MYGPTRENDINGCOLLAGEN
myGP

Join myGP family

The myGP app offers convenient access to medical services and tools for managing your health and care responsibilities.

Help & support

  • Learn
  • FAQs
  • Feedback
  • Contact us

Company

  • News
  • Newsletter
  • About us

App Features

  • Book appointments
  • Manage prescriptions
  • Online medical records
  • Track your health
  • Health marketplace

Customer Service

  • Delivery Information
  • Store Privacy Statement
  • Refunds & Returns
  • Terms of Sale
  • Website Terms of Use
  • Help and Support

Download myGP application

Download on the App StoreGet it on Google Play
OR

Follow us on social media

© 2026 myGP. All rights reserved.

  • Cookie policy
  • myGP Privacy policy
  • Accessibility Statement
  • myGP Terms & Conditions
  • App Privacy policy
  1. Home
  2. Sport Nutrition
  3. Mass Gainers
  4. Reflex Nutrition, Instant Mass Heavyweight (5.4kg, Powder)
Reduced price
Instant Mass Heavyweight, Strawberries & Cream - 5400 grams
Link copied
Nourish

Customer Reviews

0.0

Based on 0 reviews

5
0
4
0
3
0
2
0
1
0

Be the First to Review

Tried this product? Share your experience and help other customers make the right choice.

FEATURES

Related Products

  • Instant Mass Heavyweight, Strawberries & Cream - 2000 gramsInstant Mass Heavyweight, Strawberries & Cream - 2000 gramsReduced price

    Reflex Nutrition, Instant Mass Heavyweight (2kg, Powder)

    Was £31.99Now £24.00
  • Instant Mass Heavyweight, Vanilla Ice Cream - 5400 gramsInstant Mass Heavyweight, Vanilla Ice Cream - 5400 gramsReduced price

    Reflex Nutrition, Instant Mass Heavyweight Vanilla (5400g)

    Was £66.89Now £50.17
  • Instant Mass Heavyweight, Chocolate Perfection - 5400 gramsInstant Mass Heavyweight, Chocolate Perfection - 5400 gramsReduced price

    Reflex Nutrition, Instant Mass Heavyweight (5400g, Powder)

    Was £66.59Now £49.95
  • Instant Oats, Cookies & Cream - 1000 gramsInstant Oats, Cookies & Cream - 1000 gramsReduced price

    BioTechUSA, Instant Oats Cookies & Cream (1000g, Powder)

    Was £8.69Now £6.52
  • High Protein Shake, Strawberries & Cream - 8 x 330 ml.Reduced price

    Applied Nutrition, High Protein Shake (20g Protein, Liquid)

    Was £19.79Now £14.85
  • Mutant Mass, Cookies & Cream - 6800 gramsMutant Mass, Cookies & Cream - 6800 gramsReduced price

    Mutant, Mutant Mass Cookies & Cream (6800g, Powder)

    Was £95.69Now £71.77
  • Hyper Mass, Cookies & Cream - 1000 gramsReduced price

    BioTechUSA, Hyper Mass Cookies & Cream (1000g, Powder)

    Was £21.89Now £16.42
  • Hyper Mass, Cookies & Cream - 2270 gramsReduced price

    BioTechUSA, Hyper Mass Cookies & Cream (2270g, Powder)

    Was £44.89Now £33.67
  • Mutant Mass, Cookies & Cream - 2270 gramsMutant Mass, Cookies & Cream - 2270 gramsReduced price

    Mutant, Mutant Mass Cookies And Cream (2270g, Powder)

    Was £36.59Now £27.45
  • High Protein Shake, Strawberries & Cream (EAN 05056555200490) - 8 x 500 ml.Reduced price

    Applied Nutrition, High Protein Shake Strawberries (42g, 8x500ml)

    Was £27.69Now £20.77
  • Game Changer Mass, Cookies & Cream - 3000 gramsReduced price

    Dorian Yates, Game Changer Mass Cookies And Cream (3000g, Powder)

    Was £46.99Now £35.25
  • Metabolic Mass Gainer, Cookies & Cream - 6000 gramsMetabolic Mass Gainer, Cookies & Cream - 6000 gramsReduced price

    Dorian Yates, Metabolic Mass Gainer Cookies Cream (6000g, Powder)

    Was £69.99Now £52.50

Reflex Nutrition, Instant Mass Heavyweight (5.4kg, Powder)

By Reflex Nutrition

EAN5033579001388
0.0|No Review

Instant Mass Heavyweight is a strawberry and cream powder shake for hardgainers and athletes seeking support for weight gain and intense training. It combines protein, complex carbohydrates, Creapure creatine, L-glutamine and 18 vitamins and minerals, providing a substantial calorie and nutrient source.

