Synopsis

Source of validity: Scientific
Rating (out of 5): 1

Vitamin C (ascorbic acid) has some scientific rationale for its use in supporting skin health due to its roles in collagen synthesis, antioxidant defense, and immune modulation. However, evidence directly supporting the use of Vitamin C to treat or significantly improve eczema (atopic dermatitis) is very limited and weak. Some small studies and case reports have suggested that antioxidants, including Vitamin C, may help reduce oxidative stress associated with eczema, potentially alleviating symptoms. For example, a 2012 study (Acta Dermato-Venereologica) found that a combination of Vitamin C and Vitamin E supplementation reduced oxidative stress in children with atopic dermatitis, but there was no significant improvement in clinical symptoms compared to placebo. Most clinical guidelines and dermatology organizations do not recommend Vitamin C as a primary or adjunctive treatment for eczema due to a lack of robust evidence. Most recommendations for Vitamin C in eczema management are extrapolated from its general benefits in skin health and immune support, not from direct clinical trials. In summary, while there is some scientific reasoning and preliminary research, current evidence does not strongly support Vitamin C supplementation as an effective treatment for eczema.

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