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This study demonstrated that mink hair growth and pelt quality significantly depend on dietary protein levels and DL-methionine supplementation during the growing-furring period.

This study found that the oral supplement INVERSION® Femme significantly reduced weight and hair loss and improved skin and nails in overweight women.

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.

This research highlights selenium's critical roles in various biological processes and underscores the potential health impacts of both its deficiency and excess, including increased mortality risk, poor immune function, and neurological issues.

This study observed that increasing dietary vitamin C in capybaras significantly improved their skin, coat, and weight, though other nutrients might also have contributed to their improved condition.

This study found that the Pseudomonas sp. T5-6-I strain significantly increased selenium accumulation and root hair density in Brassica oleracea, highlighting its potential for phytoremediation and biofortification.

In this study, selenium-rich diets enhanced antioxidant activity in aged mice, suggesting potential biological benefits, although further trials are needed to fully understand long-term risks and benefits.

In this randomized trial, lupus patients taking daily 200 μg selenium supplements for eight weeks showed significant improvements in metabolic markers like CRP, ESR, MDA, and GPX, as well as reduced clinical symptoms such as arthritis and alopecia, compared to those receiving a placebo.

Selenium helps prevent thyroid issues and cognitive decline in the elderly, but balance is key.

This study concluded that selenium supplementation for ovarian cancer patients during chemotherapy may have several beneficial effects, such as increased antioxidant enzyme activity, reduced chemotherapy-related symptoms, and higher selenium levels in serum and hair.

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 found that dietary supplementation with collagen, chondroitin sulfate, low-molecular weight hyaluronic acid, Pycnogenol®, and coenzyme Q10 significantly improved skin hydration, elasticity, nail hardness, and hair condition in patients with age-related dermatological changes after 12 weeks.

This study found that using Urtica cannabina extract shampoo led to increased levels of copper, zinc, and iodine in the scalp hair of Mongolian women, along with improvements in hair growth, diameter, and density compared to a regular shampoo.

This review discusses the potential role of the dietary antioxidant index in reducing the risk of various diseases, including obesity-related conditions, certain cancers, osteoporosis, and mental illnesses, but calls for further studies to confirm these findings.

This review discusses the role of Nutrease powder in managing hormonal disturbances in polycystic ovary syndrome and reports no new clinical results.

This study found that a biocomposite microneedle system, which includes selenium nanozyme and hypoxic extracellular vesicles, enhanced hair density and follicle diameter in androgenetic alopecia mice by fighting inflammation, promoting blood vessel growth, reducing reactive oxygen species, and counteracting androgen effects.

This review highlights the role of plant-derived organic selenium compounds, noting their high bioavailability and low toxicity, and provides a comprehensive overview of selenium's uptake in plants and metabolism in humans, offering a theoretical basis for future nutritional research.

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 link between selenium supplementation and symptoms of chronic selenium toxicity, such as hair loss and nail dystrophy, due to excess intake leading to disruptions in hair and nail protein structure.

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

This review discusses the use of nutraceuticals in dermatology for preventing and reversing signs of skin aging, but it reports no new clinical results.

This review highlights the critical importance of a balanced diet, with adequate proteins, vitamins, and minerals, to support skin health and potentially treat inflammatory skin conditions like psoriasis and atopic dermatitis, emphasizing the need for evidence-based dietary guidance.

This study suggests that selenium deficiency accelerates aging-related health deterioration in mice with short telomeres, providing a model for exploring selenium’s role in human aging.

Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.

This study suggests that selenium deficiency contributes to aging signs and health deterioration in a mouse model, supporting selenium's role in genome maintenance and protection against oxidative stress.

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 article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.

This article proposes five different mechanisms for telogen effluvium, supported by clinical findings, based on changes in different phases of the hair cycle.

This article reviews the impact of nutritional deficiencies on hair health, detailing how they can cause structural abnormalities, pigmentation changes, or hair loss; it presents no new clinical findings.

This article reviews the role of diet in various skin disorders and suggests that dietary changes may aid in managing certain conditions, though it reports no new clinical findings.