Was £66.99
Now £50.25Reduced price

18 servings

Select Variant *

1

Only 5 left in stock!

Was £66.99Now £50.25
Only 5 left!
Instant Mass Heavyweight, Strawberries & Cream - 5400 grams

Reflex Nutrition, Instant Mass Heavyweight (5.4kg, Powder)

1
Was £66.99Now £50.25

Royal Mail Tracked 48

  • • Orders 0-2kg — £3.90

DPD 48-72 (UK Mainland)

  • • Orders 0-2kg — £5.70
  • • Orders 2-20kg — £6.20

For full details, check our Delivery Help & Returns page.

You may also like

  • Instant Mass Heavyweight, Strawberries & Cream - 2000 grams

    Reflex Nutrition, Instant Mass Heavyweight (2kg, Powder)

    Was £31.99

    Now £24.00

  • Instant Mass Heavyweight, Vanilla Ice Cream - 5400 grams

    Reflex Nutrition, Instant Mass Heavyweight Vanilla (5400g)

    Was £66.89

    Now £50.17

  • Instant Mass Heavyweight, Chocolate Perfection - 5400 grams

    Reflex Nutrition, Instant Mass Heavyweight (5400g, Powder)

    Was £66.59

    Now £49.95

  • Instant Oats, Cookies & Cream - 1000 grams

    BioTechUSA, Instant Oats Cookies & Cream (1000g, Powder)

    Was £8.69

    Now £6.52

  • High Protein Shake, Strawberries & Cream - 8 x 330 ml.

    Applied Nutrition, High Protein Shake (20g Protein, Liquid)

    Was £19.79

    Now £14.85

  • Mutant Mass, Cookies & Cream - 6800 grams

    Mutant, Mutant Mass Cookies & Cream (6800g, Powder)

    Was £95.69

    Now £71.77

  • Strawberries & Cream flavour
  • 5400 g pack
  • 60 g protein and 219 g carbohydrate per 300 g serving
  • Includes 3,000 mg Creapure Creatine Monohydrate and 1,000 mg L-Glutamine per serving
  • Contains vitamins and minerals, including vitamins A, D3 and C, B vitamins, zinc, selenium, chromium, iron and magnesium

A high-calorie protein and carbohydrate powder for hardgainers and athletes who find it difficult to gain weight. Each 300 g serving provides 60 g protein, 219 g carbohydrate and 3,000 mg Creapure Creatine Monohydrate, alongside vitamins and minerals.

For a full serving mix 300 g (approximately two level 250 ml measures) with 700 ml water in a suitable shaker cup or blender, mix until smooth. New users of this product 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.

Serving size: 2 Scoops (300g) — Servings per container: 18

  • Energy1kcal
  • Fat4.8g
  • of which saturates1.8g
  • Mono-unsaturates1.1g
  • Polyunsaturates1.7g
  • Carbohydrate219g
  • of which sugars3.3g
  • Fibre0.5g
  • Protein60g
  • Salt0.69g
  • Vitamin A400µg (50% DV)
  • Vitamin D37.5µg (150% DV)
  • Vitamin C100mg (125% DV)
  • Thiamin1.6mg (145% DV)
  • Riboflavin1.6mg (114% DV)
  • Niacin9mg (56% DV)
  • Vitamin B61.5mg (107% DV)
  • Folic Acid100µg (50% DV)
  • Vitamin B121.2µg (48% DV)
  • Biotin80µg (160% DV)
  • Pantothenic Acid3mg (50% DV)
  • Zinc7.5mg (75% DV)
  • Selenium27µg (49% DV)
  • Chromium50µg (125% DV)
  • L-Glutamine1000mg
  • Creapure Creatine Monohydrate3000mg
  • Choline100mg
  • DeltaGold Tocotrienols7.5mg (63% DV)
  • Iron2.3mg (16% DV)
  • Magnesium150mg (40% DV)
  • Bioperine Piperine5mg
  • LactoSpore Bacillus coagulans50000000spores

  • This 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 300 g servings 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 16 x 150 g servings or 8 x 300 g servings.
  • This product is sold by weight, not by number of servings.
  • This product has been manufactured in a facility which is routinely tested for banned substances.

Who is Instant Mass Heavyweight for?

It is designed for hardgainers and athletes who train intensely but find it difficult to gain muscle and weight.

How do I prepare a full serving?

Mix 300 g (approximately two level 250 ml measures) with 700 ml water in a suitable shaker cup or blender, then mix until smooth.

Can I start with less than a full serving?

Yes. New users may find it easier to start with a half serving and slowly increase to one or more full servings per day as required by their calorie intake plan.

How many servings can I have per day?

Recommended consumption is up to two 300 g servings per day. Do not exceed the stated recommended daily dose.

What allergens does it contain?

It contains cereals containing gluten, eggs, milk and soya.