Evidence supporting the use of: Vitamin C (ascorbic acid)
For the body system: Capillaries

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Vitamin C (ascorbic acid) has scientific support for its role in maintaining capillary health. It is an essential cofactor in the synthesis of collagen, a protein that is a primary structural component of blood vessels, including capillaries. Collagen provides strength and flexibility to the vascular walls, making them less prone to rupture or leakage. Deficiency in vitamin C leads to weakened capillary walls, which can result in easy bruising, bleeding gums, and petechiae—classic symptoms of scurvy, a disease caused by severe vitamin C deficiency.

Numerous human and animal studies have demonstrated that adequate vitamin C intake helps maintain the integrity of blood vessels. Clinical evidence shows that supplementation can reduce capillary fragility and bleeding tendencies in vitamin C-deficient individuals. Furthermore, epidemiological data suggest that higher vitamin C intake is associated with better vascular health and reduced risk of hemorrhagic complications. While vitamin C supplementation does not have a substantial effect on capillary health in individuals with adequate intake, its role in supporting and maintaining capillary structure, especially in deficiency states, is well-established and validated by decades of research.

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