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Mammoth Mass

Mammoth Mass

A Product
Clean Quality Calories for Mammoth Gains
  • 60 grams of high-quality protein
  • Over 39 grams of BCAAs, glutamine & EAAs
  • Clean carb complex w/ rolled oats, sweet potato & quinoa
  • Available in 6 mass-ive tasting flavors
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Buy 1 Mammoth Mass 15lbs for only $59.99! Limited time only.
Buy 1 Mammoth Mass 5lbs for only $28.99! Limited time only.
Buying Options
$28.99 28.9900
7 Servings | $4.14 Per Serving
$59.99 59.9900
21 Servings | $2.86 Per Serving
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Nutrition Info

5lbs Rich Chocolate

Serving Size: 4 scoops (320g)
Servings Per Container: 7
Amount Per Serving
Calories from Fat
Total Fat
Saturated Fat
Total Carbohydrate
Dietary Fiber
Vitamin A
Vitamin C
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
MEDICINAL INGREDIENTS: Mammoth Clean Gains Protein Blend (Whey protein concentrate, Whey protein isolate, Micellar casein, Calcium caseinate (from milk protein)), Mammoth Amino Acid Support Matrix (L-glycine, L-glutamine, L-leucine, L-isoleucine, L-valine), Enzyme protease. NON-MEDICINAL INGREDIENTS: Mammoth Clean Carbs Matrix (Maltodextrin, Oat fibre, Sweet potato powder, Quinoa powder), Cocoa powder, Sunflower oil powder, Medium chain triglycerides (from Coconut), Tricalcium phosphate, Natural & artificial flavours, Acesulfame potassium, Sucralose, Soy lecithin (as an emulsifier).
Allergen Warning
Contains ingredients from milk, soy, coconut & wheat. Made in a plant that also processes egg, soy, peanut, tree nuts, fish, crustaceans/shellfish & wheat products.

Blend 4 scoops (320 g) of Mammoth MASS with 20 fl. oz. (591 mL) of water. On training days, take 1 serving for breakfast and 1 serving post workout. On non training days, take 1 serving for breakfast and 1 serving in the afternoon.

If you are pregnant or breastfeeding or have a medical condition, consult a health-care practitioner before use. Keep in a cool, dry place. Keep away from children. Do not use if the security seal is broken.

Expand Info
Product Information
Less Sugar, More Gains Banner showing 5lb/15lb sizes and all available flavors

MAMMOTH MASS Weight Gainer provides more protein, better carbs and far less sugar giving you more of what you want in a potent mass muscle building formula. With 60 grams of the finest whey protein isolate, whey protein concentrate, micellar casein and calcium caseinate available, combined with the MAMMOTH Clean Carb Complex featuring Quinoa, Sweet Potato, Oat Bran, it will have you primed with clean quality calories for MAMMOTH gains!

Over 39 grams of combined BCAA, Glutamine and Essential Amino Acids.


Are you trying to add quality size to your frame but are finding it difficult to get in enough calories to see any noticeable changes in lean muscle mass due to your quick metabolism? You’re not alone. There are plenty of people out there who can eat seemingly everything in sight and still not make the gains they desire.

The clean carb matrix found in MASS is truly setting a new industry standard. Mammoth did away with the heavy sugar formulas you find on the market and created a matrix that includes ingredients such as quinoa, sweet potato, and rolled oats. We’ve tossed in some healthy MCTs as fats and you have the most advanced and complete mass gainer formula available today.

Mammoth MASS is a game-changer in the mass-gainer category. The term “mass gainer” has been dragged through the mud for over a decade due to the current state of the products available. Essentially, they have been loaded with unhealthy sugars and cheap carbohydrate sources; all in the name of producing a mass gainer that is slammed with as many calories as possible per serving.

Mammoth MASS was created to help those wanting hard gains and those looking to put on MAMMOTH size in a manner that helps maximize lean muscle tissue growth while also minimizing increases in body fat. We’ve done just that with mouth-watering flavours you’ll enjoy every time you mix yourself a shake.


