Key result
Garlic preparations significantly lower blood pressure in hypertensive patients across reviewed literature.
Why the study?
Hypertension is a growing global health problem and garlic has attracted attention as a natural treatment for lowering blood pressure in hypertensive patients.
Does garlic lower blood pressure in individuals with hypertension?
Does garlic lower blood pressure in individuals with hypertension?
Literature suggests garlic effectively lowers blood pressure in hypertensive patients, primarily through the vasodilatory, antioxidant, and anti-inflammatory actions of allicin.
May support garlic as adjunctive hypertension therapy; leaves open confirmation in prospective RCTs before practice change.
Introduction: Hypertension, or high blood pressure, is a global health problem whose prevalence continues to increase from year to year. The World Health Organization (WHO) reports that hypertension is one of the leading causes of death from cardiovascular disease worldwide. According to WHO data, approximately 1.28 billion adults aged 30–79 years suffer from hypertension globally. One natural ingredient that has attracted attention in the treatment of hypertension is garlic (Allium sativum). Thus, this paper aims to examine the effectiveness of garlic as a blood pressure-lowering drug in patients with hypertension and its underlying mechanism of action. Methods: A comprehensive review of relevant studies was conducted, analyzing findings related to hypertension management, barriers to treatment, and the role of healthcare professionals and complementary therapies in improving patient compliance. This study used search engines and databases. Result: The analyzed research findings consistently demonstrate that garlic has significant potential in lowering blood pressure among individuals with hypertension. Conclusion: Garlic (Allium sativum Linn.) has proven to be significantly effective in reducing blood pressure among hypertensive patients in various preparations such as extracts, decoctions, and infusions, primarily through the action of allicin as a vasodilator, antioxidant, and anti-inflammatory agent.
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Sari et al. (2025) conducted a review in Hypertension. Garlic (Allium sativum) was evaluated on Blood pressure reduction. A literature review demonstrates that garlic in various preparations is significantly effective in reducing blood pressure among hypertensive patients.
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