May 2025 in “International Journal of Trichology” In this study, Pilopeptan® Intensive, a nutritional supplement containing hydrolyzed collagen, Group B vitamins, and zinc, was found to significantly improve hair parameters in telogen effluvium patients, with sustained benefits observed posttreatment, although mild side effects were reported by some participants.
June 2023 in “Italian journal of dermatology and venereology” In this study, researchers evaluated an oral supplement containing arginine, l-cystine, zinc, and vitamin B6, finding it effective as an adjuvant treatment for telogen effluvium, as indicated by improved hair quantity and diameter after three months in 18 patients.
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June 2020 in “Journal of Advanced Research” This study found that high-dose vitamin A and E supplementation with zinc may improve glycemic control and beta-cell function in patients with type 2 diabetes, compared to no supplements.
March 2022 in “Annals of Bariatric Surgery” This study found that protein supplements combined with micronutrients reduced hair loss more effectively after sleeve gastrectomy in women, compared to routine multivitamins alone.
November 2023 in “Cureus” In this study conducted in Jazan, Saudi Arabia, most participants were aware of vitamin D, zinc, and ferritin deficiencies and their link to hair loss, but only about a third practiced daily sun exposure and vitamin supplement use, highlighting a need for improved health education.