For 300 tablets of acetaminophen from name brand Excedrin, you’d pay $22.99 at Costco — so you’ll get even more for less with the Kirkland brand. Vitamin C Price: $16.99 ...
Costco's Kirkland Signature brand is a favorite among members ... It produces purified water, spring water, sparkling water, vitamin enhanced water, and teas, among other offerings.