A new trend called “fibremaxxing” is loading processed foods with added plant fibers, promising easy health gains through fortified snacks and drinks. But the real power of fiber goes far beyond clever marketing—regulating blood sugar, lowering cholesterol, and feeding gut bacteria that produce beneficial short-chain fatty acids linked to stronger immunity and metabolic health. Experts say the biggest benefits come not from synthetic add-ins, but from a diverse diet of whole fruits, vegetables, and grains—introduced gradually and paired with proper hydration. In this episode, we explore whether fibremaxxing is a smart shortcut or a distraction from the fundamentals of good nutrition.

https://www.economist.com/science-and-technology/2026/02/20/should-you-be-fibremaxxing