There is no such thing as what is the best thing to eat to replenish the brain. You can eat seafood, nut products, dairy products help brain cell metabolism, but pay attention to the amount of food, if too much may cause some damage to the organism. 1. Seafood: squid, oysters, shrimp, etc., rich in protein, magnesium, calcium and other nutrients, but also has a protective effect of the nervous system with Omega-3, conducive to brain health. 2. Nut products: walnuts, sesame seeds, almonds, flaxseeds, etc., rich in linoleic acid, linolenic acid and other unsaturated fatty acids, can be nutritious to the brain’s nerves, to maintain the effective functioning of the brain. 3. Dairy products: milk, milk powder, yogurt, etc., rich in tryptophan, protein, calcium and other trace elements, can provide the brain with a variety of nutrients. If there are symptoms of physical discomfort, you should seek medical attention and follow the doctor’s instructions in a timely manner.