6mg
Riboflavin 0.53mg 1.6mg
Niacin 3mg NE 9mg NE
Vitamin B6 0.5mg 1.5mg
Folic Acid 33.3µg 100µg
Vitamin B12 0.4µg 1.2µg
Biotin 27µg 80µg
Pantothenic Acid 1mg 3mg
Zinc 2.5mg 7.5mg
Selenium 9µg 27µg
Chromium 17µg 50µg
Amino Acids 1.7mg 5mg
L-Glutamine 333mg 1000mg
Creapure® Creatine Monohydrate 1000mg 3000mg
Other Vitamins & Minerals 333mg 1000mg
Choline 33mg 100mg
DeltaGold® Tocotrienols 2.5mg 7.5mg
Iron 0.77mg 2.3mg
Magnesium 50mg 150mg
Absorption & Gut
BioPerine® Piperine 1.7mg 5mg
LactoSpore® Bacillus Coagulans 16666666 Spores 50000000 Spores


Chocolate Peanut Butter

Nutrition Per 100g Per Serving (300g)
Energy (kJ) 1539 4618
Energy (kcal) 363 1089
Fat 1.9g 5.7g
- of which saturates 0.8g 2.3g
- of which mono-unsaturates 0.5g 1.5g
- of which polyunsaturates 0.6g 1.7g
Carbohydrate 65g 195g
- of which sugars 1.3g 4g
Fibre 3g 9g
Protein 20g 60g
Salt 0.25g 0.75g
Vitamin A 133µg RE 400µg RE
Vitamin D 2.5µg 7.5µg
Vitamin C 33mg 100mg
Thiamin 0.53mg 1.6mg
Riboflavin 0.53mg 1.6mg
Niacin 3mg NE 9mg NE
Vitamin B6 0.5mg 1.5mg
Folic Acid 33.3µg 100µg
Vitamin B12 0.4µg 1.2µg
Biotin 27µg 80µg
Pantothenic Acid 1mg 3mg
Zinc 2.5mg 7.5mg
Selenium 9µg 27µg
Chromium 17µg 50µg
Amino Acids 1.7mg 5mg
L-Glutamine 333mg 1000mg
Creapure® Creatine Monohydrate 1000mg 3000mg
Other Vitamins & Minerals 333mg 1000mg
Choline 33mg 100mg
DeltaGold® Tocotrienols 2.5mg 7.5mg
Iron 0.77mg 2.3mg
Magnesium 50mg 150mg
Absorption & Gut
BioPerine® Piperine 1.7mg 5mg
LactoSpore® Bacillus Coagulans 16666666 Spores 50000000 Spores


Cookies & Cream

Nutrition Per 100g Per Serving (300g)
Energy (kJ) 1560 4679
Energy (kcal) 368 1103
Fat 1.5g 4.5g
- of which saturates 0.5g 1.5g
- of which mono-unsaturates 0.4g 1.1g
- of which polyunsaturates 0.6g 1.8g
Carbohydrate 68g 204g
- of which sugars 1.3g 4g
Fibre 1g 3g
Protein 20g 60g
Salt 0.22g 0.66g
Vitamin A 133µg RE 400µg RE
Vitamin D 2.5µg 7.5µg
Vitamin C 33mg 100mg
Thiamin 0.53mg 1.6mg
Riboflavin 0.53mg 1.6mg
Niacin 3mg NE 9mg NE
Vitamin B6 0.5mg 1.5mg
Folic Acid 33.3µg 100µg
Vitamin B12 0.4µg 1.2µg
Biotin 27µg 80µg
Pantothenic Acid 1mg 3mg
Zinc 2.5mg 7.5mg
Selenium 9µg 27µg
Chromium 17µg 50µg
Amino Acids 1.7mg 5mg
L-Glutamine 333mg 1000mg
Creapure® Creatine Monohydrate 1000mg 3000mg
Other Vitamins & Minerals 333mg 1000mg
Choline 33mg 100mg
DeltaGold® Tocotrienols 2.5mg 7.5mg
Iron 0.77mg 2.3mg
Magnesium 50mg 150mg
Absorption & Gut
BioPerine® Piperine 1.7mg 5mg
LactoSpore® Bacillus Coagulans 16666666 Spores 50000000 Spores


Strawberries & Cream

Nutrition Per 100g Per Serving (300g)
Energy (kJ) 1539 4616
Energy (kcal) 363 1088
Fat 1.4g 4.2g
- of which saturates 0.5g 1.4g
- of which mono-unsaturates 0.4g 1.1g
- of which polyunsaturates 0.6g 1.8g
Carbohydrate 67g 201g
- of which sugars 1.3g 4g
Fibre 1g 3g
Protein 20g 60g
Salt 0.22g 0.66g
Vitamin A 133µg RE 400µg RE
Vitamin D 2.5µg 7.5µg
Vitamin C 33mg 100mg
Thiamin 0.53mg 1.6mg
Riboflavin 0.53mg 1.6mg
Niacin 3mg NE 9mg NE
Vitamin B6 0.5mg 1.5mg
Folic Acid 33.3µg 100µg
Vitamin B12 0.4µg 1.2µg
Biotin 27µg 80µg
Pantothenic Acid 1mg 3mg
Zinc 2.5mg 7.5mg
Selenium 9µg 27µg
Chromium 17µg 50µg
Amino Acids 1.7mg 5mg
L-Glutamine 333mg 1000mg
Creapure® Creatine Monohydrate 1000mg 3000mg
Other Vitamins & Minerals 333mg 1000mg
Choline 33mg 100mg
DeltaGold® Tocotrienols 2.5mg 7.5mg
Iron 0.77mg 2.3mg
Magnesium 50mg 150mg
Absorption & Gut
BioPerine® Piperine 1.7mg 5mg
LactoSpore® Bacillus Coagulans 16666666 Spores 50000000 Spores


Vanilla Ice Cream

Nutrition Per 100g Per Serving (300g)
Energy (kJ) 1547 4640
Energy (kcal) 365 1094
Fat 1.5g 4.5g
- of which saturates 0.5g 1.5g
- of which mono-unsaturates 0.4g 1.1g
- of which polyunsaturates 0.6g 1.8g
Carbohydrate 67g 201g
- of which sugars 1.3g 4g
Fibre 1.5g 4.5g
Protein 20g 60g
Salt 0.25g 0.75g
Vitamin A 133µg RE 400µg RE
Vitamin D 2.5µg 7.5µg
Vitamin C 33mg 100mg
Thiamin 0.53mg 1.6mg
Riboflavin 0.53mg 1.6mg
Niacin 3mg NE 9mg NE
Vitamin B6 0.5mg 1.5mg
Folic Acid 33.3µg 100µg
Vitamin B12 0.4µg 1.2µg
Biotin 27µg 80µg
Pantothenic Acid 1mg 3mg
Zinc 2.5mg 7.5mg
Selenium 9µg 27µg
Chromium 17µg 50µg
Amino Acids 1.7mg 5mg
L-Glutamine 333mg 1000mg
Creapure® Creatine Monohydrate 1000mg 3000mg
Other Vitamins & Minerals 333mg 1000mg
Choline 33mg 100mg
DeltaGold® Tocotrienols 2.5mg 7.5mg
Iron 0.77mg 2.3mg
Magnesium 50mg 150mg
Absorption & Gut
BioPerine® Piperine 1.7mg 5mg
LactoSpore® Bacillus Coagulans 16666666 Spores 50000000 Spores

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