October 2025 in “Jurnal Ilmiah Kedokteran dan Kesehatan” This literature review reports that multivitamin supplementation can enhance hair density and quality in people with suboptimal nutritional status but warns that excessive intake of certain vitamins and minerals may cause hair loss.
January 2024 in “Majmaah Journal of Health Sciences” This study found that among university students in Saudi Arabia, the use of multivitamins for hair loss was common, especially among females and with increasing age, though students' attitudes toward these supplements were generally positive regardless of gender or age.
January 2022 in “International journal of advanced research” This review discusses the theoretical benefits and usage attitudes of multivitamins, shampoos, and hair ampules for treating hair loss, but reports no new clinical results.
January 2022 in “Zenodo (CERN European Organization for Nuclear Research)” This review discusses the potential benefits of multivitamins, hair shampoos, and ampules on hair growth but reports no new clinical results.
October 2018 in “The Egyptian Journal of Hospital Medicine” In this study of 1,015 adults, 57.3% reported improved hair fall after using multivitamins for over three months, though side effects like abdominal pain and diarrhea were noted in 18.5%; only 37.4% used them under medical supervision.