Why Fiber is the Big Thing in 2026

Fiber Optics: Protein has reigned supreme over the past few years. It’s been showing up in chips, pasta, and even soda. But the tides are changing. Now, it seems, the new wave is fiber. And honestly, that might be a good thing — only a small percentage of U.S. adults are getting their daily fiber requirements. 

What People Are Saying: Many fibermaxxing devotees report feeling fuller after meals and having steadier energy throughout the day. For others, the motivation might be disease prevention, especially if digestive issues or certain cancers run in the family. Nutrition experts are generally glad to see fiber getting the long-overdue attention it deserves. Still, they say the benefits are strongest when fiber comes from whole foods like beans, whole grains, fruits, and vegetables rather than fortified snacks.

What to Know: Getting more fiber doesn’t require specialty products. Instead, start by adding beans to a meal, eating more vegetables, or having an apple as an afternoon snack. However you do it, experts suggest easing into a higher-fiber diet rather than overhauling your diet overnight. Staying well hydrated is also key, since fiber absorbs water in the gut.