Iron deficiency can cause hair loss, but iron supplements can help restore hair growth.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
August 2011 in “Clinical and Experimental Dermatology” About 30% of women feel they lose too much hair, often starting before age 40, and most can't find a reason for it.
April 2019 in “Journal of emerging technologies and innovative research” Early treatment of Female Pattern Hair Loss is important to stop it from getting worse, and various treatments can help, especially in mild to moderate cases.
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.
79 citations
,
January 2000 in “Annals of Clinical Psychiatry” Some psychiatric medications can cause hair loss, but stopping or reducing the dose usually reverses it.
68 citations
,
February 1996 in “Obesity Surgery” Taking zinc sulphate stopped and reversed hair loss in patients after weight loss surgery.
67 citations
,
January 2007 in “Environmental health perspectives” A woman's health issues were caused by arsenic poisoning from kelp supplements.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
44 citations
,
May 2014 in “The American Surgeon” Low zinc and iron levels can predict hair loss after sleeve gastrectomy in women.
40 citations
,
January 2013 in “Journal of Korean Medical Science” Iron deficiency may contribute to hair loss.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
37 citations
,
January 2019 in “Dermatologic Therapy” A dietary supplement with Boswellia serrata, Curcuma longa, and Vitis vinifera showed potential improvement in hair health for telogen effluvium patients, but more research is needed.
37 citations
,
January 1997 in “Clinics in Dermatology” Hair problems are common and distressing for women, but increasing knowledge of treatments offers hope.
32 citations
,
July 2018 in “Scientific Reports” Essential-oils-cobalt improves goat growth and product quality.
30 citations
,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
29 citations
,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
23 citations
,
January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
23 citations
,
August 1975 in “Experimental Biology and Medicine” Copper supplements during pregnancy improve survival and development in mutant mice.
22 citations
,
September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
21 citations
,
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.
19 citations
,
July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
18 citations
,
February 2001 in “Journal of International Medical Research” Hairgain® significantly increased hair growth and was well-tolerated by individuals with hair loss.
16 citations
,
March 2015 in “Dermatologic therapy” Zinc supplementation may be an important part of treating severe hair loss.
14 citations
,
January 2015 in “Current problems in dermatology” Female pattern hair loss treatments vary in effectiveness and may have side effects.
9 citations
,
October 2010 in “Journal of the American Academy of Dermatology” Iron deficiency might cause hair loss, but better testing is needed.
7 citations
,
May 2022 in “The Journal of Dermatology” Hair loss is a frequent long-term effect of COVID-19, and oral minoxidil is the most common effective treatment.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
7 citations
,
December 2013 in “The Journal of Dermatology” A woman's hair turned gray and fell out after starting a cancer drug called imatinib mesylate.
6 citations
,
April 2012 in “PubMed” Enteral supplements can improve symptoms of Cronkhite-Canada syndrome.