Evidence supporting the use of: Vitamin C (unspecified)
For the health condition: Capillary Weakness

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Synopsis

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

Vitamin C, also known as ascorbic acid, has scientific validation for its role in supporting capillary strength and integrity. Vitamin C is essential for the synthesis of collagen, a structural protein that is an important component of blood vessel walls, including capillaries. Deficiency of vitamin C leads to scurvy, a disease characterized by weakened blood vessels, bleeding gums, and easy bruising, which are direct results of impaired collagen synthesis and capillary fragility. Several clinical and laboratory studies have demonstrated that supplementation with vitamin C can help restore normal capillary function in individuals with deficiency. There is also some evidence from small clinical trials and case reports that vitamin C supplementation may reduce capillary fragility and the tendency toward easy bruising, even in people without frank scurvy, although the data are not robust and larger studies are lacking.

Because vitamin C deficiency is rare in most developed countries, routine supplementation for capillary weakness is not generally recommended unless a deficiency is present or suspected. However, the biological plausibility and direct evidence from deficiency states provide a moderate level of support for its use. Thus, while vitamin C is not a cure-all, its role in collagen formation and blood vessel health is well established in scientific literature.

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