Cited by 199Garlic and Onion StudiesBlood Pressure and Hypertension StudiesSodium Intake and Health

Potential of garlic (Allium sativum) in lowering high blood pressure: Mechanisms of action and clinical relevance

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Ried, Karin, Fakler, Peter·2014·Integrated Blood Pressure Control

Abstract

Garlic supplements have shown promise in the treatment of uncontrolled hypertension, lowering blood pressure (BP) by about 10 mmHg systolic and 8 mmHg diastolic, similar to standard BP medication. Aged garlic extract, which contains S-allylcysteine as the bioactive sulfur compound, in particular is standardizable and highly tolerable, with little or no known harmful interaction when taken with other BP-reducing or blood-thinning medication. Here we describe biologically plausible mechanisms of garlic's BP-lowering effect. Garlic-derived polysulfides stimulate the production of the vascular gasotransmitter hydrogen sulfide (H2S) and enhance the regulation of endothelial nitric oxide (NO), which induce smooth muscle cell relaxation, vasodilation, and BP reduction. Several dietary and genetic factors influence the efficiency of the H2S and NO signaling pathways and may contribute to the development of hypertension. Sulfur deficiency might play a part in the etiology of hypertension, and could be alleviated with supplementation of organosulfur compounds derived from garlic.

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  1. [1]World Heart Federation Fact Sheet: Cardiovascular Disease Risk Factors Geneva World Heart Federation 2012 Available from: http://www.world-heart-federation.org/press/fact-sheets/cardiovascular-disease-risk-factors/ Accessed November 12, 2014
  2. [102]Chuah SC Moore PK Zhu YZ S-allylcysteine mediates cardioprotection in an acute myocardial infarction rat model via a hydrogen sulfide-mediated pathway Am J Physiol Heart Circ Physiol 2007 293 5 H2693 H2701 17766469

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Authors
Ried, K., & Fakler, P.
Affiliations
National Institute of Integrative Medicine (AU)
Corresponding author
Ried, Karin
Venue
Integrated Blood Pressure Control
Published
2014-12
Volume
7
Pages
71
ISSN
1178-7104 (ISSN-L)
OpenAlex
W1987743550
Cited by
198
References
137
Citations by year
2026: 10 · 2025: 18 · 2024: 13 · 2023: 21 · 2022: 25 · 2021: 31 · 2020: 20 · 2019: 19 · 2018: 5 · 2017: 13 · 2016: 18 · 2015: 5
FWCI
1.36
Type
journal article
Language
en
Open access
Locations
  • Integrated Blood Pressure Control (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (acceptedVersion)
  • Dove Medical Press (Taylor and Francis Group) (submittedVersion, cc-by-nc)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Garlic and Onion Studies
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
  • Health Sciences › Nursing › Nutrition and Dietetics › Sodium Intake and Health
Keywords
garlic, hypertension, blood pressure reduction, aged garlic extract, S-allylcysteine, polysulfides, hydrogen sulfide, nitric oxide, endothelial function, vasodilation, smooth muscle relaxation, sulfur deficiency, organosulfur compounds, dietary factors, genetic factors

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