2 citations
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December 2021 in “Cureus” Low vitamin D levels are linked to hair loss, and vitamin D might help treat it.
1 citations
,
October 2018 in “Ukraïnsʹkij žurnal dermatologìï, venerologìï, kosmetologìï” Wolvit® (biotin 5 mg) is effective and safe for treating hair loss and scalp conditions in women.
October 2025 in “Jurnal Ilmiah Kedokteran dan Kesehatan” Multivitamins can help hair growth and health, especially if you have nutritional deficiencies, but should be used carefully.
55 citations
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May 1970 in “New England Journal of Medicine” Scurvy may cause symptoms similar to Sjögren's syndrome, which disappear with vitamin C.
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.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
19 citations
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October 2016 in “Nutrition in clinical practice” Use oral or enteral supplements when possible and reserve IV trace elements for those solely dependent on PN.
September 2022 in “Farmacja Polska” Biotin is important for health, but taking extra usually doesn't help unless you're deficient.
158 citations
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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.
29 citations
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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.
11 citations
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June 1996 in “Nutrition” Vitamin D3 may prevent hair loss from chemotherapy, but side effects and cancer cell protection are concerns.
52 citations
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August 1993 in “Clinical endocrinology” Intravenous and oral calcium effectively treated vitamin D dependent rickets type II, improving growth and bone health.
56 citations
,
January 2013 in “International journal of trichology” Zinc supplements may be needed to treat hair loss in hypothyroidism.
47 citations
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July 2005 in “British Journal of Dermatology” Topical vitamin D3 does not prevent hair loss from chemotherapy.
July 1980 in “Journal of The American Academy of Dermatology” The conference concluded that understanding hair and nail disorders is important, iron deficiency may be linked to hair loss, and while some treatments for skin conditions are effective, they may have risks and high costs.
Fad diets and supplements from social media can cause skin and hair problems.
74 citations
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July 1995 in “PubMed” Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
98 citations
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February 2010 in “Dermatology Online Journal” Vitamin D may help treat hair disorders.
September 2012 in “DOAJ (DOAJ: Directory of Open Access Journals)”
September 2018 in “International Journal of Dermatology” People with alopecia areata often have lower levels of zinc and vitamin D.
January 2025 in “Genetics in Medicine Open” Biotinidase deficiency can mimic neuromyelitis optica and should be considered for accurate diagnosis and treatment.
July 2009 in “DergiPark (Istanbul University)” Vitamin D is essential for healthy bones, muscles, hair, and immune function.
49 citations
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July 1994 in “British journal of dermatology/British journal of dermatology, Supplement” Some children with methylmalonic and propionic acidaemias have skin problems related to their condition and diet.
January 2000 in “대한피부과학회지” Preventing zinc deficiency is crucial, especially in bowel disease and chronic malabsorption, with recommended skin checks and zinc supplements.
March 2023 in “Pakistan Journal of Medical & Health Sciences” Vitamin D analogues can significantly help hair regrowth in Alopecia Areata patients.
January 2022 in “International Journal of Medicine in Developing Countries” Many patients with hair loss had low iron and vitamin D levels, but thyroid issues were not common.
20 citations
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February 1977 in “The anatomical record” Excess vitamin A changes skin and hair follicle development and affects polysaccharide distribution.
August 2018 in “Journal of The American Academy of Dermatology” People with telogen effluvium and scalp discomfort might have low vitamin B12 and could benefit from B12 supplements.
3 citations
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September 2017 in “Galen medical journal” Patients with psoriasis and cutaneous-oral lichen planus have higher blood homocysteine levels than healthy people.
13 citations
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January 2019 in “Journal of the American Academy of Dermatology” Most people using biotin don't see skin improvements, and it may affect lab tests, so doctors shouldn't suggest it without confirming a deficiency.