EL7.AI
StocksMedium•24 March 2026•
1 min read

Costco's New Kirkland Energy Drink Pressures Celsius and Monster Shares

Key Facts

1Costco launched a Kirkland Signature Sparkling Energy Drink priced at approximately 70 cents per can in bulk packs.
2Celsius (CELH) shares dropped 6.5% and Monster (MNST) shares fell 1% following the news.
3The new Kirkland drink contains 200mg of caffeine, similar to the caffeine content in Celsius and Ghost drinks.

Costco has officially entered the energy drink market with the launch of its Kirkland Signature Sparkling Energy Drink, priced disruptively at approximately 70 cents per can. The move has immediately impacted established players, with Celsius Holdings (CELH) shares falling 6.5% and Monster Beverage (MNST) dropping 1% following the news. The new product contains 200mg of caffeine, directly competing with the high-caffeine profiles of brands like Celsius and Ghost. Analysts note that the massive price gap—with competitors often retailing between $1.50 and $3.00—poses a significant threat to the market share of premium brands. This private-label expansion by Costco leverages its massive retail footprint to undercut margins in the consumer staples sector. Investors are reacting to the potential for a price war or a shift in consumer loyalty toward more affordable private-label alternatives.