78 citations
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December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
71 citations
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June 2008 in “Annals of Internal Medicine” Excessive selenium from supplements can be harmful.
27 citations
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June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
12 citations
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June 2023 in “Journal of trace elements in medicine and biology” Eating too much selenium can cause bad breath, hair loss, and nail changes, with harmful effects starting at low daily doses.
Selenium can be toxic to animals, causing serious health issues, especially in horses.
382 citations
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February 2010 in “Archives of Internal Medicine” A manufacturing error in a dietary supplement caused severe selenium poisoning, affecting many people and highlighting the need for stricter quality control.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
12 citations
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December 1962 in “Journal of Investigative Dermatology” October 2009 in “The American Journal of Gastroenterology” Excessive selenium intake can cause liver damage.
16 citations
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January 1996 Selenium levels in Enshi District need careful monitoring to prevent health issues.
7 citations
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January 1995 in “Journal American Society of Mining and Reclamation” Excess selenium and sulfur in plants can harm animals, causing symptoms like hair loss and poor reproduction.
1 citations
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December 2019 Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.
July 2025 in “International Journal of Pharmaceutical Sciences Review and Research” Balanced selenium intake from wheat is crucial for preventing hair loss.
30 citations
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January 2023 in “EFSA journal” Adults should not consume more than 255 micrograms of selenium per day to avoid risk of hair loss and other side effects.
13 citations
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January 2012 in “International Journal of Trichology” Eating too many paradise nuts for cancer prevention caused a woman to lose all her hair due to selenium poisoning.
5 citations
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May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
The chapter explains causes of hair loss and excessive hair growth in animals.
July 2008 in “International Society of Hair Restoration Surgery” Total Body Mega Formula supplement can cause severe hair loss due to selenium toxicity.
70 citations
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June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
October 2025 in “Jurnal Ilmiah Kedokteran dan Kesehatan” Multivitamins can help hair growth and health, especially if you have nutritional deficiencies, but should be used carefully.
1 citations
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January 2018 in “Molecular and integrative toxicology” Getting the right amount of selenium is important for health; too little can cause disease, and too much can lead to toxicity.
1 citations
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June 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” The Enterobacter isolate AMS1-S8 is effective for removing selenium from wastewater.
Selenium is essential but can be harmful in excess, and China struggles with balancing its levels for health.
115 citations
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December 1996 in “PubMed” The safe daily selenium intake is up to 819 micrograms.
20 citations
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February 2013 in “Nutrition” Selenium-enriched green tea might be a safe prebiotic for gut health.
7 citations
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August 2025 in “Plants” Selenium from plants is beneficial and safer for health.
January 2004 in “Chinese Journal of Aesthetic Medicine” High levels of sodium fluoride harm hair growth, but sodium selenite can reduce this harm.
Sodium fluoride can harm hair follicles, but sodium selenite can help protect them.
79 citations
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January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
7 citations
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October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.