1. Beans: Iron is the main medium for producing human energy, and it is responsible for delivering oxygen to human organs and muscles. If the human body lacks iron, it will lead to anemia and make people feel dizzy and weak. Although pig liver and lean meat are the best sources of iron, eating some red beans, black beans or soybeans often can also supplement iron and effectively improve fatigue and weakness. 2. Spinach: Spinach contains magnesium, which is a mineral that women are more likely to lack. If the daily intake of magnesium is less than 280 mg, women will feel tired. The function of magnesium is to convert carbohydrates in muscle into usable energy. 3. Banana: Banana is called "high-energy food", which contains carbohydrates easily absorbed by human body and is also rich in potassium. Potassium can help maintain the normal function of muscles and nerves, but it cannot be stored in the body for a long time. After strenuous exercise, the potassium in the body will drop very low. Studies have shown that too low potassium can lead to muscle pain, arrhythmia and slow response. And eating a few bananas can supplement the lack of potassium. Containing serotonin, you will feel full after eating. 4, strawberries: strawberries are rich in vitamin C, and vitamin C helps the human body absorb iron and nourish cells, so eating more strawberries can make people energetic. Quickly relieve people's bad emotions. 5, skim yogurt: Many women feel tired and sleepy before and after menstruation. Studies have shown that eating more foods rich in calcium, such as skim yogurt, can obviously improve this situation. If you eat three small cups of skim yogurt or two large cups of milk every day, you can relieve abdominal pain, fatigue, irritability and other symptoms, because calcium has the function of relieving muscle tension and regulating endocrine. 6, lemon, because the content of vitamin C is extremely high, greatly improving the ability to receive information. Very suitable for students to eat. 7. Spinach Spinach contains a mineral that women are more likely to lack-magnesium. If women's daily intake of magnesium is less than 280 mg, people will feel tired. The function of magnesium in human body is to convert carbohydrates in muscle into usable energy. 8. Bananas Bananas are called "high-energy foods", which contain carbohydrates easily absorbed by the human body and are also rich in potassium. Potassium can help maintain the normal function of human muscles and nerves, but it cannot be stored in the body for a long time. After strenuous exercise, the potassium in the body will drop very low. Studies have shown that too low potassium can lead to muscle pain, arrhythmia and slow response. And eating a few bananas can supplement the lack of potassium. Strawberry Strawberry is rich in vitamin C, which helps the human body absorb iron and nourish cells, so eating more strawberries can make people energetic. 9. Tuna Among the fish in protein, tuna is rich in tyramine, which can help the human brain to produce neurotransmitters, making people concentrate and think quickly. 10, cereal Some people find that if the fiber content in breakfast is high, you won't feel hungry. Nutritionists explain that fiber can slow down digestion, continuously supply carbohydrates to blood vessels, and make the human body get energy continuously. Oatmeal is a kind of food rich in fiber, and its energy release is slow and balanced, which can keep the blood sugar level of human body at a high level all the time, so it will not feel hungry and full of energy soon. 1 1, cabbage, can reduce thyroid activity. As long as you eat cabbage salad before an exam or a major problem, you will immediately become calm. 12, carrots, can help memory. Carrots can promote the metabolism of the brain. 13, pineapple, anyone who needs to recite a lot of lines and memorize music scores needs a lot of vitamin C, and pineapple is just rich in this vitamin. Pineapple has a low calorie content. 14, avocado, an energy source to enhance short-term memory, because it is rich in nucleic acid. Shrimp, a delicious food that nourishes the brain, provides fatty acids that help to concentrate. 15, onion, can eliminate brain and psychological fatigue and improve oxygen supply to the brain. 16, walnut or hazelnut-walnut can strengthen the nervous system and stimulate brain activity. 17, fig, which contains substances similar to aspirin, can dilute blood and improve oxygen supply to the brain. For journalists and other creative people, this is a beneficial result. 18, red pepper, which contains aromatherapy agent to promote the secretion of sex hormones. 19, celery, can increase brain activity. It contains aromatherapy which can stimulate the nervous system.