Pumpkin is rich in vitamin A and an excellent brain-benefiting element-β-carotene. Pumpkin tastes sweet and tastes flat, which can refresh the mind and improve the symptoms of neurasthenia and irritability. Eating once a day is very effective for nourishing the brain.

2. Walnut

Walnuts nourish the brain, which is well known. Walnut is rich in unsaturated fatty acids, which can avoid cerebral vascular occlusion, strengthen brain and improve intelligence. But walnut is a kind of dry food, so you can't eat too much, otherwise it will easily cause constipation and nosebleeds.

3. Quail eggs

Quail eggs can be said to be the best brain tonic before the college entrance examination. Although the protein and fat content of quail eggs is equivalent to that of eggs, the lecithin and cephalin in quail eggs are 3-4 times higher than those in eggs. These two substances are indispensable nutrients in higher nervous activity. If you eat it regularly, the effect of nourishing the brain is particularly good. The reason why quail eggs have a good brain-nourishing effect in the college entrance examination is that the content of vitamin D in quail eggs is high, which is incomparable to other poultry eggs.

4. eggs

Eggs are rich in lecithin and excellent protein components, which are indispensable nutrients for maintaining the operation of human body and brain cells. protein is an important element for making cells and neurotransmitters. As for lecithin, it has the function of strengthening the brain and enhancing memory.

5. Sunflower seeds

Sunflower seeds are rich in trace elements such as iron, zinc, potassium, magnesium and vitamin E, and have certain brain nourishing and brain strengthening effects. Practice has proved that people who like to eat sunflower seeds not only have rosy and delicate skin, but also have quick thinking, strong memory and coherent speech.

6. Deep sea fish

Deep-sea fish are rich in polyunsaturated fatty acids, especially docosahexaenoic acid (dha), which is an essential substance for the brain. This substance is of great help to replenish the brain and improve memory. Of course, the improvement of memory does not mean that eating some deep-sea fish on the day of the exam will have an effect. Dha is not abundant in other freshwater fish and terrestrial organisms, but the most abundant is deep-sea fish, such as salmon, tuna and saury. I suggest you eat more saury. Fish oil is rich in dha and affordable.

Matters needing attention in brain tonic for senior high school students 1. Pay attention to food hygiene and safety, eat green and safe food, and don't eat those unclean foods, so as not to cause diarrhea; Eat a balanced and diverse diet, not picky eaters, and eat more fresh vegetables and fruits; Appropriately increase some coarse grains, such as oats, buckwheat, coix seed, sweet potato and so on. It is very helpful for human metabolism; Eat less cold and frozen food; Eat regularly and don't eat spicy and fried food.

2. The brain is overloaded before the exam. What nutrition does the brain need most? Experts suggest that we should follow the principle of "reasonable diet and balanced nutrition": First, blood sugar is the direct energy source of the brain, and only by ensuring the blood sugar supply of the brain can we maintain the excitement of the brain. Therefore, children should be given enough staple food every day. One third of the staple food should be coarse grains to ensure that blood sugar rises slowly and continuously.

Protein and protein are the foundation of all cells, and glutamic acid can also play a positive role in brain cells. Protein-rich foods include meat, eggs, milk, soybeans and bean products. Third, the right amount of fat can help the brain improve its memory. You can eat some fatty fish, such as salmon and oily nuts (walnuts, etc. Fourthly, fresh fruits and vegetables are supplemented with vitamins and minerals.

3. If parents feel that it is not practical to supplement their children, they can appropriately supplement the candidates with nutrients such as phosphatidylserine, dha and B vitamins. These nutrients help to improve memory and brain.

There is also the quality of sleep. Be sure to go to bed early and get up early without staying up late, and keep a good attitude!