Costco Kirkland Signature Calcium Citrate Magnesium and Zinc is $14.49 down from $16.99, and shoppers are very happy with how effective this supplement is. “This product provides a convenient and ...

Key Specs Form: Powder Serving size: 1 scoop Type of vitamin C: Ascorbic acid Total vitamin C: 2,000 mg Other notable ingredients: Calcium, magnesium, potassium ...

Wear your love for the Kirkland Signature brand with pride in a logo-branded crewneck. These long-sleeve crewnecks are unisex and have more than 275 five-star reviews on Costco’s website.

Bottles of Kirkland Signature Bourbon at Costco - The Image Party/Shutterstock It's no secret that consumers love store brands, like the extensive Kirkland Signature line at Costco. According to ...

Kirkland Signature Purified Drinking Water comes in a 40-count of 16.9-ounce bottles for about $4.99, breaking down to roughly 12 cents a bottle.