Tag: Costco protein bars

Many protein bars are manufactured in facilities that process nuts, making a careful review of the label essential for anyone with an allergy. So, **do Kirkland protein bars have nuts**? The answer depends on the specific variety, with different types containing explicit nut ingredients or posing significant cross-contamination risks.

The U.S. protein bar market was valued at nearly $4 million last year, with Costco being a major retailer. With so many options in the warehouse, determining **what is the best protein bar at Costco?** can be a challenge.

According to search results from Costco's own websites, yes, Costco sells Builders protein bars in bulk variety packs. This provides a cost-effective option for fans of the plant-based, gluten-free snacks, though specific flavors and pack sizes can vary by location and online availability.