Mammoth offer Costco
There are 2 new Mammoth offers available in the Costco flyer from 08-08-2025.
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Stores (2) 
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Mammoth Protein Bars, 12 × 75 g
$29.99
Mammoth Chocolate Peanut Butter Crunch Protein Bars, 12 × 65 g
$29.99
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Offer history
Mammoth is currently on offer at Costco, with the lowest price now $29.99. Based on offer history, we expect it to return in week 51.
Stores with Mammoth in their assortment
Nearest Costco branch
This Mammoth offer Costco is available in the following branches based on your set location:
Toronto
Mammoth price Costco
| Offer | Name | Regular price | Offer price | Offer terms | Start date | End date |
|---|---|---|---|---|---|---|
| Mammoth Chocolate Peanut Butter Crunch Protein Bars, 12 × 65 g | $29.99 | 05 August 2025 | 10 August 2025 | ||
 | Mammoth Protein Bars, 12 × 75 g | $29.99 | 24 March 2025 | 30 March 2025 |
