QuercetinIntroductionQuercetin is a compound that gives plants and foods their color. It is found in onions, berries, and teas. Quercetin has been used to improve heart health and athletic performance. It has also been used as an antioxidant to help slow damage to cells. Quercetin can be taken as a pill or powder. It can also be injected into the bloodstream by a healthcare provider. Dosages500 milligrams 1 to 2 times daily What Research ShowsLikely Effective
May Be Effective
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process. Safety NotesIt is likely safe to take quercetin in small doses for a short time. Not enough studies have been done to say whether it is safe to take for a long period. It is also not known whether it is safe to take by women who are pregnant or breastfeeding.D1 Interactions Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse. References►A. High Blood Pressure A1. Serban MC, Sahebkar A, et al. Effects of Quercetin on Blood Pressure: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Am Heart Assoc. 2016;5(7):e002713. B. Metabolic Syndrome B1. Ostadmohammadi V, Milajerdi A, et al. Effects of quercetin supplementation on glycemic control among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials. Phytother Res. 2019 May;33(5):1330-1340. C. Upper Respiratory Tract Infection C1. Heinz SA, Henson DA, et al. Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial. Pharmacol Res. 2010;62(3):237-242. D. Safety D1. Andres S, Pevny S, et al. Safety Aspects of the Use of Quercetin as a Dietary Supplement. Mol Nutr Food Res. 2018 Jan;62(1). Last reviewed September 2019 by EBSCO NAT Review Board
Eric Hurwitz, DC Last Updated: 4/10/2020 | |
EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation. This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition. To send comments or feedback to our Editorial Team regarding the content please email us at healthlibrarysupport@ebsco.com. Our Health Library Support team will respond to your email request within 2 business days. | |
Home |Terms and Conditions |Concerned About Privacy? |Accessibility |Careers |For Employers and Medical Plan Providers
Copyright © 2011 Caremark, L.L.C.
You may also be looking for: CVS/pharmacy | MinuteClinic | Specialty Pharmacy | SilverScript | Accordant