Michelle Obama promoted her health beverage line, Plezi Fizz, at a Livermore Costco, generating buzz on social media.

Former first lady Michelle Obama visited the Bay Area on Tuesday, surprising shoppers at an unexpected East Bay retailer. A video posted on TikTok shows Obama interacting with Costco shoppers in Livermore and promoting the drink brand,

Even former first ladies stop at Costco every now and then, but this wasn't a casual shopping trip. Here's what Michelle Obama was doing at Costco.

Michelle Obama was promoting her new beverage line, PLEZi FiZZ, at a Costco location in Northern California. See more, here.

TikTok video shows Michelle Obama touting her new ‘healthy’ soda at a California Costco - The former first lady was spotted promoting her ‘healthy’ alternative to sugary juices and sodas

The drinks, called PLEZi FiZZ, are made for children ages 6 and up, according to PLEZi Nutrition’s official website. Obama currently serves as a co-founder and strategic partner of the beverage company.

The former First Lady was drew a crowd at a Bay Area Costco this week as she stopped by to promote a new healthy product venture.