May 2022 in “Journal of the American Academy of Dermatology” The document suggests using a topical Vitamin D treatment for hair loss rather than oral supplements and calls for more research.
April 2024 in “The Egyptian Family Medicine Journal/The Egyptian Family Medicine Journal ” Vitamin D supplements significantly improved post-COVID-19 symptoms in deficient patients.
1 citations
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January 2020 in “Инфекционные болезни. Новости, мнения, обучение” Lack of vitamin D might cause hair loss due to autoimmune problems, and fixing vitamin D levels could help treat it.
April 2020 in “El-Minia Medical Bulletin” Low Vitamin D and its receptors might be linked to chronic hair loss in women.
23 citations
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September 2016 in “Archives of Dermatological Research” Vitamin D levels do not affect the risk of developing alopecia areata.
10 citations
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January 2013 in “TURKISH JOURNAL OF MEDICAL SCIENCES” Low vitamin D levels can lead to increased parathyroid hormone levels.
May 2015 in “Immunology Endocrine & Metabolic Agents - Medicinal Chemistry” Vitamin D and calcium are essential for effective wound healing.
21 citations
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December 2001 in “Endocrinology” Expressing the human vitamin D receptor in skin cells prevents hair loss in certain mice.
20 citations
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May 2016 in “Journal of Cosmetic Dermatology” Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
8 citations
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March 2011 in “Endocrine” A new gene mutation causes vitamin D-resistant rickets and hair loss in two siblings.
31 citations
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September 2003 in “International Journal of Dermatology” Vitamin D-dependent rickets Type II causes bone problems and hair loss, and doesn't improve with Vitamin D treatment.
1 citations
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January 2016 in “Dermatology Review” Vitamin D might help treat alopecia areata.
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.
September 2023 in “Diagnostics” Low vitamin D levels may affect ovulation and progesterone in infertile women.
January 2024 in “World Journal of Biology Pharmacy and Health Sciences” High prolactin and low vitamin D levels may be linked to hair loss in women.
January 2024 in “Journal of advanced research in Medical and Health science” People with severe and long-lasting alopecia areata often have low vitamin D levels, and treatments with vitamin D-like substances might help.
March 2006 in “The FASEB Journal” Vitamin D receptor is essential for adult hair growth.
July 2023 in “Current Developments in Nutrition”
31 citations
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January 2007 in “Journal of biological chemistry/The Journal of biological chemistry” Stress activates a special function of the Vitamin D receptor with the help of c-Jun, which can also prevent cell death.
48 citations
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April 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.
Low vitamin D3 and ferritin levels may cause hair loss in pregnant women.
December 2020 in “Our Dermatology Online” Skin biopsies are recommended for confirming alopecia diagnosis due to variability in clinical assessments; the link between vitamin D levels and alopecia is unclear.
4 citations
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January 2020 in “Obstetrics and Gynecology Reports” Obese women with PCOS have lower vitamin D levels.
56 citations
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September 2014 in “Molecular Endocrinology” Vitamin D receptor is essential for hair growth signaling.
November 2025 in “Journal of Investigative Dermatology” Dithranol reduces inflammation in alopecia areata by lowering certain immune responses.
52 citations
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August 1993 in “Clinical endocrinology” Intravenous and oral calcium effectively treated vitamin D dependent rickets type II, improving growth and bone health.
January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
57 citations
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April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor is crucial for starting hair growth after birth.
November 2016 in “The Molecular Biology Society of Japan”