2 citations
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June 1972 in “PubMed” June 2026 in “Scholars Journal of Medical Case Reports” This retrospective study found that intravenous iron therapy significantly improved hair loss in most patients with iron deficiency, achieving complete resolution in 60%, partial improvement in 36%, and persistent hair loss in only 4% after three months.
Low vitamin C caused bleeding and corkscrew hair, resolved with vitamin C treatment.
18 citations
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March 2016 in “Journal of Investigative Dermatology” This study found that calbindin-D9k knockout mice on a maternal vitamin D-deficient and low-calcium diet developed transient alopecia, but a high-vitamin D and calcium diet in mothers reduced this effect.