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Fibremaxxing is the new food trend replacing protein obsession in 2025

Forget protein—this year’s hottest diet hack is all about fiber. Nutritionists swear by its power to transform gut health and slash chronic illness risks.

In this image I can see food contains breads and cream.
In this image I can see food contains breads and cream.

Fibremaxxing is the new food trend replacing protein obsession in 2025

A new food trend called fibremaxxing is gaining traction as people shift focus from protein to fiber foods. The movement encourages eating more whole, plant-based foods high in fiber to boost health. It first made headlines in early December 2025 after being featured on the Wissen Weekly podcast episode ‘Goodbye, Proteine. Hello, Fibremaxxing’ on December 7.

Fiber maxxing centres on maximizing fiber intake through natural sources like fruits, vegetables, grains, lentils, nuts, and seeds. Experts link this approach to better digestive system health, improved metabolism, and stronger gut health. A 2024 global nutrition report even found that high-fibre diets can lower the risk of heart disease, obesity, and diabetes by 20-30%.

Fiber foods maxxing is gaining support from nutritionists, food companies, and individuals looking for healthier diets. The trend promotes long-term benefits like reduced disease risk and better digestive system health. With growing awareness, it may soon become a mainstream approach to eating.

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