Nutritional deficiencies can cause hair loss, but it can be reversed with a normal diet and less stress.
January 2021 in “Biomedical Research-tokyo” Reticulocyte hemoglobin content is the best indicator of iron deficiency causing hair loss in women.
17 citations
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September 2009 in “British Journal of Dermatology” Fragile hair in children is rarely linked to trichothiodystrophy (TTD).
14 citations
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January 1984 in “Nutrition reports international” 4 citations
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April 2004 in “Medical veritas” Zinc can reverse hair loss caused by the anthrax vaccine.
2 citations
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August 2004 Early diagnosis and proper treatment improve outcomes for methylmalonic acidemia.
March 2023 in “International Journal of Science and Research (IJSR)” Iron supplements improve life quality for people with anemia.
7 citations
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January 2018 in “PubMed” Low levels of iron, copper, and calcium may cause early hair graying.
5 citations
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December 1978 in “PubMed” Malabsorption can cause skin issues like pigmentation changes and hair loss, which improve with treatment.
November 2025 in “Khalij-Libya Journal of Dental and Medical Research” Hair loss is linked to low levels of zinc, vitamin D, and ferritin.
18 citations
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January 2004 in “Dermatologic Clinics” Skin problems in older people can indicate hormonal diseases, nutritional deficiencies, or conditions like diabetes, menopause, and HIV.
1 citations
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September 1993 in “Archives of Disease in Childhood” Biotinidase deficiency can be easily diagnosed and treated with biotin to prevent serious harm.
Iron and zinc deficiencies may be treated to help female hair loss.
January 2023 in “Italian journal of dermatology and venereology” The supplement effectively improved hair growth and reduced hair loss safely.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.
108 citations
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April 2004 in “Medicinal Research Reviews” Steroid sulfatase inhibitors could help treat hormone-related disorders and cancers.
4 citations
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December 2020 in “IOP Conference Series Materials Science and Engineering” Beets and potatoes are good sources of iron and manganese, important for health.
1 citations
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May 2019 in “Annals of Medicine” Many food supplements in Portugal have mineral doses above safe levels, posing health risks.
7 citations
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March 1931 in “Experimental Biology and Medicine” Iron deficiency causes hair loss in white rats and mice.
29 citations
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July 1996 in “Acta Paediatrica” Biotin should be added to Japanese amino acid formula to prevent deficiency.
8 citations
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October 2018 in “Dermatologic Therapy” About 41% of Indian hair loss patients have low enzyme activity that affects hair loss treatment effectiveness, with men affected more than women. Testing for this can guide treatment.
April 2022 in “Research Square (Research Square)” Iron deficiency is linked to a common type of hair loss called telogen effluvium.
Raising serum ferritin levels can improve symptoms like fatigue and hair loss, even if hemoglobin levels are normal.
1 citations
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January 2018 in “Journal of clinical & experimental dermatology research” The study found no link between vitamin D deficiency and psoriasis but suggests more research is needed.
March 2011 in “Journal of clinical and experimental investigations” Thallium poisoning can cause hair loss, skin rashes, and nerve damage, and can be fatal if not correctly diagnosed and treated.
November 2022 in “Gene Cell and Tissue” Zinc deficiency might affect vitamin B12 levels.
17 citations
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April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
31 citations
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September 2010 in “Current Opinion in Clinical Nutrition & Metabolic Care” Micronutrient deficiencies may cause hair loss in people on long-term parenteral nutrition.
1 citations
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November 1988 in “Veterinary Record” Folic acid helped a calf regrow hair lost due to deficiency.
18 citations
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November 2021 in “Skin Appendage Disorders” Women with hair loss may benefit from higher iron levels.