104 citations
,
May 2003 in “Endocrinology” Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
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.
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.
40 citations
,
April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
37 citations
,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
29 citations
,
December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
18 citations
,
November 2016 in “Neuromuscular Disorders” Patients with myotonic dystrophy often have skin problems that suggest early aging and vitamin D issues, and the severity of these problems is linked to their genetic condition and vitamin D levels.
16 citations
,
March 2015 in “Wiener Klinische Wochenschrift” Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.
12 citations
,
January 2016 in “Journal of Clinical and Investigative Dermatology” Low vitamin D levels are common in people with Alopecia Areata.
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.
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.
7 citations
,
June 2016 in “Bone Research” A Chinese family had a child with a specific gene mutation causing vitamin D-resistant rickets, but the child improved with calcium and low-dose calcitriol.
6 citations
,
March 2023 in “Journal of Cosmetic Dermatology” Low levels of BDNF and vitamin D are linked to higher depression in alopecia areata and vitiligo patients.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Check and treat low iron and vitamin D levels in people with hair loss.
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.
2 citations
,
April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
1 citations
,
August 2018 in “Journal of the American Academy of Dermatology” Children with autoimmune hair loss have similar vitamin D levels to healthy kids, suggesting no extra screening is needed.
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.
September 2024 in “African Journal of Biomedical Research” Alopecia areata patients have lower vitamin D and slightly lower copper levels, so these should be checked.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
September 2023 in “Journal of Cosmetic Dermatology” Lower vitamin D levels are linked to higher CRP levels in people with a type of hair loss called alopecia areata.
August 2023 in “İzmir tepecik eğitim hastanesi dergisi” Vitamin D levels do not significantly relate to the causes of PCOS or DOR in infertile patients.
January 2023 in “Pakistan Armed Forces Medical Journal” Vitamin D levels are not linked to Alopecia Areata.
February 2022 in “Global academic journal of medical sciences” People with alopecia areata have much lower Vitamin-D levels than healthy individuals.
February 2018 in “Egyptian Journal of Radiation Sciences and Applications” Patients with Discoid Lupus Erythematosus have lower vitamin D and antioxidant levels and higher oxidative stress.
January 2017 in “Journal of clinical & experimental dermatology research” Low ferritin levels might be linked to telogen effluvium, but vitamin D levels are not.
January 2023 in “Pakistan Armed Forces Medical Journal” People with vitiligo tend to have lower vitamin D levels.
16 citations
,
August 2014 in “International Journal of Women's Health” The estradiol valerate/dienogest oral contraceptive helps with heavy periods, may improve acne and symptoms in PCOS, and doesn't affect sexual function.
October 2025 in “Minerva Obstetrics and Gynecology” Choosing the right estroprogestin is crucial for effectively managing PCOS symptoms.
14 citations
,
October 2016 in “Physiological Research” Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.