by Mammoth
What is Mammoth Mass Gainer (15 lbs)? Mammoth Mass is a Canadian high-calorie mass gainer delivering about 1,250 calories and 60 g of multi-stage protein (whey, casein) per 320 g serving, with a clean carb complex of oats, sweet potato and quinoa — and only ~9 g sugar. The 15 lb tub is the bulk size for hard gainers chasing a calorie surplus. About Mammoth Mammoth Supplements is a Canadian sports-
| Retailer | Size | Price (CAD) | Availability |
|---|---|---|---|
| Top Nutrition | 5 lbs | $59.99 | Out of stock |
| Top Nutrition | 15 lbs | $129.99 | Out of stock |
Prices last synced on 2026-08-04. Confirm at the retailer before buying.