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Reflex Instant Mass Heavyweight

Instant Mass Heavyweight is a packed gainer with quality protein, complex carbohydrates and chelated vitamins!

Option:

Registered customers have better prices!

Flavour:

Vanilla
4.2
-15 % remains 1 day
in stock
52,09 €
44,32 €
Strawberry
4.5
-15 % remains 1 day
in stock
52,09 €
44,32 €
Chocolate, Peanut butter
4.7
-15 % remains 1 day
in stock
52,09 €
44,32 €
Chocolate
4.8
-15 % remains 1 day
in stock
52,09 €
44,32 €
Salted caramel
5
-15 % remains 1 day
in stock
52,09 €
44,32 €
Cookies cream
4.7
-15 % remains 1 day
not in stock
52,09 €
44,32 €
Estimated delivery 15. 10. 2026

Product description Reflex Instant Mass Heavyweight

Instant Mass® Heavyweight

  • 1539 kJ / 363 kcal per serving !
  • Protein blend of protein and hydrolysates with high biological value
  • Carbohydrates without additive simple sugars
  • Creapure® creatine + chelated zinc + Vitamin D3
  • A blend of essential vitamins and minerals in the most effective forms

Instant Mass® Heavyweight - our most powerful gainer in the "hard" category

The newest product from Reflex Nutrition designed for all individuals and athletes focused on a source of super-quality "high-energy" nutrients and ergogens.

Heavyweight offers four key benefits:

1/ Heavyweight offers 60 grams of super-quality protein and amino acids.

For maximum results, you need the highest quality proteins, peptides and amino acids, which must also be represented in optimal proportions. The highest quality sources are whey protein and micellar casein. However, Heavyweight does not contain just "some" whey protein and "some" other proteins. The base is made up of two special types of whey hydrolysate, which is actually protein split into amino acid chains ( peptides) and free amino acids.

- The first component is therefore the so-called HIGH DH whey protein hydrolysate, i.e. the protein grafted under the highest degree of hydrolysis. HIGH DH contains a high ratio of free amino acids, di and tri peptides (chains of two to three amino acids). The HIGH DH fraction is absorbed by our body the fastest, literally in seconds.

- Another component is LOW DH whey protein hydrolysate, a protein cleaved under a low degree of hydrolysis. LOW DH contains a high ratio of so-called oligopeptides and polypeptides, i.e. chains of amino acids. LOW DH is thus the second fastest absorbing protein after HIGH DH.

- The third component is the so-called selective bioactive whey concentrate and native whey isolate (high content of BCAA and bioactive fractions).

- The fourth ingredient is pure ultra-filtered micellar casein, which is absorbed the slowest and supplies the body with essential amino acids for more than four hours.

Only top quality: Heavyweight does not contain unprocessed protein sources such as soy concentrate, collagen (protein of bovine origin), calcium caseinate, dried egg white and others.

2/ Heavyweight carbohydrate blend

Heavyweight offers a special blend of carbohydrates without the additive content of simple sugars. The base is a blend of high quality whole grain oat carbohydrates and maltodextrin. The combination of these superior carbohydrates guarantees that the body is supplied with very stable, long-term energy without major fluctuations.

3/ Heavyweight Muscle & Strength Stack

Stimulating muscle growth is not easy and few sports nutrition manufacturers understand the importance of micronutrients + vitamins + minerals and their crucial role in this process. We have spent many years developing the ideal combination that would work, the result is Heavyweight, which contains a potent combination of Creapure® creatine, chelated minerals and vitamin D.

4/ Heavyweight Immune Support

Each dose of Heavyweight contains a full dose in a potent vitamin and mineral complex.

Recommended Dosage:

  • Mix a 150g serving (1 aligned 250ml scoop**) in 350ml of water in a shaker or blender until smooth and consume immediately. Take 2 servings (300g) per day. For people new to this product, we recommend starting with 1 serving and gradually increasing the dose to 2 servings per day or more. If you want a creamier and more energetic drink, use semi-skimmed milk instead of water. The product is suitable for consumption throughout the day between meals or 20 to 30 minutes after training or 45 to 60 minutes before bedtime. Consume a maximum of 4 servings per day.

**Dimension can be found inside the package, due to transport it may be lying at the bottom.

Warning. Keep out of reach of children. Do not exceed the recommended daily dose. Not a substitute for a varied, balanced diet and healthy lifestyle. Store in a cool, dry place out of sunlight. Close with a lid. Use within 3 months after opening. Ingredients may come from outside the UK.


4,6
evaluated 108 of customers

Reviews
108 reviews

Petr Gebauer rated by
23. 8. 2026 08:52
5400 Gramů Čokoláda
Dobrý ale hůř rozpustný
Patrik Hulina Reviewed by
1. 8. 2026 08:20
5400 Gramů Borůvka
Zloženie a výživové hodnoty sú v porovnaní s konkurenciou super. Velkosť odmerky - jedna dávka je neprijatelná. Vytvorí extrémne sladkú kašu ,ktorá je nekonzumovatelná.
Martin Seidl Reviewed by
10. 7. 2026 09:25
5400 Gramů Slaný karamel
Slaný karamel mi chuťově sedí nejlépe. Kupuji opakovaně. Hustá konzistence - zasytí. Vydrží mi dlouho. Složení - viditelný efekt na těle,
Miloš Horváth Reviewed by
26. 2. 2026 14:40
5400 Gramů Borůvka
Super
Miloš Horváth Reviewed by
24. 2. 2026 17:07
5400 Gramů Čokoláda, Arašídové máslo
Super chut,objednaval som len cucoriedka ale toto je ovela lepsie
Josef Valenta Reviewed by
22. 1. 2026 09:06
5400 Gramů Čokoláda
Dobrý

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