The 2025–2030 Dietary Guidelines mark a clear reset in U.S. nutrition policy. They move away from nutrient counting and low-fat dogma toward real, whole foods as the foundation of health. Ultra-processed foods and added sugar are explicitly discouraged, protein is prioritized at every meal, healthy fats from whole foods are welcomed, and alcohol guidance is tightened. The focus shifts to food quality, satiety, metabolic and gut health, with system-wide implications beyond the