16 citations
,
January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
15 citations
,
January 2016 in “International journal of trichology” Low vitamin D3 levels are significantly linked to hair loss, especially in female students.
Low Vitamin D3 levels are linked to hair loss in female students in South India.
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.
October 2021 in “QJM: An International Journal of Medicine” Low iron levels are linked to premature graying of hair, but vitamin D levels are not.
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.
39 citations
,
January 1997 in “Pharmacology & toxicology” Vitamin D3 and its analogues affect skin cell growth and development depending on cell density, calcium levels, and serum presence.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
March 2024 in “Portuguese Journal of Dermatology and Venereology” People with hair loss often have lower levels of iron, vitamin D, and vitamin B12.
March 2014 in “Journal of The American Academy of Dermatology” Vitamin D deficiency is common in temporary hair loss, and stress is often a suspected cause.
January 2018 in “Hair therapy & transplantation” Hair health can indicate mental and general health.
13 citations
,
May 2012 in “Cutaneous and ocular toxicology” Alopecia areata is not linked to vitamin B12 deficiency.
1 citations
,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
2 citations
,
May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
2 citations
,
May 2018 in “Journal of the American Academy of Dermatology” Low vitamin D might be one of several factors involved in the hair loss condition alopecia areata.
January 2022 in “Indian journal of dermatopathology and diagnostic dermatology” Women with diffuse hair loss often have lower iron and vitamin D levels, but their thyroid function is typically normal.
20 citations
,
July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
2 citations
,
March 2023 in “3C Empresa Investigación y pensamiento crítico” Alopecia areata patients have higher IFN-γ and low vitamin D3 levels.
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.
March 2023 in “Photodiagnosis and Photodynamic Therapy” Low vitamin D levels are linked to severe and active alopecia areata.
January 2017 in “International Journal of Trichology” Vitamin D supplements might help reduce hair fall.
14 citations
,
January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” February 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher leptin and lower vitamin D levels may contribute to male pattern baldness.
November 2025 in “Khalij-Libya Journal of Dental and Medical Research” Hair loss is linked to low levels of zinc, vitamin D, and ferritin.
January 2023 in “Pakistan Armed Forces Medical Journal” Vitamin D levels are not linked to Alopecia Areata.
November 2023 in “Dermatologic therapy” The scalp serum reduced scalp discomfort and symptoms without affecting skin moisture loss.
33 citations
,
April 2009 in “Clinical and Experimental Dermatology” Psychological factors like depression may be more important than zinc, folate, and vitamin B12 levels in causing scalp pain in people with hair loss.
1 citations
,
February 2025 in “Frontiers in Endocrinology” Diet and sunlight are important for maintaining good vitamin D levels.
7 citations
,
August 2021 in “Open Access Macedonian Journal of Medical Sciences” The VDR gene polymorphism does not affect BDNF levels in autoimmune thyroiditis and hypothyroidism patients.
14 citations
,
September 2021 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to various types of hair loss, but more research is needed before using it as a treatment.