Strong evidenceherb
Garlic for High Blood Pressure
S-allylcysteine promotes vasodilation, enhances nitric oxide production, and inhibits ACE.
How strong is the research?
Strong evidence
Based on a meta-analysis of multiple studies — the highest level of research evidence.
Research source
SourceXiong XJ et al. · BMC Cardiovasc Disord 2015How much to take
600–1200 mg
Aged garlic extract preferred. Effects seen at 8-12 weeks. Average reduction 8-10 mmHg systolic.