Evidence supporting the use of: Flavanols (various)
For the body system: Capillaries

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Table of Contents

Synopsis

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

Flavanols, a subclass of flavonoids found in foods such as cocoa, tea, apples, and berries, have garnered significant scientific interest for their potential benefits to vascular health, particularly in supporting capillary function. Several clinical and experimental studies suggest that flavanols can enhance endothelial function, reduce oxidative stress, and improve microcirculatory blood flow. These effects are believed to stem primarily from their ability to increase nitric oxide bioavailability, leading to vasodilation and improved capillary perfusion. For example, randomized controlled trials have shown that consumption of cocoa flavanols results in improved flow-mediated dilation in healthy individuals as well as patients with cardiovascular risk factors. Additionally, flavanols have demonstrated the capacity to reduce capillary fragility and permeability in some studies, potentially benefiting conditions associated with microvascular dysfunction. However, while the evidence is promising, most of the research focuses on general vascular and endothelial health rather than capillaries specifically. The evidence base, although growing, is not yet comprehensive, and many studies are limited by small sample sizes or short durations. Overall, current scientific evidence moderately supports the use of flavanols for capillary health, but further large-scale and long-term studies are needed to confirm these benefits and clarify optimal dosages.

More about flavanols (various)
More about Capillaries

Products containing flavanols (various)

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