Evidence supporting the use of: Garlic bulb
For the body system: Capillaries

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Garlic bulb (Allium sativum) has a long history of use in traditional medicine for cardiovascular support, including the maintenance of healthy capillaries and blood vessels. Scientifically, garlic contains organosulfur compounds such as allicin, which have been studied for their effects on vascular health. Several clinical and preclinical studies suggest that garlic supplementation can promote vasodilation, improve endothelial function, and reduce arterial stiffness. These effects may indirectly support the capillary system by enhancing microcirculation and preserving capillary integrity.

A 2013 meta-analysis in the journal Nutrition found that garlic supplementation led to modest reductions in blood pressure, which is relevant since high blood pressure can damage capillaries. Other studies have shown that garlic may reduce inflammation and oxidative stress within blood vessel walls, further supporting vascular health. However, most research focuses on arteries and overall cardiovascular effects rather than specifically on capillaries. Evidence for direct effects on capillaries in humans is limited, but improved microvascular function has been observed in animal models.

In summary, while the evidence for garlic supporting capillary health is not robust and mostly extrapolated from its general vascular benefits, there is some scientific basis for its use in this context. The evidence is moderate (rated 3/5), primarily due to supportive data on vascular health and microcirculation rather than direct clinical studies on capillaries.

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