Fifteen patients with diabetes mellitus were treated with Artemisia herba-alba Asso. extract (AHE). Results showed that AHE caused considerable lowering of elevated blood sugar and 14 out of 15 patients had good remission of diabetic symptoms with use of AHE. It is concluded that AHE contains material capable of reducing raised blood sugar in diabetes mellitus. No side effects were recorded during or after treatment with AHE.