June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
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.
79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
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.
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.
Selenium is essential for health, but too little or too much can cause serious health problems.
1 citations
,
June 2009 in “Integrated Environmental Assessment and Management” Selenium is essential in small amounts but toxic in excess, requiring careful management.
4 citations
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January 1989 Hair and nails can indicate selenium levels in the body.
4 citations
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May 2019 in “Zeitschrift für Naturforschung C” Ishige sinicola extract helps bone-building cells grow and mature, which could aid in treating osteoporosis.
1 citations
,
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 2023 in “Media Dermato Venereologica Indonesiana” Vitamin D supplements should be used cautiously in sarcoidosis patients, with regular monitoring to avoid high calcium levels.
1 citations
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September 2025 in “Archivio Italiano di Urologia e Andrologia” Serenoa repens extract, alone or with other supplements, improves urinary symptoms and lowers PSA levels.
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
,
May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
September 2019 in “Journal of Investigative Dermatology” Silibinin may help promote hair growth and treat hair loss.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
January 2023 in “Italian journal of dermatology and venereology” The supplement effectively improved hair growth and reduced hair loss safely.
1 citations
,
June 2019 in “Current Developments in Nutrition” S-equol supplements significantly reduced menopausal symptoms in most women.
9 citations
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September 1989 in “PubMed” Sudanese children with severe malnutrition have low selenium levels, which may affect their recovery.
21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
July 2024 in “Skin Appendage Disorders” The supplement significantly improves hair density and appearance in people with hair loss.
Selenium is essential but can be harmful in excess, and China struggles with balancing its levels for health.
2 citations
,
October 1961 in “Experimental Biology and Medicine” Natural feedstuffs help reduce muscular dystrophy in rabbits more than selenium or vitamin E alone.
29 citations
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February 2019 in “Journal of Microbiology and Biotechnology” Silibinin may help hair growth and treat hair loss.
November 2023 in “Cureus” Most people in Jazan know about vitamin D, zinc, and ferritin's link to hair loss but don't practice enough preventive measures.
September 2024 in “Journal of the American Academy of Dermatology” The supplements improved hair density and reduced hair loss.
Calcium and magnesium levels in hair decrease after taking supplements, indicating early metabolic changes in perimenopausal women.
7 citations
,
January 1995 Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.
February 2024 in “Exposure and Health” Selenium supplements may reduce mercury levels in the hair of city dwellers in China.
12 citations
,
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.