Fiber

Your gut bacteria are waiting for fiber you’re not giving them. Here’s how prebiotic foods produce anti-inflammatory compounds — and what happens when you finally deliver.

The fibermaxxing trend gets the premise right but the method wrong — and for disrupted guts, it backfires.

The fibermaxxing trend is everywhere — but the research on fiber supplements vs whole food fiber tells a different story than influencers suggest.

Your gut bacteria make butyrate from fiber — but not all fiber works the same way. Here’s what to eat, what to skip, and whether supplements are worth it.

A compound your gut bacteria make from fiber literally changes which genes your brain expresses — and the effect compounds over time.

The internet’s hottest gut health trend promises better digestion, more energy, and weight loss through extreme fiber intake. The reality is more complicated.