Costco's new energy drink delights fans, rattles competition
By Maurie Backman
Published on March 25, 2026.
Costco's new Kirkland Signature Sparkling Energy Drinks have been a hit with fans, with a 24-count pack featuring three flavors priced at $16.99. Each can contains 200 milligrams of caffeine, making it considered high-quality and a clear winner compared to the popular Celsius brand. However, shares of Celsius fell nearly 7% after the news of the Kirkland brand. Costco's Kirkland line can be found all over Costco, and its reputation for quality and reliability is strong. Despite concerns about potential competition, the company insists that it will not impact Celsius's energy drink empire.
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