After liver transplantation, patients usually need to supplement some foods with high protein, high vitamins, low sugar and low fat to help them recover. Because patients who take immunosuppressants after liver transplantation are at risk of diabetes and hypertension, they should eat less sweets and salty food. It is particularly important to note that some fruits, such as grapefruit or its juice drinks, can inhibit the activity of cytochrome P450 isoenzymes in liver transplant patients, so that the blood concentration of drugs (especially immunosuppressants) taken by patients increases rapidly, resulting in a sudden increase or even damage to the liver that has just been transplanted and is still in the repair stage. So you can bring some food, such as protein powder, multivitamins, milk and so on. And some fruits other than grapefruit. Health care products are actually unnecessary. I hope I can help you.