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This article describes a case of selenium poisoning in a 36-year-old man who experienced hair loss, nail changes, and paresthesias after taking selenium-containing vitamin tablets.

This study describes a case series of nine patients experiencing symptoms of selenium toxicity after consuming a liquid dietary supplement with an excess amount of selenium.

This review examines the use of selenium and vitamin E supplements for reducing prostate cancer risk, finding mixed evidence that suggests benefits may be limited to individuals with specific risk factors, like low baseline levels or smoking history, rather than broadly applicable.

This article describes a case of selenosis linked to excessive selenium in a nutritional supplement that led to a product recall due to toxicity concerns.

This review discusses the potential benefits and risks of selenium in cancer prevention and treatment, emphasizing that while selenium may offer advantages for tumor patients, further research is needed due to mixed findings regarding diabetes risk.

This study observed that selenium retention in rat hair and nails was influenced by the chemical form of dietary selenium and methionine status, suggesting caution when using these tissues to assess selenium status.

In this study, the Selenium-Chitosan-Mupirocin nanohybrid system significantly enhanced wound healing in a rat model of diabetic wound infection compared to the control, suggesting potential for treating mild diabetic wounds.

This study found that dietary selenium levels above 5 ppm can lead to selenosis in pigs, with white-haired pigs showing alopecia sooner than dark-haired pigs.

This study found that using selenium sulfide shampoo for seborrheic dermatitis was associated with hair loss, which ceased after discontinuing the shampoo.

Excessive selenium in supplements can cause hair loss and nail issues.

This case report identifies alopecia universalis in a worker as a result of occupational selenium intoxication.

In this study, high selenium diets from different sources caused weight and hair loss in pigs, with additional hoof and coronary band problems particularly in those fed sodium selenate.

This case report observed that a selenium-deficient diet in a child with propionic acidaemia led to macrocytosis and hair abnormalities, which improved with selenium supplementation.

This article reviews the role of prebiotics and the potential of green tea and selenium as alternatives due to their non-toxic nature, but it reports no new research findings.

This study investigated the effects of selenium sulfide suspension on hair roots after noticing higher abnormal hair root proportions in individuals using the preparation.

This study found that both low and high dietary selenium levels reduced hair growth in adult dogs, with optimal growth observed at mid-range selenium concentrations.

This review discusses selenium's role in human and animal health, its deficiency's link to diseases in China, and the need for precise geochemical control data; it reports no new findings.

Selenium increased in hair but not in blood after taking supplements.

This study found that small amounts of subcutaneously injected Se75 were deposited and retained in the hair of dogs for up to 316 days.

This study identified dose levels of selenium that can produce toxicity, noting that doses as low as 2-3 µg Se/kg bw/day can lead to adverse effects, and a human mortality study linked 300 µg/day consumption to increased death risk.

This study found that neither a single application nor prolonged exposure to selenium sulfide had a significant effect on hair growth or rest phase percentages.

This study found that urinary selenium to creatinine ratio and serum selenium concentrations quickly respond to changes in dietary selenium, making them useful biomarkers for assessing selenium status in dogs.

This study identified chronic selenosis in horses in western Iowa due to elevated selenium intake from locally produced alfalfa hay, leading to symptoms like alopecia and hoof deformities.

This study observed that selenium levels were lower in Sudanese children with malnutrition compared to healthy German children, with a good correlation between selenium and glutathione peroxidase activity.

This review discusses the forms of selenium and sulfur in soil, their plant absorption, and risks of toxicity to livestock, emphasizing selenium's role in selenosis and sulfur's link to polioencephalomalacia in ruminants; it reports no new experimental results.

Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.

This study found that growth affects selenium deposition in hair, nails, and other tissues of adult and weanling rats, indicating dietary and physiological factors may influence selenium levels.

This book chapter discusses the mechanisms and prevention of selenium toxicity in livestock and reports no new experimental results; it emphasizes reducing selenium in the human food chain through animal products.

This report describes a case of acquired yellow hair discoloration in a 77-year-old woman, potentially caused by applying selenium sulfide after bacitracin zinc to her scalp.

This study found that rabbits fed a diet deficient in Vitamin E developed severe muscular dystrophy that was not fully prevented by adding selenium, Vitamin E supplements, or natural feedstuffs, indicating other nutritional deficiencies.