A monitering system (2) for monitering a dispensing device (4, 4, 4", 4", 4") is disclosed. The monitering system (2) comprises a communication unit (50, 50, 50", 50", 50"). The communication unit (50, 50, 50", 50", 50") comprises communication means (6) configured to communicate wirelessly with a data management device (8) or a central data management unit (58). The communication unit (50, 50, 50", 50", 50") comprises means for acknowledging and registering when a preseribed dase of a medicine or a dietary supplement has been taken. The monitering system (2) is a separate unit (50) configured to be used with a separate dispensing device (4, 4, 4", 4", 4").
