Discover why Costco offers a plethora of Kirkland Signature products on its shelves, but has never released a mayonnaise ...

Summer is back and with it comes a Costco shopping list tailored to save the most money on the season's hottest Kirkland ...

Saffron is known to be expensive, but it should be good quality for the price. But customers are underwhelmed by the flavor ...

Another protein you need to stock up on during your next Costco run? Kirkland Wild-Caught Alaskan Salmon, “fresh or canned,” ...

Luckily, this basil pesto begs to be drizzled, dolloped, and spread — especially in the springtime, when everything starts to ...

And why is their private-label line called Kirkland Signature? We got to the bottom of these Costco mysteries.

Costco’s Kirkland brand has some serious stans, and rightfully so. Many of the store’s signature items deserve their ...

Costco shoppers say the Kirkland Signature Ultra Clean HE Liquid Laundry Detergent ( $16.39 down from $19.99) is easily comparable to brands like Persil and Tide. “This is the best laundry soap I have ...

Kirkland Signature, known as “KS” at Costco, would soon be slapped on everything from diapers to tires to golf clubs. Last year, Costco introduced a 24-pack of 12oz Kirkland hard seltzer and a ...