April 2026 in “Annals of Medicine” Low vitamin D levels are linked to Alopecia Areata.
37 citations
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October 2006 in “Archives of Biochemistry and Biophysics” A unique gene mutation causes vitamin D-resistant rickets without causing hair loss.
December 2021 in “Journal of pharmaceutical research international” Many women in Saudi Arabia need to take more vitamin D to help prevent hair loss.
9 citations
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June 2019 in “Archives of Dermatological Research” Both topical calcipotriol and narrowband UVB improved alopecia, but combining them didn't enhance the effect on hair loss severity, despite higher vitamin D3 levels.
5 citations
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May 2023 in “Frontiers in immunology” Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.
May 2023 in “Elsevier eBooks” Some nutritional supplements may help thicken hair in people with hair loss, but taking too much can cause side effects.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
Calcitriol and metformin together are more effective for treating PCOS and lowering MCP-1 than metformin alone.
10 citations
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January 2025 in “Frontiers in Nutrition” A high dietary antioxidant index may lower the risk of various diseases, but more research is needed.
1 citations
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November 2022 in “Molecules/Molecules online/Molecules annual” Some calcium supplements have more calcium than their labels say, and a few have less.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
October 2021 in “Journal of Advanced Biomedical and Pharmaceutical Sciences” Vitamin D helps improve PCOS by aiding insulin function and ovarian health.
January 1939 in “Münchener medizinische Wochenschrift” 16 citations
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May 2006 in “The Journal of Dermatology” Peeling skin syndrome was successfully treated with a vitamin D cream.
18 citations
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June 2001 in “Journal of Investigative Dermatology” Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
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.
August 2013 in “Pharmacy Today” Viviscal may modestly improve hair loss in women without adverse effects.
3 citations
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March 2019 in “Fayoum University Medical Journal/Fayoum University Medical Journal ” Rubbing calcipotriol on the skin works better than taking vitamin D pills for treating mild to moderate alopecia areata.
Vitamin D receptor actions without binding are crucial for healthy skin and hair.
14 citations
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January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” 57 citations
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August 1997 in “Pediatrics International” VDDR I and II are genetic disorders affecting vitamin D use, causing rickets, with VDDR I treatable by vitamin D supplements and VDDR II needing high doses and calcium.
March 2025 in “Institutional Repositories DataBase (IRDB)” The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Men with early baldness often have low vitamin D levels.
25 citations
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August 2016 in “Journal of Cosmetic Dermatology” The marine complex supplement significantly improved hair growth in men with thinning hair without adverse effects.
13 citations
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July 2020 in “World journal of stem cells” Vitamin D and calcium are important for skin stem cell function and wound healing.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
3 citations
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October 2024 in “Archives of Dermatological Research” Salivary vitamin D and IL-6 could help diagnose and manage non-scarring alopecia.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
October 2025 in “Journal of the Endocrine Society” Stopping Viviscal, a hair loss product, normalized the woman's elevated alkaline phosphatase levels.