To assess the anti-cancer activities of 3 composite nanoparticles (3NPs): As4S4/ZnS/Fe3O4 (1:4:1), As4S4/ZnS/Fe3O4 (1:4:1) with FA, and As4S4/ZnS/Fe3O4 (1:4:1) with FA and Alb in MM, the cytotoxic effects of 3NPs against MM cell lines were examined. Here, ALB is linked to cancer.