Fibermaxxing: Latest Instagram diet craze raises hope that a fiber-rich diet can improve health Claudia Steiner | September 14, 2026

https://geneticliteracyproject.org/2026/09/14/fibermaxxing-latest-instagram-diet-craze-raises-hope-that-a-fiber-rich-diet-can-improve-health/ In the world of dietary trends, proteinmaxxing is taking a back seat to the new obsession: ramping up on fiber. Since the summer of 2025, Instagram has racked up more than 10,000 posts captioned with #Fibermaxxing and other fiber-forward hashtags — and the flood doesn’t appear to be dissipating.