28 citations
,
April 2017 in “Journal of cosmetic dermatology” Low vitamin D can worsen pediatric alopecia areata.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
More research is needed to confirm if vitamin D helps improve pregnancy rates in women with hyperandrogenic PCOS.
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.
71 citations
,
October 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Vitamin D receptor helps prevent skin cancer and supports skin health.
10 citations
,
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.
1 citations
,
January 2018 in “Journal of Steroids & Hormonal Science” Oral vitamin D treatment can help some children with alopecia areata who have vitamin D deficiency.
January 2021 in “Medical Research Archives” Genetically modified rats help reveal how vitamin D affects bone and skin health.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
7 citations
,
April 1996 in “Archives of dermatological research” Topical tacalcitol can treat psoriasis by acting directly on skin cells.
30 citations
,
October 2009 in “Journal of Veterinary Internal Medicine” A Pomeranian dog had rickets due to a new gene mutation, leading to severe symptoms and euthanasia.
March 2025 in “Institutional Repositories DataBase (IRDB)” The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
19 citations
,
December 2008 in “Medical Journal of Australia” Baldness does not affect vitamin D levels in men.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
1 citations
,
January 2018 in “Turkiye Klinikleri Journal of Dermatology” Vitamin D levels are not correlated with chronic hair loss in Telogen Effluvium patients.
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.
24 citations
,
November 2008 in “Arquivos Brasileiros de Endocrinologia & Metabologia” Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.
November 2022 in “Scientific Reports” Certain ESR1 gene variations may affect hormone levels and fat distribution in women with high male hormone levels.
3 citations
,
July 1992 in “Clinics in Dermatology” Vitamin D helps regulate calcium levels in the body.
1 citations
,
January 1998 in “International journal of cancer” Rubbing vitamin D3 on skin can help prevent hair loss from chemotherapy and slow breast tumor growth in mice.
2 citations
,
January 2008 in “Cuadernos de Psiquiatría comunitaria” Vitamin D and its receptor help regulate skin functions like cell growth, immunity, and hair cycle.
5 citations
,
September 2021 in “Journal of cosmetic dermatology” People with alopecia areata often have abnormal thyroid hormones, thyroid antibodies, antinuclear antibodies, low vitamin D, and high C-reactive protein levels.
Early diagnosis and treatment of hereditary vitamin D-resistant rickets (HVDRR) are crucial to prevent growth issues and other health problems.
92 citations
,
January 2013 in “Dermatology” Vitiligo patients often have other health issues, especially thyroid disorders.
December 2013 in “대한피부과학회지” Korean women with female pattern hair loss have higher levels of ferritin, testosterone, and vitamin D than average.
18 citations
,
June 2001 in “Journal of Investigative Dermatology” Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
1 citations
,
January 2011 Thorough evaluation and lab tests are crucial for understanding hair loss causes.
4 citations
,
November 2022 in “Acta dermato-venereologica” People with hidradenitis suppurativa often have lower vitamin D levels, weaker hip bones, and altered bone metabolism markers.