8 citations
,
October 2012 in “Transgenic Research” Overexpressing the human H-ferritin gene in mice causes mild growth delay and temporary hair loss.
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.
2 citations
,
December 2021 in “Cureus” Low vitamin D levels are linked to hair loss, and vitamin D might help treat it.
February 2025 in “Folia Medica” Low vitamin D levels may be linked to early hair loss in males.
July 2004 in “Transplantation” Iron deficiency is common in kidney transplant patients, and while iron treatment helps, it can cause high red blood cell levels.
5 citations
,
December 2024 in “Journal of Cosmetic Dermatology” Vitamin D and zinc may help treat alopecia areata.
November 2025 in “Healthcare” Zinc levels don't significantly affect hair loss, so testing for zinc isn't necessary.
July 2022 in “Journal of Dermatology and Dermatologic Surgery” People with chronic hair loss often have lower Vitamin B12 levels.
64 citations
,
March 2021 in “Anaesthesia” Iron deficiency in women is common, often overlooked, and needs better recognition and treatment.
July 2018 in “International journal of clinical & experimental dermatology” Eat a balanced diet for healthy hair; only use supplements if you have a proven nutrient deficiency.
September 2021 in “Journal of the Egyptian Women's Dermatologic Society (Print)” The study concluded that low iron and vitamin D levels in women might play a role in chronic hair loss, despite no significant difference between those with and without hair loss.
53 citations
,
July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Many young men with hair loss have low levels of vitamin D and B12.
June 2025 in “British Journal of Dermatology” Premature canities is linked to low vitamin D and B12, family history, and higher MHR.
October 2025 in “Medical Journal of Babylon” Higher testosterone and lower Vitamin D levels are linked to hair loss in female COVID-19 patients.
4 citations
,
March 2023 in “Journal of medical case reports” Taking too much vitamin E caused a young man's blood clotting problems, which improved after he stopped the vitamin E and got treatment.
August 2024 in “Jordan Medical Journal” Picky eating in children is linked to lower weight, hemoglobin, vitamin D, and zinc levels.
14 citations
,
January 2016 in “International Journal of Trichology” Many women with hair loss also have thyroid issues, high blood pressure, and low Vitamin D.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
2 citations
,
February 2017 in “International Journal of Molecular Sciences” Erdr1 could be a new marker for diagnosing hair loss.
January 2019 in “Springer Reference Medizin” Follicle Stimulating Hormone is important for fertility.
January 2025 in “Clinical Case Reports” Timely and aggressive treatment is crucial for improving outcomes in severe complications of adult-onset Still's disease.
2 citations
,
July 2009 in “Mayo Clinic Proceedings” A 66-year-old woman with skin lesions and other symptoms improved after treatment for porphyria cutanea tarda.
72 citations
,
October 2010 in “Journal of The American Academy of Dermatology” Iron deficiency common in women, not always linked to hair loss; more research needed.
January 2021 in “Biomedical Research-tokyo” Reticulocyte hemoglobin content is the best indicator of iron deficiency causing hair loss in women.
January 2003 in “Annals of Dermatology” Iron deficiency can cause hair abnormalities, but taking iron can fix them and stop hair loss.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” No significant difference in iron deficiency between women with or without hair loss.
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.
3 citations
,
May 2014 in “InTech eBooks” Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.
2 citations
,
January 2019 in “International journal of medicine in developing countries” Many people in Majmaah city, Saudi Arabia, don't know much about vitamin D deficiency and don't practice good vitamin D habits, with few linking it to hair loss.