Nickan Research Institute Journal of Renal Injury Prevention 2345-2781 6 3 2017 09 01 Ameliorative impact of cinnamon against high blood pressure; an updated review 171 176 10.15171/jrip.2017.33 EN Leila Mahmoodnia Esmat Aghadavod Mahmoud Rafieian-Kopaei REVIEW 10.15171/jrip.2017.33 High blood pressure (BP) or hypertension is a vital people health challenge in both developed countries and economically developing ones. By commencing a few novel food habits, containing counting calories and observing portion sizes, individuals can lower their BPs and modulate administered drugs to regulator high BP better. Additionally, some herbal drugs may be able to lower BP. Over the past centuries, cinnamon has been consumed as a traditional remedy in China. Cinnamon, the everlasting tree of tropical medication, belongs to the Lauraceae clan. In fact, cinnamon is one of the most main spices consumed daily by people globally. The accessible in vitro and preclinical data suggest that cinnamon has anti-antioxidant, anti-inflammatory, antitumor, antimicrobial, cholesterol-lowering, cardiovascular protecting, and immuno-modulatory effects. Likewise, numerous researches have demonstrated its beneficial effects on BP. In this review, therapeutic effects of cinnamon particularly on BP and on patients having type II diabetes mellitus will be reviewed.