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Reflex Nutrition Instant Mass Heavyweight - 2.4kg - [EXP 04/20]

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

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 18 added vitamins and minerals to support your physical goals before, during and after training.

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

Hardgainers 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 hardgainers need to boost their training. It's also suitable for vegetarians.

Size: 2.4kg

Servings: 8

Serving size: 300g (2 Scoops)

Serving suggestion: 2 Scoops with water.

Ingredients: Carbobiotics complex [maltodextrin, oat flour, trehalose (trehalose is a source of glucose), protein blend [whey (milk) protein concentrate, whey (milk) protein isolate in native form (undenatured), milk protein concentrate, egg white protein isolate, whey (milk) protein hydrolyzed (degree of hydrolysis 30%), whey (milk) protein hydrolyzed (degree of hydrolysis of 4%)], glutamine peptides from wheat protein, creatine monohydrate (Creapure), fat free cocoa powder (only in flavours / variants: chocolate), natural & artificial flavors, colour: betanin (only in flavours / variants: strawberry & cream), L-glutamine, magnesium citrate, potassium chloride (only flavours / variants: choc peanut butter), L-Choline bitartrate, sweetener: acesulfame k, ascorbic acid (Vit.C), Bacillus coagulans (strain ATCC 7050 Lactospore), emulsifier: soy lecithin, sweetener: sucralose, zinc mono-L -methionine, DeltaGold [35% tocotrienols from Annatto - Bixa orellana seeds (84-92% delta-tocotrienol, 8-16% gamma-tocotrienol ), iron bisglycinate, nicotinamide (niacin), copper aspartate, selenomethionine (Selenium SELECT), black pepper extract (Piper nigrum) fruit dry extract (Bioperine), retinyl acetate (Vit), calcium D-pantothenate, cholecalciferol (Vit.D), riboflavin (Vit.B2), thiamine HCL (Vit.B1), pyridoxine HCL (Vit.B6), colour: beta-carotene (only in flavours / variants: vanilla ice cream), chromium picolinate, pteroylmonoglutamic acid (folic acid), D-Biotin, methylcobalamin (Vit.B12), anti-caking agent: calcium silicate.


Per 100g / 300g
Energy(kcal) 363kcal / 1089kcal
Fat 1.4g / 4.2g
Of which saturates 0.5g / 1.4g
Mono-unsaturates 0.4g / 1.1g
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 / 400μg
Vitamin D 2.5μg / 7.5μg
Vitamin C 33mg / 100mg
Thiamin 0.53mg / 1.6mg
Riboflavin 0.53mg / 1.6mg
Niacin 3mg / 9mg
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


All orders will be dispatched within 48 hrs of cleared payment excluding orders placed over the weekend. These orders will be dispatched first thing Monday. If for any reason there is a delay with your order you will be contacted straight away.


How long will my order take to be delivered

All deliveries will take a maximum of 3 to 5 working days but on most occassions we will try our best to get your order there much sooner where most of our deliveries are actually received the following working day however on busier periods may take up to the 3 working day.

To ensure all deliveries run smoothly and no extra charges occur for a missed delivery if you have not received your parcel within 7 days of ordering please call us so we can work together to ensure your parcel isn’t returned to us.

We use various carriers for shipping, these include- Royal Mail, Myhermes, UK Mail, DPD & UPS.

We offer free delivery on all orders above £75 otherwise there is a set charge of £3.95 per order.

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To arrange a return or report a problem with your order please call our customer service on 02037307317. Alternatively, you can email us on and we will be happy to help.

I have received a damaged item, what shall I do?

We want all of our customers to receive top quality goods so if you think there is a fault with an item you have received, please let us know as soon as you can by contacting Customer Services.

In some circumstances we may require an image of the damaged item in order for us to send a replacement or refund. Please do not dispose of the item before you are advised to do so by Customer Services.

I have received an incorrect item, what shall I do?

If you have received an incorrect item in your order, please let Customer Services know as soon as you can. Please provide Customer Services with the full description and the barcode of the incorrect item you have received.

I have an item missing from my delivery, what shall I do?

If you have received a short delivery, please contact Customer Services as soon as you can.

We may require an image of the packing you received your order in to help with our investigation.

Please be advised we need to be notified of any discrepancies within 48 hours of delivery.

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