4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
September 2023 in “Diagnostics” Low vitamin D levels may affect ovulation and progesterone in infertile women.
March 2023 in “Pakistan Journal of Medical and Health Sciences” Low vitamin D levels are linked to higher rates of hair loss in women.
11 citations
,
January 2014 in “Egyptian Journal of Dermatology and Venereology” Women losing hair might have lower levels of vitamin D.
2 citations
,
September 2021 Patients with alopecia areata may have lower vitamin D levels than healthy people.
2 citations
,
April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
September 2025 in “Journal of Dhaka Medical College” Lower vitamin D levels are linked to more severe alopecia areata.
April 2025 in “Egyptian Journal of Medical Research” People with Telogen Effluvium have lower vitamin D levels.
January 2023 in “International journal of dermatology, venereology and leprosy sciences” Low levels of vitamin D and ferritin may increase the risk of female pattern hair loss.
January 2021 in “İzmir Dr.Behçet Uz çocuk hastanesi dergisi” Children with Alopecia Areata often have lower vitamin D and B12 levels and higher thyroid activity.
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.
3 citations
,
January 2015 in “Journal of the Egyptian Womenʼs Dermatologic Society”
January 2020 in “Turkiye Klinikleri Journal of Dermatology” People with chronic hair shedding had much lower vitamin D levels compared to healthy people.
5 citations
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January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
January 2019 in “Egyptian Journal of Dermatology and Venereology /Egyptian Journal of Dermatology and Venerology” Low vitamin D levels might indicate more severe hair loss in alopecia areata 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.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female hair loss.
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.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Check and treat low iron and vitamin D levels in people with hair loss.
13 citations
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December 2016 in “Egyptian Journal of Basic and Applied Sciences” Alopecia areata patients have lower vitamin D levels than healthy individuals.
10 citations
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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.
April 2026 in “Annals of Medicine” Low vitamin D levels are linked to Alopecia Areata.
January 2017 in “Turkiye Klinikleri Journal of Dermatology” Low vitamin D levels, not ferritin levels, were found in patients with hair loss condition telogen effluvium.
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.
1 citations
,
June 2021 in “International Journal of Dermatology” People with alopecia areata had lower vitamin D levels, but these levels didn't relate to many aspects of the condition.
105 citations
,
March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
19 citations
,
December 2008 in “Medical Journal of Australia” Baldness does not affect vitamin D levels in men.
48 citations
,
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.
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.
37 citations
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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.