May 2021 in “Indian journal of forensic medicine and toxicology” Females with androgenic alopecia have significantly lower vitamin D3 and ferritin levels.
The levels of zinc, vitamin D, ferritin, and selenium are different in people with androgenic alopecia compared to a control group.
July 2023 in “Dermatology practical & conceptual” Low hemoglobin levels are significantly correlated with hair loss in women with Telogen Effluvium.
29 citations,
December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
24 citations,
November 2008 in “Arquivos Brasileiros de Endocrinologia & Metabologia” Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.