But what is this brand, and who makes Costco Kirkland products? Let’s dive into who’s really behind Costco’s brand and see why purchasing Kirkland Signature can not only save you money but ...

Now a third of Costco’s annual sales, store brand Kirkland is a draw for shoppers and a negotiating tool with suppliers.

Kirkland Signature Glucosamine & Chondroitin tablets contain nothing but potent doses of pure glucosamine and chondroitin, so they can deliver the maximum benefits that both of these ingredients ...

While it was among the cheapest diapers we tested in terms of price, the Kirkland Signature Diaper bested many others when it came to preventing leaks.