Enteral Nutrition All people need food to live. Sometimes a person cannot eat any or enough food because of an illness. Others may have a decreased appetite, difficulties in swallowing, or some type of surgery that interferes with eating. When this occurs, and one is unable to eat, nutrition must be supplied in a different way. One method is Enteral Nutrition or “tube feeding.” We carry nutritional drinks from Abbott Nutrition and Nestle. We .