Synopsis

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

Cyanidin is a type of anthocyanin, a class of naturally occurring polyphenol pigments found in many fruits and vegetables, especially those with red, purple, or blue hues such as berries and cherries. Scientific evidence suggests that cyanidin and related anthocyanins may support capillary health. Several in vitro and in vivo studies have demonstrated that cyanidin possesses strong antioxidant properties, helping to reduce oxidative stress on endothelial cells lining blood vessels, including capillaries. Some research indicates that cyanidin can help stabilize capillary walls, reduce capillary permeability, and enhance microcirculation. For example, studies on anthocyanin-rich extracts (often containing cyanidin) have shown beneficial effects in conditions associated with capillary fragility, such as chronic venous insufficiency and diabetic microangiopathy. However, most evidence comes from studies on complex extracts rather than isolated cyanidin, and human clinical trials are relatively limited. Thus, while scientific rationale exists for its use in supporting capillary health, the evidence is not yet definitive and is rated as moderate (3 out of 5). Further research, particularly well-designed human trials focusing on isolated cyanidin, is needed to clarify its efficacy and optimal dosage for capillary support.

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