Starbucks is testing a new protein cold foam at 5 locations in the U.S.

Starbucks is piloting a new menu item that will give people a boost of protein with their morning latte.

The coffee chain is testing a new protein cold foam at five locations across the U.S., CNN reported. The foam is banana-flavored and paired with the coffee chain's iced latte beverage, a Starbucks spokesperson confirmed with CBS MoneyWatch.

Protein drinks and snacks have ballooned in popularity in recent years — a trend celebrities like Khloé Kardashian are looking to cash in on with products like Khloud, a protein popcorn. Protein shakes are now a $6 billion sector, according to Beverage Digest.