Changes in diet can improve energy levels by providing balanced intake of macronutrients and micronutrients. A diet rich in whole, unprocessed foods like fruits, vegetables, whole grains, and lean proteins supplies the body with essential vitamins and minerals that support metabolic processes. Avoiding excessive sugar and processed foods helps stabilize blood sugar levels, preventing energy crashes. Also, maintaining hydration is crucial for sustaining energy. By prioritizing nutrient-dense foods, individuals can enhance overall vitality and reduce feelings of fatigue throughout the day.