Epidemiological studies have demonstrated that diabetes mellitus (DM) is a serious health burden for both governments and healthcare providers. Myricetin, a natural flavonol with hydroxyl groups at 3, 5, 7, 3, 4 and 5 positions, is commonly ingested through human diets such as fruits,vegetables, tea, berries and red wine. Although few epidemiological and clinical studies have reported the h…