81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
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.
11 citations
,
January 2014 in “Egyptian Journal of Dermatology and Venereology” Women losing hair might have lower levels of vitamin D.
14 citations
,
January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” 845 citations
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February 2001 in “The Journal of Clinical Endocrinology & Metabolism” The enzyme for activating vitamin D is found in many body tissues, not just the kidneys.
18 citations
,
June 2001 in “Journal of Investigative Dermatology” Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
5 citations
,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
6 citations
,
August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
January 2021 in “Medical Research Archives” Genetically modified rats help reveal how vitamin D affects bone and skin health.
November 2025 in “Fayoum University Medical Journal/Fayoum University Medical Journal ” Intralesional vitamin D3 injections can improve vitamin D3 levels and may help treat alopecia areata.
57 citations
,
August 1997 in “Pediatrics International” VDDR I and II are genetic disorders affecting vitamin D use, causing rickets, with VDDR I treatable by vitamin D supplements and VDDR II needing high doses and calcium.
23 citations
,
October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
11 citations
,
January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
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.
4 citations
,
January 2023 in “Pharmacology” Atorvastatin is less effective for women with Hashimoto's thyroiditis.
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.
54 citations
,
January 2012 in “Vitamins & Trace Elements” People with Alopecia Areata have lower vitamin D levels.
May 2024 in “Journal of cosmetic dermatology” Low HDL-C, uric acid, and 25-hydroxyvitamin D are risk factors for early-onset male hair loss.
July 2023 in “Media Dermato Venereologica Indonesiana” Vitamin D supplements should be used cautiously in sarcoidosis patients, with regular monitoring to avoid high calcium levels.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female 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.
40 citations
,
April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
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.
5 citations
,
June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
11 citations
,
January 2017 in “Biochemical and biophysical research communications” 1α,25-dihydroxyvitamin D3 directly affects cartilage growth and development.
4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
4 citations
,
January 2020 in “Obstetrics and Gynecology Reports” Obese women with PCOS have lower vitamin D levels.
2 citations
,
April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
September 2025 in “Journal of Dhaka Medical College” Lower vitamin D levels are linked to more severe alopecia areata.
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.