Starbucks shared that their protein powder should be able to be added to any of its cold foam flavors, but the current testing version is a banana cold foam, FoodSided reported. They’re starting the testing with Starbucks’ Iced Caffe Latte.

Starbucks is testing a new Protein Cold Foam in select locations. Here's everything you need to know about the brand's newest innovation.

Starbucks will soon be introducing a protein cold foam to its menus — and it contains between 15 and 18 grams of protein.