Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Quercetin is a flavonoid found in various fruits and vegetables and has been investigated for its potential vascular and circulatory benefits. The scientific rationale for using quercetin to support circulation is primarily based on its antioxidant, anti-inflammatory, and vasodilatory effects observed in preclinical and some clinical studies. Quercetin can enhance endothelial function by increasing nitric oxide (NO) availability, which promotes vasodilation and improves blood flow. It also helps reduce oxidative stress and inflammation, both of which are implicated in poor circulation and vascular dysfunction.

Several small-scale human studies and animal experiments have shown that quercetin supplementation may lead to improved endothelial function and lower blood pressure, both of which can theoretically benefit overall circulation. For example, a 2011 meta-analysis (Egert et al., British Journal of Nutrition) found modest reductions in blood pressure with quercetin supplementation. However, robust, large-scale clinical trials specifically targeting individuals with "poor circulation" are lacking, and thus evidence is not definitive. Most research focuses on surrogate markers like blood pressure or endothelial function rather than direct measures of peripheral circulation.

Overall, while there is some scientific support for the use of quercetin to improve aspects of vascular health that relate to circulation, the evidence is not strong or conclusive. Further well-designed studies are needed before quercetin can be fully recommended for treating poor circulation.

More about quercetin
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Other health conditions supported by quercetin

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