29 citations
,
December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
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.
7 citations
,
February 2022 in “Journal of Cosmetic Dermatology” Injecting vitamin D3 into the skin is an effective treatment for patchy hair loss.
7 citations
,
January 2019 in “Indian dermatology online journal” People with alopecia areata often have lower vitamin D levels, which may be linked to the condition's severity.
7 citations
,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.
May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Vitamin D3 is a safe and effective alternative to steroids for treating alopecia areata, with fewer side effects.
May 2021 in “Indian journal of forensic medicine and toxicology” Females with androgenic alopecia have significantly lower vitamin D3 and ferritin levels.
5 citations
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December 2024 in “Journal of Cosmetic Dermatology” Vitamin D and zinc may help treat alopecia areata.
4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
1 citations
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May 2017 in “Journal of The American Academy of Dermatology” People with alopecia areata often have lower vitamin D levels than healthy people.
Low vitamin D3 and ferritin levels may cause hair loss in pregnant women.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female hair loss.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
77 citations
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April 1968 in “Development” Excess vitamin A can cause hair follicles to change into gland-like structures.
10 citations
,
January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.
1 citations
,
January 2018 in “Journal of clinical & experimental dermatology research” The study found no link between vitamin D deficiency and psoriasis but suggests more research is needed.
37 citations
,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
36 citations
,
January 2017 in “Journal of Obstetrics and Gynaecology Research” The review found no clear link between vitamin D receptor gene variations and polycystic ovary syndrome.
11 citations
,
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.
10 citations
,
May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
6 citations
,
August 2020 in “Dermatology and Therapy” People with Alopecia Areata often have lower vitamin D levels, and vitamin D supplements might help treat it.
2 citations
,
April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
2 citations
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June 2018 in “Sudan journal of medical sciences” Low vitamin D levels can cause hair loss and supplements may improve it.
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.
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.
September 2023 in “Diagnostics” Low vitamin D levels may affect ovulation and progesterone in infertile women.
2 citations
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September 2021 Patients with alopecia areata may have lower vitamin D levels than healthy people.
October 2025 in “Medical Journal of Babylon” Higher testosterone and lower Vitamin D levels are linked to hair loss in female COVID-19 patients.
November 2023 in “Journal of Cosmetic Dermatology” People with non-scarring hair loss often have lower vitamin D levels than those without hair loss.
January 2020 in “Journal of quality in health care & economics” Most women with depression in the study had low vitamin D levels.