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Mammoth 2500

Interactive Nutrition

10% OFF

  • 1300 kcal per shake
  • 60g of high quality protein per serving to help the growth of muscle
  • 230g of carbohydrate per serving to help the body recover
From £2.69

Product Overview

High Protein High Protein
Low sugar Low sugar

Iconic high-protein, calorie dense powder

If you want to increase muscle and size then Mammoth Mass from Interactive Nutrition is one of the most iconic weight gain powders on the market. Each serving of Mammoth Mass provides 60g of protein to support the growth of muscle, 230g of carbohydrate, and over 1300 kcal to increase the number of calories in your diet. Plus, Mammoth Mass also contains added amino acid matrix, enzyme complex and medium chain triglycerides (MCTs). Available in a range of sizes and great-tasting flavours.

Packed with high-quality ingredients to help build size

Mammoth Mass is packed with high-quality ingredients and features a premium protein blend. The mix of whey protein concentrate, whey protein isolate, micellar casein and calcium caseinate provides a complete protein source. The source of carbohydrate is maltodextrin and helps to aid recovery after intense, long-lasting exercise, so long as you take on board 4g/kg body mass within 4-6 hours after exercise. In a crowded field, Mammoth Mass stands out as a premium option for anybody wanting to get bigger!


  • Added amino acid matrix

  • Added enzyme complex
  • Added medium chain triglycerides (MCTs)

Suggested Use

Just mix two scoops of Mammoth Mass (320g) with 591ml of water to create a tasty, calorie-packed shake.

Nutritional Information

Nutritional information will be shown when a flavour and/or size is selected.

Customer Reviews

Overall Rating (4.5)
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Review by Shad on Jun 17, 2021
Works as it should. Started to notice weight gain in a matter of weeks


Review by Dave Maisey on Apr 22, 2021
Great tasting, good ingredients top product

cheap price

Review by qaiser on Oct 16, 2020
excellent price

Excellent gainer

Review by Julien on Oct 3, 2021
Très bon produits fait avec des ingrédients de qualité. Rien a dire. Excellent !
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Review by goos on Sep 13, 2021
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Review by Lara on Sep 13, 2021
op basis van de reviews gekozen voor banaan. smaak is even wennen maar ik mix het zelf in de blender en doe er een banaan bij waardoor het nog minder chemisch wordt. binnen 1,5 week resultaat (voornamelijk onderlichaam). ik ben super blij! top product :)
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Mass gainer

Review by Safiullah Sadat on Sep 11, 2021
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Goed prodcuct

Review by Anonymous on Aug 25, 2021
Zeer snel geleverd!
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Excellent produit

Review by Julien on Aug 8, 2021
Très bien dosé, goût délicieux. Et avec tout ça livraison rapide.
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Skinny boys

Review by Benjamin on Jul 28, 2021
De hoop & motivatie voor de skinny boys om stevig door te gaan in zwaar fitness. Als je maar lang genoeg door blijft zetten ziet je omgeving het ook
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