105 citations,
March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
48 citations,
May 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.
16 citations,
March 2015 in “Wiener Klinische Wochenschrift” Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.
5 citations,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
3 citations,
February 2022 in “Journal of the American Academy of Dermatology” Black patients with a specific type of hair loss have a much higher chance of lacking enough vitamin D.