15 citations
,
October 2011 in “Gynecological Endocrinology” Obesity changes androgen levels in women with PCOS, leading to higher testosterone relative to androstenedione.
35 citations
,
January 2013 in “International Journal of Trichology” Kids with early graying hair often have low levels of calcium, ferritin, and vitamin D3.
207 citations
,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
163 citations
,
November 2003 in “Journal of Investigative Dermatology” Low iron levels may be linked to some types of hair loss in women.
40 citations
,
March 1982 in “British Journal of Dermatology” Young women with diffuse hair loss may have low SHBG levels, which could lead to more active testosterone and contribute to their hair loss.
26 citations
,
October 2011 in “Biological trace element research” Low copper levels might cause premature graying of hair.
22 citations
,
April 2006 in “Journal of The American Academy of Dermatology” More research is needed to determine if iron deficiency causes hair loss.
2 citations
,
January 2012 in “Hair therapy & transplantation” Low serum ferritin levels are not closely linked to telogen effluvium in women.
62 citations
,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
May 2024 in “Pakistan Journal of Health Sciences” Iron deficiency is linked to hair loss in CTE patients.
83 citations
,
November 2002 in “British Journal of Dermatology” Low iron levels are not directly linked to chronic hair loss and iron supplements may not help.
7 citations
,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.
3 citations
,
January 2017 in “Journal of Pakistan Association of Dermatology” Women with certain types of hair loss may have low iron levels, and iron supplements could help.
October 2025 in “Pakistan Journal of Health Sciences” Low serum ferritin is linked to hair loss in women.
83 citations
,
April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
1 citations
,
August 2023 in “Cutis” Low ferritin levels can indicate iron deficiency as a cause of hair loss.
December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
1 citations
,
May 2025 in “Analytical Science Advances” A new method accurately measures iron in small samples with high sensitivity and low cost.
December 2022 in “Cureus” Low iron levels are linked to hair loss in women.
7 citations
,
February 2017 in “The American journal of medicine” People often have iron deficiency after weight-loss surgery, which can cause symptoms like hair loss and dizziness, and iron levels should be tested to diagnose it.
March 2026 in “International Journal of Clinical Dermatology” Iron deficiency can cause certain skin issues like eczematous hand and perioral lesions.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia is common and treated with iron supplements and diet changes.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia is common and treated with iron supplements and diet changes.
Raising serum ferritin levels can improve symptoms like fatigue and hair loss, even if hemoglobin levels are normal.
239 citations
,
July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
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.
January 2017 in “Egyptian Journal of Dermatology and Venereology” Iron deficiency may contribute to chronic hair loss in premenopausal women.
4 citations
,
March 2019 in “IP Indian Journal of Clinical and Experimental Dermatology” Low iron levels may be linked to hair loss in non-menopausal women.
November 2023 in “International Journal of Trichology” No significant link between hair loss and iron or thyroid levels was found, but checking for deficiencies might still be useful.
19 citations
,
March 2021 in “Obesity surgery” Many people experience hair loss after weight loss surgery, especially younger women, and it's linked to lower levels of zinc, folic acid, and ferritin.