5 citations
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May 2018 in “Journal of the American Academy of Dermatology” This study found no significant correlation between vitamin D levels and disease severity in alopecia areata patients, highlighting the need for further research on vitamin D supplementation's effects.
29 citations
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December 2017 in “International Journal of Dermatology” This study found that vitamin D deficiency in patients with alopecia areata was associated with greater disease severity and longer duration, but not with disease pattern or vitamin D receptor expression.
32 citations
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December 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have low vitamin D levels.
28 citations
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April 2017 in “Journal of cosmetic dermatology” This study found that while vitamin D deficiency is not the sole cause of alopecia areata, it may worsen the disease, suggesting supplementation could help in pediatric cases.
13 citations
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December 2016 in “Egyptian Journal of Basic and Applied Sciences” This study found that patients with alopecia areata had significantly lower serum levels of 25-hydroxy vitamin D compared to control subjects.
20 citations
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May 2016 in “Journal of Cosmetic Dermatology” This study suggests that lower serum and tissue vitamin D receptor levels in alopecia areata and androgenetic alopecia patients may play a role in the pathogenesis of these hair diseases.
3 citations
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January 2015 in “Journal of the Egyptian Womenʼs Dermatologic Society” 105 citations
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March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” In this study, patients with alopecia areata were found to have significantly lower serum vitamin D levels compared to those with vitiligo and healthy individuals, with lower levels correlating with increased disease severity.
14 citations
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January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” 54 citations
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January 2012 in “Vitamins & Trace Elements” This study found significantly lower serum vitamin D concentrations in patients with alopecia areata compared to healthy controls, suggesting that vitamin D deficiency may be a risk factor for this autoimmune hair loss disease.