Hypertension, also known as high blood pressure, is a condition in which the blood vessels have persistently raised pressure.
Garlic (Allium sativum) is a vegetable that has been used as a natural blood-pressure-lowering remedy since ancient times.
Allicin, the main active compound in garlic, is thought to be largely responsible for garlic’s blood-pressure-lowering properties.
Research suggests that allicin may help reduce blood pressure by preventing the production of angiotensin II, enhancing the availability of nitric oxide, or increasing the production of hydrogen sulfide.
Experts believe that garlic’s anti-inflammatory and antioxidant properties may further contribute to garlic’s ability to reduce or prevent rises in blood pressure levels.
However, large intakes of garlic may thin the blood and increase the risk of bleeding when combined with anti-coagulant medication.
If you’re currently taking medications, speak with your healthcare provider before drastically increasing your garlic intake.
References:
Ried, K. (2016). Garlic lowers blood pressure in hypertensive individuals, regulates serum cholesterol, and stimulates immunity: an updated meta-analysis and review. The Journal of nutrition, 146(2), 389S-396S.
Xiong, X. J., Wang, P. Q., Li, S. J., Li, X. K., Zhang, Y. Q., & Wang, J. (2015). Garlic for hypertension: A systematic review and meta-analysis of randomized controlled trials. Phytomedicine, 22(3), 352-361.