Evidence supporting the use of: Bioflavonoid
For the body system: Capillaries

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Synopsis

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

Bioflavonoids, also known as flavonoids, are a diverse group of plant compounds found in fruits, vegetables, and certain beverages. Their use to support capillary health has scientific backing. Several studies have shown that bioflavonoids, particularly a subgroup called flavonols (such as quercetin and rutin), can help maintain capillary integrity and reduce capillary fragility. For example, research from the mid-20th century documented the ability of rutin to decrease bleeding time and improve symptoms in conditions associated with capillary fragility, such as chronic venous insufficiency and hemorrhoids. The mechanism is believed to involve antioxidant activity, inhibition of enzymes that degrade connective tissue, and improvement of endothelial function. Clinical trials have demonstrated that certain bioflavonoid preparations, often in combination with vitamin C, reduce capillary permeability and improve clinical outcomes in patients with vascular disorders. However, while the evidence base is moderate and supports some efficacy, it is not as robust as for pharmaceutical interventions. Thus, bioflavonoids are considered a supportive measure rather than a primary treatment. Overall, the use of bioflavonoids for capillary health is justified by both historical practice and a moderate degree of scientific validation.

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