Can ginger lower blood pressure
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Can Ginger Lower Blood Pressure?
Ginger Supplementation and Blood Pressure Reduction
Systematic Reviews and Meta-Analyses
Several systematic reviews and meta-analyses have investigated the effects of ginger supplementation on blood pressure. A comprehensive meta-analysis of six randomized clinical trials involving 345 participants found that ginger supplementation significantly reduced both systolic blood pressure (SBP) by an average of 6.36 mmHg and diastolic blood pressure (DBP) by 2.12 mmHg. The effects were more pronounced in studies with participants aged 50 years or younger, a follow-up duration of 8 weeks or less, and ginger doses of 3 grams per day or more .
Randomized Controlled Trials
A systematic review of randomized controlled trials (RCTs) highlighted mixed results. One double-blind RCT with 70 diabetic patients found no significant effect of ginger on blood pressure. However, another trial with healthy subjects showed that a 100 mg/kg dose of ginger significantly lowered SBP and DBP within two hours . Another study focusing on type 2 diabetes patients found that while ginger did reduce blood pressure, the results were not statistically significant .
Specific Populations and Conditions
Research on specific populations, such as postpartum hypertensive mothers, has shown promising results. An experimental study with 40 postpartum hypertensive mothers found that red ginger nanoparticle supplementation significantly reduced both SBP and DBP over a two-week period when combined with the antihypertensive drug nifedipine . Similarly, another study on gestational hypertension reported significant reductions in both SBP and DBP with red ginger extract supplementation .
Mechanisms of Action
Calcium Channel Blockade
Ginger's blood pressure-lowering effects are partly attributed to its ability to block voltage-dependent calcium channels. Experimental studies on animals have demonstrated that ginger extract induces a dose-dependent reduction in arterial blood pressure by inhibiting calcium channels, similar to the action of the drug verapamil 57.
Vasodilation and Cardiovascular Effects
Ginger also exhibits vasodilatory effects, which contribute to its hypotensive properties. Studies have shown that ginger extract can relax vascular smooth muscles and reduce vascular resistance, leading to lower blood pressure. This vasodilatory effect is both endothelium-dependent and independent, involving multiple pathways such as muscarinic receptor stimulation and calcium channel blockade 67.
Combined Effects with Other Substances
Ginger and Garlic
A study evaluating the combined effects of ginger and garlic on blood pressure found that both single and combined doses significantly reduced diastolic blood pressure in laboratory animals. The combination also improved lipid profiles, suggesting a cardio-protective effect .
Ginger and Vinegar
In a study involving renovascular hypertensive rats, the combined oral intake of ginger extract and rice vinegar significantly suppressed blood pressure increases. This effect was linked to increased endothelial nitric oxide synthase (eNOS) mRNA expression and nitric oxide (NO) production, which are known to contribute to vasodilation and blood pressure reduction .
Conclusion
The current body of research suggests that ginger supplementation can effectively lower blood pressure, particularly in specific populations and under certain conditions. The mechanisms behind this effect include calcium channel blockade and vasodilation. However, the evidence is not entirely consistent, and further studies are needed to confirm these findings and determine optimal dosages and treatment durations.
Sources and full results
Most relevant research papers on this topic
Does ginger supplementation lower blood pressure? A systematic review and meta‐analysis of clinical trials
Ginger supplementation can reduce systolic and diastolic blood pressure, but more research is needed for definitive conclusions.
133: THE EFFECT OF ZINGIBER OFFICINALE (GINGER) ON HYPERTENSION; A SYSTEMATIC REVIEW OF RANDOMISED CONTROLLED TRIALS
Ginger has potential as a natural alternative to conventional anti-hypertensive agents, but more human trials are needed to confirm this claim and provide more conclusive evidence.
EFFECTIVENESS OF GINGER IN REDUCING PRESSURE LEVELS IN PERSONS WITH DIABETES:
Ginger use was not able to significantly reduce blood pressure levels in people with type 2 diabetes.
Ginger Lowers Blood Pressure Through Blockade of Voltage-Dependent Calcium Channels
Ginger lowers blood pressure by blocking voltage-dependent calcium channels, a potential mechanism for its traditional use in treating hypertension.
Blood pressure lowering and cardio-protective effects of garlic (Allium sativum) and ginger (Zingiber officinale) extracts in some laboratory animals
Garlic and ginger extracts, when combined, significantly improve lipid profile and may have a cardio-protective effect in laboratory animals.
The Effect of Extract Red Gingger (Zingiber Officinale Var. Rubrum) on Reducing the Blood Pressure Level among Maternal with Gestasional Hypertension
Red ginger extract can effectively reduce systolic and diastolic blood pressure in women with gestational hypertension, offering an alternative treatment option.
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