Garlic and Blood Pressure: A Review
Author Information
Author(s): Karin Ried, Frank Oliver R, Nigel P Stocks, Peter Fakler, Thomas Sullivan
Primary Institution: The University of Adelaide
Hypothesis
Does garlic supplementation reduce blood pressure in individuals with hypertension?
Conclusion
Garlic preparations are effective in reducing blood pressure in individuals with hypertension compared to placebo.
Supporting Evidence
- Garlic reduced systolic blood pressure by an average of 4.6 mm Hg compared to placebo.
- In hypertensive individuals, garlic reduced systolic blood pressure by 8.4 mm Hg.
- Garlic showed a significant effect on diastolic blood pressure in hypertensive individuals.
Takeaway
Eating garlic can help lower blood pressure, especially for people who have high blood pressure.
Methodology
A systematic review and meta-analysis of randomized controlled trials comparing garlic preparations to placebo.
Potential Biases
Potential bias due to funding sources and loss to follow-up in some studies.
Limitations
Some studies had high dropout rates and incomplete data.
Participant Demographics
Participants included individuals with hypertension and normotension, with varying baseline blood pressure levels.
Statistical Information
P-Value
0.001
Confidence Interval
[95% CI, -7.36, -1.77]
Statistical Significance
p < 0.001
Digital Object Identifier (DOI)
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