September 2005 in “CRC Press eBooks” Vitamin D is important for skin cell growth and health, and its active form and receptor play key roles in skin and hair processes.
January 2005 in “Chinese Journal of Reproductive Health” Vitamin-D and calcium effectively treat hair loss in children.
January 2005 in “mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)” Vitamin D and glucocorticoids affect bone growth, metabolism, and immune response.
October 2004 in “Radiotherapy and oncology” Active vitamin D3 might protect hair follicles from radiation damage.
May 2004 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Vitamin D affects Msx1 protein expression and may influence mineralized tissue health.
October 1990 in “Pediatric Research” Nocturnal calcium infusions improved a boy's severe rickets without causing hair loss.
May 1961 in “Tumori Journal” Vitamin A treatment reduced abnormal cell growth and improved skin conditions in rats with tumors.
January 1959 in “Acta medica Scandinavica” A balanced diet with essential vitamins, especially B-complex, prevents hair loss.
February 1945 in “New England Journal of Medicine” March 1942 in “The Science News-Letter” February 2023 in “Journal of Cosmetic Dermatology” Combining microneedling with either vitamin D3 or bimatoprost improves hair regrowth more than microneedling alone.
February 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher leptin and lower vitamin D levels may contribute to male pattern baldness.
December 2021 in “Vestnik Rossiĭskoĭ akademii meditsinskikh nauk / Rossiĭskaia akademiia meditsinskikh nauk” Personalized vitamin and trace element treatment improves hair density and reduces hair loss in men with early-stage androgenic alopecia.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female hair loss.
July 2021 in “Journal of pharmaceutical research international” Most women with female pattern hair loss have low vitamin D levels.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Men with early baldness often have low vitamin D levels.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
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.
10 citations
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January 2013 in “TURKISH JOURNAL OF MEDICAL SCIENCES” Low vitamin D levels can lead to increased parathyroid hormone levels.
1 citations
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February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
May 2026 in “Preprints.org” The nutrient combination improved hair condition and was safe for women with diffuse hair loss.
July 2025 in “Insights-Journal of Health and Rehabilitation” Adding vitamin D to metformin lowers blood sugar more than metformin alone in type 2 diabetes.
July 2025 in “JAAD Case Reports” January 2025 in “Global Health” People with type 2 diabetes have lower vitamin E levels, especially older adults and females.
June 2023 in “Italian journal of dermatology and venereology” The oral supplement improved hair loss in patients with telogen effluvium.
378 citations
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February 2020 in “Nature Reviews Endocrinology” 47 citations
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October 1989 in “European Journal of Pediatrics” Two siblings stayed rickets-free for 14 years after stopping treatment.
34 citations
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August 2012 in “Calcified Tissue International” 14 citations
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January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society”
13 citations
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December 1940 in “The journal of nutrition/The Journal of nutrition” Lack of certain vitamins causes fur loss and greying in silver foxes.