April 2016 in “Journal of The American Academy of Dermatology” A vitamin and mineral supplement significantly reduced hair shedding in Brazilian women with telogen effluvium.
Increased calcium in hair may signal early bone health issues in menopausal women.
October 2024 in “Journal of the Endocrine Society” A rare genetic mutation causes resistance to vitamin D, leading to severe rickets and requires high doses of calcium and vitamin D for management.
Low Vitamin D3 levels are linked to hair loss in female students in South India.
August 2019 in “International journal of contemporary pediatrics” A child with a rare type of rickets showed some improvement with high doses of vitamin D, but such conditions often respond poorly to treatment.
5 citations
,
June 2021 in “Pharmacological Reports” Vitamin D may help reduce antibody levels in men with autoimmune thyroiditis and early-onset androgenic alopecia, but has no significant impact on thyroid function.
6 citations
,
August 2020 in “Dermatology and Therapy” People with Alopecia Areata often have lower vitamin D levels, and vitamin D supplements might help treat it.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
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.
3 citations
,
January 2009 in “Annals of King Edward Medical University” Most urban, well-fed people in Pakistan have severe vitamin D deficiency and show symptoms.
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.
April 2017 in “Journal of nutritional health & food engineering” Over 65% of people in the United Arab Emirates have undetected vitamin D deficiency, causing symptoms often mistaken for stress or migraines.
2 citations
,
November 2024 in “Journal of Clinical Medicine” Vitamin D3 deficiency can worsen psoriasis by promoting Candida overgrowth.
100 citations
,
October 1986 in “Clinical Endocrinology” Alopecia indicates more severe resistance to 1,25-dihydroxyvitamin D.
23 citations
,
January 2016 in “International Journal of Trichology” Women with female pattern hair loss have lower Vitamin D3 levels.
110 citations
,
November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.
1308 citations
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March 1998 in “Journal of bone and mineral research” The vitamin D receptor is crucial for bone health and affects various body systems, with mutations potentially leading to disease.
25 citations
,
August 2016 in “Journal of Cosmetic Dermatology” The marine complex supplement significantly improved hair growth in men with thinning hair without adverse effects.
27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
48 citations
,
January 2015 in “Indian Journal of Dermatology, Venereology and Leprology” Vitamin D is important for skin health and can help treat psoriasis, atopic dermatitis, and vitiligo.
3 citations
,
March 2022 in “International Journal of Trichology” Special supplements with collagen, vitamins, and minerals can help treat hair loss.
2 citations
,
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.
1 citations
,
March 2020 in “Functional foods in health and disease/Journal of functional foods in health & disease” OM-X® helped prevent negative effects of Vitamin C deficiency in mice, suggesting it could protect organs and regulate metabolism.
1 citations
,
February 2022 in “Terapevtičeskij arhiv” A young woman got liver damage from taking too much vitamin A for two years.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
82 citations
,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
January 2025 in “Journal of Cosmetic Dermatology” The supplement improved hair growth and quality in men with thinning hair and was safe to use.
7 citations
,
October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
7 citations
,
July 2021 in “PubMed” Vitamins A, B, C, and D are important for skin health and are being explored for new uses, but more research is needed to confirm their effectiveness.
5 citations
,
June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.