Lack of appetite in sick, elderly or immobilized people is one of the basic problems that the patient or their caregiver has to deal with. To improve appetite, vitamin supplements in the form of syrups for adults or children can be used. If the problem is serious, after consulting a doctor, you can start therapy with drugs based on megestrol (in people undergoing chemotherapy) or cyproheptadine (in people suffering from anorexia).