Hypertension, or high blood pressure, is a major public health challenge, affecting over 1.28 billion adults worldwide, according to the World Health Organization (WHO). As a leading risk factor for cardiovascular disease, stroke, and kidney failure, hypertension necessitates effective management strategies. Among these, dietary interventions play a central role. Dietary fiber, in particular, has garnered attention for its ability to support vascular health and lower blood pressure. This article explores the role of fiber in preventing and managing hypertension, the mechanisms by which it impacts vascular health, and practical strategies to increase fiber intake.