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Over 50.000 positive customer and product reviews

Mammoth Mass

Interactive Nutrition
  • 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

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 Mick on May 23, 2023
Perfect I’ve been trying to get this flavour in the uk for a long time and I’m so pleased I could source it out, delivery was super fast… thanks guys you’ve made my day will happily buy again, customer for life! 👌🏼💪🏼

The taste is acceptable (chocolate), it's early to write about the results, the price could be more affordable

Review by Pedro on Feb 10, 2023
Verified purchase
The taste is acceptable (chocolate), it's early to write about the results, the price could be more affordable


Review by Peter on May 13, 2022
Very good


Review by Valentinas on May 7, 2022
very good protein

Waited long for this!

Review by David Maisey on Apr 9, 2022
Superb product, great delivery! I had been waiting for these guys to get more in stock. Best stuff around…please don’t run out again! Lol


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

Prima spul

Review by Ivo Gielstra on Jul 9, 2024
Verified purchase
Na de eesrte zak chocolade poeder wat ook goed was de banaan geprobeerd ook deze is goed kwa smaak en hij mengt goed met melk en kwark Zeer tevreden over dit product
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Top site altijd snel en goed geholpen.

Review by Jan Gerrits on Jul 2, 2024
Verified purchase
Dit product is altijd goed om aan te komen in combinatie met creatine.
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