November 2021 in “International Journal of Research in Dermatology” Low iron levels are linked to certain types of hair loss.
May 2022 in “Clinical Epigenetics” A mother's iron levels early in pregnancy can influence the DNA makeup of her child, potentially affecting the child's health.
September 2020 in “University of Thi-Qar Journal of Medicine” Low iron and vitamin D3 levels might be major causes of hair loss in Iraqi women.
January 2020 in “Turkiye Klinikleri Journal of Dermatology” People with chronic hair shedding had much lower vitamin D levels compared to healthy people.
3 citations
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December 1968 in “PubMed” Androgenetic alopecia is not caused by low iron levels.
November 2025 in “International Journal of Surgery” Lower levels of certain nutrients after surgery may increase hair loss risk.
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.
November 2025 in “Journal of Sleep Research” Iron levels are linked to sleep apnea severity, especially in women with hair loss.
2 citations
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December 2015 in “Journal of dermatology research and therapy” People with Chronic Telogen Effluvium mainly have lower iron levels compared to healthy individuals.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
January 2022 in “United Research Forum eBooks” Picky eating in children is linked to lower zinc levels and various nutritional deficiencies.
Lower vitamin D levels are linked to more severe hair loss in men.
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.
21 citations
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January 2014 in “Dermatology Research and Practice” Hair and serum levels of zinc, copper, and iron are similar in people with alopecia areata and healthy individuals.
4 citations
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June 2018 in “PLOS ONE” Iron levels are linked to insulin resistance in men and postmenopausal women, but not in premenopausal women.
1 citations
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February 2022 in “Open Access Macedonian Journal of Medical Sciences” Low zinc levels might contribute to early hair graying.
November 2022 in “Gene Cell and Tissue” Zinc deficiency might affect vitamin B12 levels.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
October 2019 in “Turkderm” Patients with pernio have lower vitamin B12 and ferritin levels than healthy people.
October 2025 in “Diseases” Women with hair loss often have deficiencies in iron, vitamins, minerals, and lower thyroid function, suggesting the need for nutritional and hormonal treatment.
April 2026 in “European Journal of Medical and Health Research” Women with hair loss had lower IGF-1 levels.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
October 2024 in “Journal of the Pakistan Medical Association” Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.
3 citations
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May 2022 in “Indian Journal of Dermatology” Low ferritin and high Anti TPO levels are linked to early hair greying.
8 citations
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October 2012 in “Transgenic Research” Overexpressing the human H-ferritin gene in mice causes mild growth delay and temporary hair loss.
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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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
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December 2024 in “Journal of Cosmetic Dermatology” Vitamin D and zinc may help treat alopecia areata.