Synopsis

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

Vitamin C (ascorbic acid) is scientifically recognized for its essential role in collagen synthesis and maintenance of connective tissue integrity, including that of blood vessels. Deficiency in vitamin C leads to scurvy, a condition that classically presents with bleeding symptoms such as gum bleeding, petechiae, and internal hemorrhages. This is due to weakened vascular walls resulting from impaired collagen synthesis. Supplementation with vitamin C is an established treatment for scurvy, rapidly reversing bleeding symptoms in affected individuals. However, in individuals with normal vitamin C status, there is limited scientific evidence that additional vitamin C supplementation prevents or treats internal bleeding from other causes, such as trauma, surgery, or coagulopathies. Most clinical guidelines restrict vitamin C use for bleeding to cases of established deficiency. Some small studies and case reports have suggested that vitamin C may support vascular integrity in critically ill patients or those with chronic diseases, but data are insufficient to recommend its use for internal bleeding outside the context of deficiency. Therefore, while there is clear scientific rationale for vitamin C in treating bleeding due to deficiency, evidence for broader application to internal bleeding is weak.

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