The viral world of protein coffee is heading mainstream, and Starbucks is ready to meet the moment by combining nutrition with nostalgia.

Leader Brian Niccol took over as CEO in September with a plan to return the chain to its coffeehouse roots, focusing on the in-store experience.

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

While I can’t always try every single new item that Starbucks adds to its menu, I never miss a new cold foam flavor or coffee ...

The protein cold foam joins a lineup of new items coming to the Starbucks menu, including limited-edition Strato Frappuccinos ...

Most of the new menu items sampled by USA TODAY, including a new protein cold foam, will see additional testing before being released nationwide.

Starbucks' new set of creamers appear to all have been inspired by fan-favorite menu items, including its Maple Pecan Latte ...