class III if they, or their products of metabolism, are systemically absorbed by the human body in order to achieve the intended purpose;
is in aicme III atá siad aicmithe má ionsúnn corp an duine iad go sistéamach nó má ionsúnn sé a gcuid táirgí meitibileachta d'fhonn an chríoch a beartaíodh dóibh a bhaint amach;