Protein has dominated nutrition conversations for a decade. But in 2026 a new trend is emerging — fibermaxxing. Page views for fiber-focused articles spiked 9500% in 2025. The gut health revolution has made fiber the most talked-about nutrient after protein. Fiber feeds beneficial gut bacteria, supports digestion, reduces blood sugar spikes and is strongly linked to lower rates of colorectal cancer. Most people eat less than half the recommended 30 grams daily. Whole Foods, Oatly and major food brands are all launching high-fiber products. Datassential predicts fiber will be the defining nutrition trend of 2026. Is fiber genuinely the new protein or is this just the latest nutrition fad?
