Last year, it felt like everyone was sleeping, breathing, and—quite literally—eating protein. But in 2026, fiber is poised to take center stage. At least some major food companies seem to think so. According to reporting from CNBC, PepsiCo is introducing new products like fiber popcorn and chips to grocery shelves this year, and Coca-Cola launched its own prebiotic soda in 2025.
Fibermaxxing is so popular with users on TikTok that it has its own description with FAQs under the search term on the platform. Plenty of videos mentioning the hack say that eating more fiber can have weight loss benefits and boost your chances of having a healthy gut.
Fiber is an indigestible carbohydrate that the body physically can’t break down. When your body is attempting to digest fiber,
A nutrition coach shares 5 easy ways to start fibermaxxing in 2026
