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.
23 citations
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January 2016 in “International Journal of Trichology” Women with female pattern hair loss have lower Vitamin D3 levels.
18 citations
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March 2016 in “Journal of Investigative Dermatology” Vitamin D and calcium are essential for normal hair growth.
17 citations
,
April 2007 in “Kidney international” Vitamin D boosts a specific gene activity in kidney cells that could improve heart and kidney function.
16 citations
,
October 1987 in “British journal of dermatology/British journal of dermatology, Supplement” A vitamin D3 compound can reduce skin cell growth.
14 citations
,
November 2005 in “Life sciences” Vitamin D3 may protect rat hair follicles from radiation damage.
14 citations
,
January 2019 in “PubMed” Vitamin D might be involved in the development of alopecia areata and could help in its treatment.
13 citations
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April 2019 in “Actas Dermo-Sifiliográficas” Vitamin D is important for skin health, but more research is needed to understand its full effects and treatment potential.
13 citations
,
December 2012 in “Frontiers in bioscience” Vitamin D and estrogen may help protect heart and kidney health, and maintaining sufficient vitamin D levels could be especially beneficial for African Americans, postmenopausal women, and people with chronic kidney disease.
11 citations
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March 2015 in “Life sciences” Vitamin D3-activated cell byproduct promotes hair growth in mice by increasing blood vessel growth.
11 citations
,
June 1996 in “Nutrition” Vitamin D3 may prevent hair loss from chemotherapy, but side effects and cancer cell protection are concerns.
7 citations
,
February 2022 in “Journal of Cosmetic Dermatology” Injecting vitamin D3 into the skin is an effective treatment for patchy hair loss.
6 citations
,
August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
4 citations
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May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
4 citations
,
January 2020 in “Obstetrics and Gynecology Reports” Obese women with PCOS have lower vitamin D levels.
4 citations
,
January 2017 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Two different mutations in the vitamin D receptor gene cause different symptoms and responses to treatment in Lebanese patients with hereditary rickets.
3 citations
,
August 2024 in “Middle East Fertility Society Journal” Vitamin D may help improve hormone levels in women with PCOS.
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.
2 citations
,
September 2022 in “Frontiers in Nutrition” High-dose vitamin D3 does not improve symptoms or quality of life in COVID-19 patients after one year.
2 citations
,
February 1990 in “PubMed” DDR-II hair follicle cells don't respond to 1, 25-dihydroxyvitamin D3, aiding diagnosis.
2 citations
,
November 2024 in “Journal of Clinical Medicine” Vitamin D3 deficiency can worsen psoriasis by promoting Candida overgrowth.
2 citations
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November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
November 2025 in “Fayoum University Medical Journal/Fayoum University Medical Journal ” Intralesional vitamin D3 injections can improve vitamin D3 levels and may help treat alopecia areata.
November 2025 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” A combined treatment with microneedling and vitamin D3 led to complete hair regrowth in a woman with stubborn patch alopecia areata.
August 2025 in “Zanco Journal of Medical Sciences” Both steroid and vitamin D3 treatments are safe and effective for patchy alopecia areata, with steroids showing slightly better results.
July 2025 in “International Journal of Trichology” Intralesional methotrexate and triamcinolone acetonide are more effective than Vitamin D3 for treating alopecia areata.
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.
January 2025 in “SKIN The Journal of Cutaneous Medicine” Calcipotriol's effectiveness for treating alopecia areata is unclear and needs more research.
December 2024 in “International Journal of Advanced Research” Metformin and vitamin D3 help manage insulin resistance and hormonal imbalances in obese PCOS patients.