Health and wellness are constantly evolving spaces where new trends rise and fall, often fueled by social media hype. Yet very few of these trends are both popular and scientifically credible. One of the most compelling examples today is fibermaxxing , a viral movement that encourages dramatically increasing daily fiber intake. Originating as a catchy term on platforms like TikTok and Instagram, fibermaxxing is now gaining recognition beyond viral posts because it rests on decades of nutritional science. The trend highlights an overlooked truth: most people in modern societies consume far less dietary fiber than what health authorities recommend. Studies have consistently shown that fiber deficiency is a global problem. According to the Institute of Medicine, women should consume around 25 grams of fiber daily while men require closer to 38 grams. However, population surveys across North America, Europe, and Asia reveal that actual intake often falls short by half. A groundbreaking rev...