April 2017 in “Journal of nutritional health & food engineering” Over 65% of people in the United Arab Emirates have undetected vitamin D deficiency, causing symptoms often mistaken for stress or migraines.
16 citations
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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.
16 citations
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January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
1 citations
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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.
1 citations
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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
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January 2018 in “Journal of clinical & experimental dermatology research” The study found no link between vitamin D deficiency and psoriasis but suggests more research is needed.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
January 2020 in “Journal of quality in health care & economics” Most women with depression in the study had low vitamin D levels.
January 2019 in “Clinical neuropharmacology” A girl's hair-pulling condition improved greatly after she started vitamin D treatment.
January 2025 in “SKIN The Journal of Cutaneous Medicine” Calcipotriol's effectiveness for treating alopecia areata is unclear and needs more research.
August 2024 in “IAHS Medical Journal” Low vitamin D and ferritin levels are linked to female hair loss.
Low vitamin D3 is not linked to different levels of thyroid hormones in people with autoimmune thyroid disease.
13 citations
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December 1940 in “The journal of nutrition/The Journal of nutrition” Lack of certain vitamins causes fur loss and greying in silver foxes.
November 2022 in “Gene Cell and Tissue” Zinc deficiency might affect vitamin B12 levels.
34 citations
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January 1943 in “Endocrinology” Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
November 2025 in “Iraqi Journal of Science” Celiac patients may have kidney function risks due to increased urea and creatinine and decreased magnesium, zinc, and vitamin C.
March 2025 in “JEADV Clinical Practice” People with primary scarring alopecia have higher risks of other health issues like vitamin D deficiency and thyroid disease.
October 2022 in “Pediatric Dermatology” Most children with rapid hair loss had a known cause, with stress and illness being top triggers, and treatments showed similar improvement.
January 2025 in “International Journal of Trichology” Telogen effluvium is common after symptomatic COVID-19, especially in young females, and may be linked to nutritional deficiencies.
January 2022 in “Clinical Cases in Dermatology” Lack of certain nutrients may contribute to hair loss and proper diet or supplements could improve it.
September 2009 in “Dermato-endocrinology” Good nutrition and vitamins are important for healthy skin and can prevent diseases.
5 citations
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December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
7 citations
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July 2021 in “PubMed” Vitamins A, B, C, and D are important for skin health and are being explored for new uses, but more research is needed to confirm their effectiveness.
32 citations
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December 2017 in “International Journal of Molecular Sciences” Low vitamin D might be linked to certain types of hair loss, and supplements could help, but more research is needed.
2 citations
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May 2018 in “Journal of the American Academy of Dermatology” Low vitamin D might be one of several factors involved in the hair loss condition alopecia areata.
June 2021 in “International journal of cosmetics and dermatology” Vitamin C and E may help with certain skin and hair conditions, but more research is needed to confirm their effectiveness.
May 2024 in “Journal of ayurveda and integrated medical sciences” Amra Beej Majja Churna may help improve Vitamin B12 levels and symptoms in vegans.
62 citations
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January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
6 citations
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August 2020 in “Dermatology and Therapy” People with Alopecia Areata often have lower vitamin D levels, and vitamin D supplements might help treat it.