Iron deficiency can cause hair loss and often signals underlying health issues.
April 2024 in “International Journal of Advanced Research” Vitamin B12 deficiency is linked to hair loss and skin pigmentation changes.
January 2018 in “Journal of Crohn s and Colitis” High-dose intravenous iron therapy doesn't interfere with treatment improvements in IBD patients with iron deficiency anemia.
January 2021 in “Biomedical Research-tokyo” Reticulocyte hemoglobin content is the best indicator of iron deficiency causing hair loss in women.
October 2014 in “Transfusion Clinique et Biologique” Iron deficiency can cause fatigue, exercise intolerance, and cognitive issues, even without anemia.
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
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February 2023 in “Pediatrician (St Petersburg)” Early iron deficiency can lead to anemia during puberty, so it's important to address it early.
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November 2009 in “Journal of diabetes and its complications” Patients with Type 1 diabetes should be screened for pernicious anemia.
January 2026 in “Journal of Crohn s and Colitis” High-dose IV iron is safe and effective for treating anaemia in IBD patients.
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July 2025 in “BMC Women s Health” Iron deficiency causes many symptoms, and transferrin saturation is a better diagnostic marker than hemoglobin.
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March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
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May 2015 in “Zeitschrift für Gastroenterologie” Autoimmune gastritis is a common cause of iron deficiency and should be included in diagnostic guidelines.
June 2017 in “Journal of clinical and investigative dermatology” Red blood cell folate levels are reliable indicators of long-term folate status in alopecia areata patients.
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November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
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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.
Single-dose parenteral iron is safe and effective for children with inflammatory bowel disease and iron-deficiency anemia.
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October 2021 in “Medicine” Exercising women should be screened for anemia due to its prevalence and impact on performance.
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
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December 2023 in “Curēus” Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.
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January 1963 in “PubMed” 18 citations
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April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
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October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
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September 2013 in “Mayo Clinic Proceedings” A woman's hair loss was treated successfully with iron supplements for her iron deficiency.
Unexplained anemia in older men may be linked to urological issues like urinary retention.
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July 2022 in “Dermatology practical & conceptual” Iron deficiency anemia may contribute to hair loss in women with Telogen effluvium.
January 2023 in “Voennaâ medicina” Hair loss in women can improve with iron and vitamin supplements if caused by iron deficiency.
October 2025 in “International Journal For Multidisciplinary Research” Ayurvedic treatment improved Vitamin B12 levels and symptoms.
July 2023 in “Dermatology practical & conceptual” Low hemoglobin levels are significantly correlated with hair loss in women with Telogen Effluvium.
June 2025 in “International Journal of Science and Research (IJSR)” Low iron and vitamin D are common in young females with hair loss.
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August 2016 in “Annales de Dermatologie et de Vénéréologie” A woman with anorexia improved significantly after being treated for scurvy with vitamin C, despite not showing typical scurvy symptoms.