1 citations
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February 2022 in “Journal of the American Academy of Dermatology” This review discusses biotin supplementation for dermatological conditions and highlights the lack of strong evidence supporting its efficacy, as well as the potential for laboratory testing interference.
3 citations
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March 2022 in “International Journal of Trichology” This study found that nutritional supplementation with hydrolyzed collagen, amino acids, vitamins, and minerals significantly improved hair anagen/telogen ratios and hair density in telogen effluvium patients.
May 2023 in “Elsevier eBooks” 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.
January 2014 in “Surgical and Cosmetic Dermatology” This study found that nutritional supplementation improved hair loss in women with telogen effluvium, showing a significant increase in anagen hairs and reduction in telogen hairs after three months.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” This review explores the role of nutritional factors in hair loss, noting that iron and l-lysine supplementation may benefit some individuals, while excessive supplements can lead to hair shedding.