Hair loss can be caused by hormones, illness, autoimmune disorders, or vitamin deficiencies, and treatments vary depending on the type.
May 2021 in “Indian journal of forensic medicine and toxicology” Low levels of iron and vitamin D might be linked to chronic hair loss in women.
April 2023 in “Journal of Cutaneous and Aesthetic Surgery” Using different hair loss treatments at various times can improve results and reduce side effects for people with chronic hair loss.
August 2024 in “IAHS Medical Journal” Low vitamin D and ferritin levels are linked to female hair loss.
2 citations
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March 2018 in “Clinical Nutrition ESPEN” Low vitamin D levels are linked to symptoms like muscle cramps, fatigue, and hair loss.
10 citations
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January 2010 in “PubMed” Adjuvants, diet changes, and laser therapy may improve male pattern hair loss.
1 citations
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April 2021 in “International Journal of Research in Dermatology” Low iron and vitamin B12 levels are common in women with chronic hair loss, while low vitamin D is less common.
October 2023 in “Journal of Preventive Diagnostic and Treatment Strategies in Medicine” Low ferritin and Vitamin D levels may cause hair loss after COVID-19.
April 2020 in “El-Minia Medical Bulletin” Low Vitamin D and its receptors might be linked to chronic hair loss in women.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
400 citations
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January 2014 in “British Journal of Sports Medicine” The consensus provided guidelines for treating the Female Athlete Triad and a system to decide when athletes can return to sports.
3 citations
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August 2005 in “Journal of Pediatric Gastroenterology and Nutrition” The toddler's health issues were caused by too much vitamin A from supplements.
5 citations
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September 2020 in “Journal of The American Academy of Dermatology” Men can experience female pattern hair loss, needing different treatments.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” The treatment improved hair density and scalp coverage in an elderly woman with hair loss.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” The treatment improved hair density and scalp coverage in an elderly woman with hair loss.
October 2022 in “Deleted Journal” Long-term low-dose Vitamin A intake may cause increased brain pressure.
11 citations
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January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
July 2021 in “Al-Azhar Assiut Medical Journal” Low ferritin, vitamin D deficiency, and thyroid problems may contribute to hair loss in some hospital patients in Western Saudi Arabia.
Children with alopecia areata often have low vitamin D, especially if they have darker skin, it's not summer, or they're not White.
February 2025 in “Folia Medica” Low vitamin D levels may be linked to early hair loss in males.
May 2023 in “GLOBAL JOURNAL FOR RESEARCH ANALYSIS” Early onset hair loss is linked to low vitamin D, but severity isn't related to vitamin D levels.
4 citations
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July 2019 in “IOP conference series” Most young men with early gray hair have low vitamin D but normal iron levels.
August 2025 in “Japan Journal of Clinical & Medical Research” Many people in Misurata City have low vitamin D, especially women and those aged 35-45, with levels dropping in winter and spring.
October 2021 in “International Journal of Research in Dermatology” People with alopecia areata often have low vitamin D levels, which may worsen their hair loss.
November 2025 in “Khalij-Libya Journal of Dental and Medical Research” Hair loss is linked to low levels of zinc, vitamin D, and ferritin.
2 citations
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March 2023 in “3C Empresa Investigación y pensamiento crítico” Alopecia areata patients have higher IFN-γ and low vitamin D3 levels.
January 2021 in “International journal of medical science and health research” A patient with sickle cell trait and low vitamin D might have lupus, a rare combination that needs more attention.
1 citations
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February 2022 in “Indian Journal of Nutrition and Dietetics/Indian journal of nutrition and dietetics” Muslim women in Coimbatore with limited sunlight exposure due to cultural dress and lifestyle have low vitamin D levels.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Triamcinolone is more effective for hair regrowth in alopecia areata, but Vitamin D also helps, especially if levels are low.