Alkaline foods (fruits, vegetables). Fatigue is caused by an acidic environment. Eating more alkaline foods can neutralize the acidic environment, reduce the acidity of blood and muscles, increase tolerance, and eliminate fatigue. Foods containing caffeine (tea, coffee, chocolate). Coffee can increase the frequency and depth of breathing, promote adrenal secretion, excite the nervous system, and enhance the ability to resist fatigue. High-protein foods (tofu, milk, pork, beef, mutton, fish, etc.). Excessive calorie consumption makes people tired. Timely replenishing calories can eliminate fatigue. Foods rich in vitamins: fresh dates, citrus, tomatoes, potatoes, animal liver and kidneys, dairy, peas, sweet potatoes, eggs, oatmeal, spinach, lettuce, etc.