Are antioxidants just helping all growth across the board, including tumors? Or do they help tumors more than other tissue? I guess there’s a chance it might b

Are antioxidants just helping all growth across the board, including tumors? Or do they help tumors more than other tissue? I guess there’s a chance it might be an unfortunate or misleading message here if supplements reduce the risk of getting cancer more than they increase the severity once someone has it?