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.
3 citations
,
February 2022 in “Journal of the American Academy of Dermatology” Black patients with a specific type of hair loss have a much higher chance of lacking enough vitamin D.
2 citations
,
June 2018 in “Sudan journal of medical sciences” Low vitamin D levels can cause hair loss and supplements may improve it.
1 citations
,
January 2020 in “Инфекционные болезни. Новости, мнения, обучение” Lack of vitamin D might cause hair loss due to autoimmune problems, and fixing vitamin D levels could help treat it.
January 2024 in “Journal of advanced research in Medical and Health science” People with severe and long-lasting alopecia areata often have low vitamin D levels, and treatments with vitamin D-like substances might help.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
10 citations
,
July 2022 in “Journal of the Turkish-German Gynecological Association” Vitamins B3, B6, C, and iron intake affect hormone levels in women with certain types of PCOS.
1 citations
,
February 2023 in “Digestive diseases and sciences” Gastroparesis may cause hair loss due to micronutrient deficiencies, and multivitamins might help.
1 citations
,
June 2018 in “International Journal of Contemporary Pediatrics” Poor nutrition in young children causes skin and hair issues, highlighting the need for better nutrition education.
January 2019 in “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.
January 2023 in “Voennaâ medicina” Hair loss in women can improve with iron and vitamin supplements if caused by iron deficiency.
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.
October 2024 in “Frontiers in Nutrition” Vitamin D deficiency is common in people with certain types of hair loss, like alopecia areata and female pattern hair loss.
26 citations
,
May 1984 in “Journal of Parenteral and Enteral Nutrition” Biotin supplements restored hair and resolved symptoms in a woman with biotin deficiency.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
7 citations
,
December 2015 in “Turkish Journal of Osteoporosis” Vitamin D deficiency is common in adults with muscle and bone pain, especially women.
7 citations
,
May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
5 citations
,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
2 citations
,
November 2024 in “Journal of Clinical Medicine” Vitamin D3 deficiency can worsen psoriasis by promoting Candida overgrowth.
2 citations
,
March 2018 in “Clinical Nutrition ESPEN” Low vitamin D levels are linked to symptoms like muscle cramps, fatigue, and hair loss.
1 citations
,
May 2017 in “Journal of The American Academy of Dermatology” People with alopecia areata often have lower vitamin D levels than healthy people.
1 citations
,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
December 2025 in “Çukurova medical journal (Online)/Çukurova medical journal” Certain genetic markers and low vitamin D3 levels are linked to male pattern baldness.
September 2025 in “Journal of Dhaka Medical College” Lower vitamin D levels are linked to more severe alopecia areata.
March 2025 in “Clinical Cosmetic and Investigational Dermatology” The Tru9I variant in the VDR gene may influence alopecia areata risk and vitamin D levels.
May 2024 in “International journal of research in dermatology” Low vitamin D levels are linked to increased risk of male pattern baldness.
October 2023 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Vitamin D supplementation can improve skin health and appearance.
January 2023 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Vitamin D Dependent Rickets Type-2A can cause complete hair loss and bone growth issues in infants.
February 2022 in “Global academic journal of medical sciences” People with alopecia areata have much lower Vitamin-D levels than healthy individuals.
January 2019 in “Egyptian Journal of Dermatology and Venereology /Egyptian Journal of Dermatology and Venerology” Low vitamin D levels might indicate more severe hair loss in alopecia areata patients.