Evidence supporting the use of: Leucoanthocyanins
For the health condition: Bruises (prevention)

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Synopsis

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

Leucoanthocyanins, also known as proanthocyanidins or condensed tannins, are a group of polyphenolic compounds found in various plants such as grapes, pine bark, and certain berries. Their use for supporting or treating bruises is rooted primarily in traditional and herbal medicine, particularly in European phytotherapy. Historically, extracts rich in proanthocyanidins—such as those derived from horse chestnut, grape seed, or French maritime pine bark—have been used to treat disorders related to capillary fragility, venous insufficiency, and edema, which can be associated with a tendency to bruise.

The rationale behind their use is that leucoanthocyanins are believed to strengthen capillary walls, reduce permeability, and exhibit antioxidant effects, thereby potentially reducing the severity and frequency of bruising. However, while there is some scientific evidence that proanthocyanidin-rich extracts can improve venous tone and capillary resistance, direct clinical trials specifically evaluating their efficacy in preventing or treating bruises are lacking. Most evidence is extrapolated from studies on chronic venous insufficiency and capillary fragility rather than acute bruising.

Therefore, the use of leucoanthocyanins for bruises is primarily justified by traditional use and some indirect scientific rationale, but robust clinical evidence for this specific indication is limited. The overall quality of evidence supporting this traditional use can be considered low to moderate (rated 2/5).

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Products containing Leucoanthocyanins

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