32 citations
,
December 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have low vitamin D levels.
32 citations
,
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.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
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
,
July 2018 in “PubMed” Low vitamin D levels might cause hair loss that can be treated with vitamin D supplements.
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.
December 2025 in “Çukurova medical journal (Online)/Çukurova medical journal” Certain genetic markers and low vitamin D3 levels are linked to male pattern baldness.
December 2022 in “Journal of The American Academy of Dermatology” The authors maintain there is a significant link between vitamin D deficiency and central centrifugal cicatricial alopecia in Black patients, and call for more research on the topic.
September 2020 in “Osmangazi tıp dergisi” Thyroid dysfunction, vitamin D and B12 deficiencies, and iron deficiency may be linked to hair loss condition Telogen Effluvium.
18 citations
,
January 2004 in “Dermatologic Clinics” Skin problems in older people can indicate hormonal diseases, nutritional deficiencies, or conditions like diabetes, menopause, and HIV.
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.
62 citations
,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
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.
6 citations
,
August 2020 in “Dermatology and Therapy” People with Alopecia Areata often have lower vitamin D levels, and vitamin D supplements might help treat it.
5 citations
,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
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.
2 citations
,
November 2024 in “Journal of Clinical Medicine” Vitamin D3 deficiency can worsen psoriasis by promoting Candida overgrowth.
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.
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 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.
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.
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.
January 2023 in “Voennaâ medicina” Hair loss in women can improve with iron and vitamin supplements if caused by iron deficiency.
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.
November 2021 in “Permskij medicinskij žurnal” Women with menstrual dysfunction often have deficiencies in magnesium, iron, and vitamin D.
January 2019 in “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.