6 citations,
March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
30 citations,
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.
4 citations,
July 2012 in “Dermatologic Clinics” New biopsy techniques and tools improve alopecia diagnosis, and both too much and too little selenium can cause hair loss.
70 citations,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
18 citations,
May 2016 in “Annals of Medicine” The article concludes that correctly diagnosing systemic causes of hair loss requires a detailed clinical evaluation and a systematic diagnostic approach.
78 citations,
December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
April 2024 in “Skin appendage disorders” Environmental pollutants can damage hair health and cause hair loss.
10 citations,
April 2019 in “Environmental Science and Pollution Research” Eating selenium-rich rice improved antioxidant activity and signs of aging in mice.
Selenium can be toxic to animals, causing serious health issues, especially in horses.
February 2024 in “Journal of Geochemical Exploration” Selenium levels in soil, crops, and human hair in Northwest China are within safe limits.
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.
1 citations,
November 2016 in “Congenital Anomalies” Get head MRI for babies with achondroplasia early, use free immunoglobulin light chains to detect certain neurodevelopmental disorders, and video calls work for speech therapy in patients with facial anomalies.
1 citations,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
2 citations,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
January 2012 in “Journal of Natural Remedies” The Abrus precatorius extract can effectively promote hair growth similar to standard treatments.
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.
20 citations,
February 2013 in “Nutrition” Selenium-enriched green tea might be a safe prebiotic for gut health.
February 2023 in “European journal of geriatrics and gerontology” Selenium helps prevent thyroid issues and cognitive decline in the elderly, but balance is key.
The chapter explains causes of hair loss and excessive hair growth in animals.
13 citations,
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.
Antioxidant therapy, especially with selenium, can improve skin aging in patients with Metabolic Syndrome.
Some goats get rare skin diseases from not enough vitamin E, selenium, or zinc, but they're usually still healthy.
6 citations,
September 2023 in “International journal of molecular sciences” Oxidative stress worsens PCOS by damaging cells and disrupting metabolism, suggesting antioxidant treatments might help.
134 citations,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
May 2023 in “Elsevier eBooks” Some nutritional supplements may help thicken hair in people with hair loss, but taking too much can cause side effects.
July 2018 in “International journal of clinical & experimental dermatology” Eat a balanced diet for healthy hair; only use supplements if you have a proven nutrient deficiency.
April 2016 in “Journal of The American Academy of Dermatology” A vitamin and mineral supplement significantly reduced hair shedding in Brazilian women with telogen effluvium.
22 citations,
August 2019 in “Environmental research” Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
18 citations,
September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.