7 citations
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January 2016 in “Hair therapy & transplantation” This study reported significantly lower levels of serum iron, ferritin, and calcium in young patients with premature gray hair compared to controls, implying that supplementation might prevent further graying.
June 2025 in “Public Health of Indonesia” This study found that women with chronic telogen effluvium had significantly lower levels of zinc, calcium, vitamin D, and ferritin compared to healthy women without hair loss, suggesting that monitoring and restoring these micronutrients may be crucial in managing this condition.
December 2021 in “Dermatology research” This study found that individuals with premature graying of hair had significantly lower serum levels of vitamin B12, ferritin, and calcium compared to those without premature graying.
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.
6 citations
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August 2020 in “Dermatology and Therapy” This study found that patients with alopecia areata had significantly lower serum vitamin D levels and higher odds of vitamin D deficiency, but no significant difference in serum calcium levels, compared to controls.