The Habit Burger & Grill is testing a Pumpkin Spice Protein Shake made with Muscle Milk at only one of its locations, according to a news release from the Irvine-based chain.

The drive-thru is at 17150 Brookhurst St., across the street from Sam’s Club and near Mile Square Regional Park.

The shake is made with real pumpkin pie puree and Muscle Milk Genuine Vanilla Crème, the news release said. It’s topped with a mountain of whipped cream.

The news release did not say how many grams of protein the shake packs. A 14-ounce bottle of Vanilla Crème and other Muscle Milk flavors have 25 grams of protein, according to their packaging.

The shake will be available while supplies last.

The protein drink market is having a moment fueled by TikTok health influencers who claim you need 200 grams of

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