Synopsis

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

Mineral ascorbate refers to mineral salts of ascorbic acid (vitamin C), such as sodium ascorbate or calcium ascorbate. Vitamin C is well known for its role in collagen synthesis, an essential protein for maintaining the structural integrity of blood vessels, including capillaries. Scientific studies have shown that vitamin C deficiency leads to weakened capillary walls, increased capillary fragility, and bleeding (as seen in scurvy). Supplementation with vitamin C—including mineral ascorbate forms—helps prevent these issues by supporting normal collagen formation.

Beyond deficiency prevention, some clinical and laboratory studies suggest that adequate vitamin C intake can reduce capillary fragility in certain populations, such as individuals with chronic venous insufficiency or easy bruising. Mineral ascorbates are sometimes preferred because they are less acidic and may cause less gastrointestinal irritation compared to pure ascorbic acid.

However, while the connection between vitamin C and capillary health is well established, direct evidence from controlled trials using mineral ascorbate specifically for capillary support is limited. Most of the scientific support comes from broader research on vitamin C in general, rather than mineral ascorbate forms in particular. Thus, while the use is scientifically supported, the evidence specific to mineral ascorbate is moderate rather than strong.

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