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Discover the most popular fiber articles this week. From gut health to weight loss, these trending reads are backed by science and chosen by our community.
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All trending articles

If you’re new here, these three are the place to start — the foundations everything else builds on.
Fiber and exercise performance pull in two directions: fiber can upset your gut before a workout yet may support endurance over weeks. Here’s why timing decides which effect wins, what the gut and endurance research shows, and how to place fiber around training while you diet.
Fiber and protein for fat loss work best as a pair, with protein protecting muscle and fiber taking the edge off hunger. Here’s what the head-to-head trials found, which fiber types partner best with protein, and a simple anchor-and-partner way to build every meal.
Fiber for clear skin works mostly by taming the blood sugar spikes that drive oil and inflammation. This guide covers the acne trials behind it, the glycemic load swaps that matter most, and how long before your skin shows a change.
Fiber muscle preservation works through your gut, not your gym, and it backs up protein and strength training rather than replacing them. Here’s what the gut-muscle research shows, which fibers matter most, and how to build meals that protect lean mass while the weight comes off.
To maintain weight loss with fiber, build it into the same few habits that people who keep weight off for years already share. A breakdown of what long-term maintainers do, what the largest maintenance diet trial found about glycemic index, protein and fiber, and a simple weekly routine that keeps fiber steady.
The gut skin axis explains why a rash or a rosacea flare can start in your digestive tract. This guide breaks down the routes between gut and skin, where fiber and butyrate fit in, and which links research has actually confirmed in people.
Fiber weight regain research shows a mixed but useful picture: fiber guards your waist, and the whole-food pattern it comes with slows regain. A breakdown of where regained weight comes from, what maintenance studies found about fiber and glycemic index, and the fiber habits worth keeping after a calorie deficit ends.
Eat less food and you usually eat less fiber, a fiber calorie deficit trap that makes hunger and constipation harder to manage. Here’s why fiber drops when calories do, which dieting side effects it eases, and how to keep fiber steady while portions shrink.
Is fiber good for skin, or is the gut-skin buzz running ahead of the science? Here’s a clear breakdown of what fiber does on its way to your skin, which human studies back it up, and where the evidence still comes mostly from mice.
Fiber for GLP-1 side effects works best when you match the type and portion to the symptom, from burping and early fullness to constipation. A breakdown of which fibers sit lightly on a slow stomach, what fiber can and can’t add to the medicine’s appetite control, and what changes when hunger returns.
The research on fiber and cortisol is more modest than wellness claims suggest: one prebiotic lowered the morning cortisol rise, while wheat bran did not. Here’s how cortisol works, how gut bacteria might talk to your stress system, and how to eat for a steadier stress response.
Stress can push you toward sugary, fatty food and make weight settle around your middle. This article explains how cortisol drives that pattern, where fiber for stress-related weight gain genuinely helps with fullness and steadier eating, and what a 28-day gut-brain trial found about fiber and the stress hormone itself.

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