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This source highlights the increasing use of nutritional supplements among patients with androgenetic alopecia, noting positive effects on hair thickness and density in controlled trials, while emphasizing the need for further research to understand their safety and efficacy.

This review discusses the potential role of vitamins and minerals in managing non-scarring alopecia but reports no clinical results; the authors advocate for further controlled trials to explore these relationships.

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 review discusses the role of biotin in metabolism and its dietary requirements, but provides no new experimental findings.

This review discusses biotin and biotinidase deficiencies, their symptoms, and methods of medical management, without presenting new clinical findings.

This review revisits the principles regarding the critical role of diet and nutrition in managing certain skin diseases but reports no new findings.

This study found that puppies fed organic selenium had better retention of selenium compared to those fed inorganic selenium, with no significant difference in coat quality or hair growth.

This study found that male germ-free rats fed semisynthetic diets do not grow as rapidly as their conventional counterparts and require dietary biotin for normal metabolism and folic acid biosynthesis.

This article reviews the classification and characteristics of water soluble vitamins, focusing on their varying solubility and functions, and reports no new experimental findings.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

In this study, GV-350 treatment over three months improved iron status and reduced the impact of Telogen Effluvium on quality of life among 20 iron-deficient women, with no adverse events reported.

This study found that adding 10 mg/day of biotin to isotretinoin treatment for acne improved hair growth and maintained skin hydration, potentially reducing isotretinoin's mucocutaneous side effects.

This source highlights that while plant sterols show potential benefits and applications in various industries, significant research gaps, including their complex structures and mechanisms, hinder their broader use, emphasizing the need for innovative sources and sustainable methods for their study.

This review discusses the role of mineral nutrients in human health, emphasizing the importance of dietary sources and education to prevent mineral deficiencies, and reports no new clinical results.

This study found that antibiotic-induced gut dysbiosis, particularly overgrowth of Lactobacillus murinus, can lead to hair loss in mice by depleting biotin.

This review critiques the unwarranted promotion of biotin for hair and nail improvements, noting the lack of evidence for routine use and highlighting concerning trends in consumer and physician practices.

This review discusses environmental factors like UV radiation and smoking that affect hair health and highlights the potential role of nutrition, but it reports no new results.

This review covers dermatological conditions experienced by ice-skating athletes due to cold exposure, infections, and inflammation, providing no new clinical findings and emphasizing diagnosis and treatment strategies.

In this study, researchers identified genetic variants in the PCCA and PRLR genes that are significantly associated with hair coat length in Brangus heifers, potentially contributing to more thermotolerant cattle.

This study found that oral intake of choline-stabilized orthosilicic acid (ch-OSA®) significantly improved hair, skin, and nail health in the Indian population, with no reported side effects.

This study presents a method using liquid chromatography tandem mass spectrometry to quantify biotin in plasma and serum, and explores how high biotin intake can interfere with diagnostic immunoassays that utilize biotin-streptavidin technology, potentially leading to misdiagnosis of endocrine disorders.

In this study, a polyphenol and biotin supplement improved skin roughness and significantly reduced hair shedding, but did not demonstrate clear superiority over placebo in overall skin outcomes.

This study found that a combination of probiotic strains of Lactiplantibacillus administered over 16 weeks reduced the number and density of telogen hairs in individuals with androgenic alopecia, while increasing the abundance of Lactobacillus in their gut microbiota.

This study found that senior dogs fed amino acid-complexed and lysine-glutamic acid-complexed trace minerals had longer, faster-growing hair and increased activity compared to those fed inorganic trace minerals.

This review discusses various potential adverse effects of common oral vitamin and mineral supplements used in dermatology and highlights lesser-known issues like hematologic and neurologic effects from zinc.

This study demonstrated that a daily oral supplement of 1000 mg Kera-Diet® improved hair and nail conditions in women experiencing acute telogen effluvium and brittle nail syndrome over three months.

This review discusses biotinidase deficiency, noting that biotin treatment from birth can prevent symptoms, but acknowledges the complexity and need for further understanding due to late-onset cases with varied clinical findings.

This study found that 38% of women with hair loss had a biotin deficiency, suggesting oral biotin supplementation should be based on confirmed biotin deficiency rather than as a general treatment.

In this study, researchers found that a polyphenolic extract from Annurca apples, high in procyanidin B2, increased hair growth, density, and keratin content in healthy subjects after 2 months of use, and stimulated keratin biosynthesis in vitro.

This article reviews the empirical use of algae in traditional remedies and highlights the need for scientific understanding of algae's bioactive compounds used in cosmetics without providing new experimental results.