January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
July 2025 in “Food Science & Nutrition” Vitamin D supplements improve hair growth and metabolism in rabbits.
September 2023 in “Journal of Cosmetic Dermatology” Lower vitamin D levels are linked to higher CRP levels in people with a type of hair loss called alopecia areata.
January 2019 in “Egyptian Journal of Obesity, Diabetes and Endocrinology” People with polycystic ovary syndrome often have low levels of vitamin D.
140 citations
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April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
134 citations
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December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
114 citations
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October 2017 in “American journal of clinical dermatology” Adequate vitamin D is crucial for skin health and should be considered in dermatology.
31 citations
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July 2023 in “Nutrients” Vitamin D may help reduce thyroid antibodies and improve thyroid function in Hashimoto's Thyroiditis.
14 citations
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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.
10 citations
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October 1993 in “Archives of dermatological research” Vitamin D compounds may help treat psoriasis by promoting skin cell differentiation.
9 citations
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November 2014 in “Journal of Cutaneous Medicine and Surgery” Many dermatologists in Saudi Arabia recommend vitamins and minerals for hair loss, often based on personal experience rather than strong evidence.
5 citations
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January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
4 citations
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October 2022 in “Medicine” Vitamin D might help treat alopecia areata.
3 citations
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August 2024 in “Middle East Fertility Society Journal” Vitamin D may help improve hormone levels in women with PCOS.
3 citations
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November 2021 in “World Journal of Clinical Pediatrics” Vitamin D might help treat some types of hair loss, but more research is needed.
3 citations
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November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
2 citations
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April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
1 citations
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April 2021 in “International Journal of Research in Dermatology” Low iron and vitamin B12 levels are common in women with chronic hair loss, while low vitamin D is less common.
1 citations
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January 2020 in “Инфекционные болезни. Новости, мнения, обучение” Lack of vitamin D might cause hair loss due to autoimmune problems, and fixing vitamin D levels could help treat it.
March 2026 in “Nutrients” Vitamin D is needed for metformin to lower prolactin effectively.
January 2026 in “Journal of Contemporary Medicine” Vitamin D may help prevent or reduce hair loss after COVID-19.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
April 2025 in “Egyptian Journal of Medical Research” People with Telogen Effluvium have lower vitamin D levels.
February 2025 in “Folia Medica” Low vitamin D levels may be linked to early hair loss in males.
October 2024 in “Dermatology Practical & Conceptual” Vitamin D3 deficiency is common in Pakistanis with diffuse hair fall, and early treatment is advised.
June 2024 in “jurnal ABDIMAS Indonesia” Vitamin D education and supplementation improve hair health in the elderly.
May 2024 in “International journal of research in dermatology” Low vitamin D levels are linked to increased risk of male pattern baldness.
January 2024 in “Biomedical journal of scientific & technical research” Vitamins A, B7, C, D, and E are essential for healthy hair growth and preventing damage.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.