9 – Vitamin D supplements
Several studies have shown that taking a vitamin D supplement can help ward off eczema flare-ups. As one 2015 reviewTrusted Source notes, vitamin D is known to improve both the immune system and skin barrier function, so it makes sense that people with a vitamin D deficiency might be more likely to experience eczema.
After reviewing numerous studies, the review concluded that more well-conducted research was needed before any conclusions could be drawn. However, based on the studies and anecdotal evidence included in the review, itโs very possible that taking a vitamin D supplement could improve your symptoms.
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