Anna Daniel, Małgorzata Piekarska-Kasperska, Kacper Jankowski, Natalia Kraciuk, Alicja Bury, Karol Bartecki, Julia Błoniecka, Jan Kamiński and Ewa Siedy-Florek 2025. COLLAGEN SUPPLEMENTS IN PUBLIC HEALTH: A CRITICAL REVIEW OF EFFICACY, ACCESSIBILITY, AND SOCIAL PERCEPTION. International Journal of Innovative Technologies in Social Science. 3, 3(47) (Sep. 2025). DOI:https://doi.org/10.31435/ijitss.3(47).2025.3617.