Here’s the great news… ANYONE. It doesn’t matter if you’re an elite athlete, student, business executive, bodybuilder, power lifter, strongman, weekend warrior, or someone who just wants to add some quality size to their frame, Mammoth MASS is for YOU!

The precise revolutionary formula found in Mammoth MASS provides clean ingredients you can feel good about consuming – none of the junk and high sugars you are accustomed to seeing in similar mass gainer products. It's for that reason that so many people have made the switch to Mammoth MASS – to take in the quality calories and ingredients needed to put on the size they desire.

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What's In Mass? Banner showing scoop of Mammoth Mass Gainer

  • Mammoth MASS is an innovative mass gainer that has all the benefits you are looking for! No one comes close to touching the ultra-clean and precise formula found in Mammoth MASS.
  • With protein sources coming from whey protein concentrate, whey protein isolate, micellar casein, and calcium caseinate, you have all of your bases covered with fast, medium, and slow-digesting proteins to help maximize lean muscle growth and gains.
  • The real highlight of the Mammoth MASS profile comes in the form of its clean carb matrix. This clean carb matrix is made up of oat fiber, sweet potato powder, quinoa powder.
  • Rather than adding a bunch of unhealthy fat to increase the flavour and texture of the gainer, Mammoth included healthy fats in the form of MCTs (coconut). And unlike most formulas out there, Mammoth MASS only contains 9g of sugar whereas most of the competition is more than double.


Mammoth Clean Gains Protein Blend | Whey Protein Concentrate, Whey Protein Isolate, Micellar Casein, and Calcium Caseinate.

  • Helps increase muscle growth by rebuilding torn down muscle fibers from intense workouts

Mammoth Clean Carbs Matrix | Oat Fiber, Sweet Potato Powder, Quinoa Powder

  • Clean carbohydrates to aid in energy production and glycogen replenishment.

MCTs | Coconut

  • Healthy fats that help fuel the brain and can be used as an efficient energy source.

Awesome Taste Icon

Mammoth MASS is available in 6 MASS-IVE TASTING FLAVOURS!

The flavour profile of a product is extremely important. In fact, it can make or break a product. We want to bring to market great flavours that leave you wanting more – and we’ve achieved that. Mammoth MASS is available in six mouth-watering flavours that will send your taste buds into orbit and have you craving your next serving.

Mammoth Mass flavors graphic showing all six available flavors: rich chocolate, vanilla ice cream, strawberry, banana, cookies & cream, chocolate peanut butter

In an effort to help hard gainers everywhere, we developed our 3100 Calorie Hard Gainer Protocol.

Mammoth Mass 3100 Hard Gainer Program - Are you a hard gainer?

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Overall Rating
4 out of 5 stars
Reviews (2)
Verified Buyers (2)
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Top Rated Flavors
  • Vanilla Ice Cream (4/5 )
  • Cookies & Cream (4/5 )
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  • Cookies & Cream
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Healthy Lifestyle
Verified Buyer
Technically haven't used this yet as I am still finishing up my 5lb bag but I firmly believe it will be no different than the vanilla flavor I currently have. This product as a whole and been pretty phenomenal so far for me. No major diarrhea or bloating problems. Matter of fact I'm sure its responsible for helping me put on 5lbs of mass, along with proper meal planning as well.*
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2023-07-16 12:22:00Z
Overall Rating
  • Vanilla Ice Cream
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Healthy Lifestyle
Verified Buyer
For knowing nothing about this product, I have to say that I am impressed! Vanilla flavor is pretty good, it goes down smooth with milk. It doesn't seem like it causes any kind of bloating/stomach discomfort like other brands I've tried. It's reasonably priced but I gotta give credit to the representative that sold me on this product! Unfortunately, I don't remember his name but thanks to his knowledge, it gave me enough confidence to pull the trigger on it. So, thank you Muscle&Strength team for your support! As long as the manufacturer keeps making this product, I will continue to buy it!*
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1 of 1 found this helpful
2023-06-25 17:41:59Z
* Muscle & Strength does not imply any medical claims from this review. There are no guarantees of specific results and results may vary.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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