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.
11 citations
,
January 2014 in “Egyptian Journal of Dermatology and Venereology” Women losing hair might have lower levels of vitamin D.
4 citations
,
January 2020 in “Obstetrics and Gynecology Reports” Obese women with PCOS have lower vitamin D levels.
5 citations
,
June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
1 citations
,
January 2016 in “Journal of Nepal Paediatric Society” A child with rickets and hair loss might have a rare type of rickets that doesn't improve much with usual vitamin D and calcium treatment.
1 citations
,
June 2021 in “International Journal of Dermatology” People with alopecia areata had lower vitamin D levels, but these levels didn't relate to many aspects of the condition.
6 citations
,
August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
100 citations
,
October 1986 in “Clinical Endocrinology” Alopecia indicates more severe resistance to 1,25-dihydroxyvitamin D.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
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.
23 citations
,
October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
88 citations
,
October 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Patients with this syndrome can have different responses and worsening resistance to treatment over time.
Lower vitamin D levels are linked to more severe hair loss in men.
50 citations
,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
36 citations
,
February 2007 in “Journal of biological chemistry/The Journal of biological chemistry” The vitamin D receptor can work without its usual activating molecule.
140 citations
,
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.
4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
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.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
11 citations
,
June 1996 in “Nutrition” Vitamin D3 may prevent hair loss from chemotherapy, but side effects and cancer cell protection are concerns.
January 2019 in “Egyptian Journal of Dermatology and Venereology /Egyptian Journal of Dermatology and Venerology” Low vitamin D levels might indicate more severe hair loss in alopecia areata patients.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
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.
December 2017 in “Elsevier eBooks” The vitamin D receptor helps maintain hair and bone health even without binding vitamin D.
158 citations
,
August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.
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.
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.
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.
62 citations
,
January 2009 in “Biochemistry” Vitamin D receptor binds similarly to natural and synthetic ligands, affecting gene regulation.
11 citations
,
November 2021 in “JBMR plus” The vitamin D receptor can act without its usual activating molecule, affecting hair growth and skin cancer, but its full range of actions is not well understood.