“What’s the healthiest breakfast?” seems to be an eternally asked question in our wellness-obsessed world. And while protein—and a savory breakfast—have been at the top of the discourse recently, there’s a new and unexpected breakfast front-runner: Miso Soup.

It started with a TikTok video, where content creator Niko Katsuyoshi declared it “a hack” in his health journey. “Miso soup is great because it’s fermented and good for your gut,” Katsuyoshi continues. “You can try adding bone broth instead of water to your miso soup for some extra protein.”

Made out of fermented soybeans, salt, and a fungus also used in alcohol fermentation, miso isn’t only good for your gut. Studies have also shown it can help reduce cancer risk, heart disease, and even protect against radiation. It only makes sense that it’s one of the most popular ingredients in the diet of Blue Zone thrivers in Okinawa, Japan.

“It’s an immense source of minerals and vitamins,” says nutritionist Dr. Olivier Courtin-Clarins. “It’s also affordable, delicious, and can be combined with other vegetables to make dishes even better.”

A Japanese study found that naturally probiotic miso can help lower incidences of stomach cancer and heart disease, and it also has anti-diabetic and anti-inflammatory effects on the body.

For Katsuyoshi, miso soup is a daily dish—especially in the morning. It’s something that’s also encouraged by longevity expert Dr. Vicente Mera, head of internal medicine and anti-aging at SHA Wellness Clinic. “Miso has a direct effect on aging, especially noticeable on the skin and cognitive functions,” Dr. Mera adds.

“My biggest tip is delay your breakfast a little bit, because miso soup has a lot of sodium,” Katsuyoshi says—adding that he also had somebody suggest adding the miso to your water bottle so you’re sipping it throughout the day. However you do it, make sure it’s part of a well-balanced balanced diet.

Have a beauty or wellness trend you’re curious about? We want to know! Send Vogue’s senior beauty & wellness editor an email at beauty@vogue.com.