6 flavours
Mammoth
Mammoth Mass 15lb
$115.99
In stock
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5% off any 2 · 10% off any 3 · 15% off any 5 — applied automatically in your cart.
Authorized stock
Same-day dispatch
14-day returns (unopened)
Mammoth Mass is a high-calorie gainer in dessert flavours, meant to add calories on top of meals.
The 15 lb bag keeps heavy shakes on the menu for months of training.
- 15 lb format
- Delivers a calorie-dense weight-gainer blend
- Flavour picks: Chocolate Peanut Butter, Vanilla Ice Cream, Banana
- Made by Mammoth
Nutrition information is on the product packaging.
Values vary slightly by flavour — the tub label is the authority.
Shipping. Orders placed before 2 pm ET on weekdays ship the same day. Standard shipping is free over $99; below that it's calculated at checkout. Most of Ontario and Quebec sees delivery in 1–3 business days; Western Canada and the Atlantic provinces in 3–6.
Returns. Unopened products can be returned within 14 days of delivery for a full refund. Opened tubs can't be restocked — if something's wrong with your order, contact us and we'll make it right.
Freshness. Everything ships sealed, from authorized Canadian distribution. If your order arrives short-dated, contact us and we'll replace it or refund it.
3.4
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