A feeding system for medical patients comprises a storage assembly, dispensing assembly, and extension set including, in part, a reservoir, a pump, a feeding tube, a check valve and an adapter. The reservoir is configured to hold at least one feeding of nutritional substance. The dispensing assembly is connected to the storage assembly and pumps the at least one feeding of nutritional substance from the reservoir to the feeding tube connected to an outlet of the pump. The check valve unit is connected to a second end of the feeding tube by means of a check valve connection point and is configured to allow the flow of nutritional substance in only one direction. The at least one feeding of nutritional substance is passed through the adapter unit connected to the check valve unit.
