January 2025 in “BMC Nephrology” Most end-stage renal disease patients in Jordan have skin issues like dryness and itching.
37 citations
,
October 2021 in “Nutrients” Vitamin D might help regulate insulin in the body, but taking Vitamin D supplements doesn't clearly prevent or improve type 2 diabetes. More research is needed.
1 citations
,
June 2023 in “Nutrients” Vitamin D deficiency is linked to a higher chance of metabolic syndrome in women with PCOS.
April 2023 in “Dohuk medical journal” People with telogen effluvium often have much lower vitamin D levels than healthy individuals.
October 1940 in “Clinical and Experimental Optometry” Vitamin A deficiency can cause eye problems and other health issues.
May 2024 in “Endocrine practice” Vitamin A toxicity can cause serious health issues like hypercalcemia and is often overlooked.
10 citations
,
November 1946 in “Journal of the American Medical Association” Severe vitamin deficiencies in children can cause significant hair problems.
August 2025 in “Quality in Sport” Vitamin A is essential but too much can be harmful, especially from supplements.
January 2013 in “INTAS POLIVET” Vitamin A supplements improved skin and health issues in dogs.
1 citations
,
January 1980 in “Side effects of drugs annual” Taking too much vitamin A can cause health problems like bone pain and hair loss.
17 citations
,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
January 1982 in “Side effects of drugs annual” High doses of certain vitamins can cause serious side effects and health risks.
January 2024 in “Clinical, cosmetic and investigational dermatology” A child with a rare vitamin D-resistant condition improved with treatment.
2 citations
,
February 1945 in “Archives of Dermatology and Syphilology” Alopecia in the woman was likely caused by vitamin A deficiency, not a fungal infection.
39 citations
,
January 1991 in “Oncology” High-dose vitamin A was safe and well-tolerated in a lung cancer treatment study.
3 citations
,
August 2005 in “Journal of Pediatric Gastroenterology and Nutrition” The toddler's health issues were caused by too much vitamin A from supplements.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
16 citations
,
December 1996 in “International Journal of Dermatology” Vitamin C is essential to prevent scurvy and its symptoms.
3 citations
,
March 1956 in “Journal of morphology” Vitamin A is essential for healthy skin and normal hair growth.
5 citations
,
August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.
July 2025 in “JAAD Case Reports” 1 citations
,
January 2024 in “Pediatric Dermatology” The boy's scurvy symptoms improved with vitamin C treatment, highlighting the need for a balanced diet.
1 citations
,
November 2024 in “AME Medical Journal” Vitamin C deficiency can persist in high-risk patients despite supplementation.
105 citations
,
March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
48 citations
,
April 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.
32 citations
,
December 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have low vitamin D levels.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Vitamin A levels don't significantly affect alopecia areata.
12 citations
,
January 2016 in “Journal of Clinical and Investigative Dermatology” Low vitamin D levels are common in people with Alopecia Areata.
40 citations
,
April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.