artificial flavors (and/or) preservatives

"Artificial" means "not natural". "Preservatives" are chemicals which are put in food to keep it from going bad quickly. So "artificial flavors and preservatives" are chemicals which are put in food to make it taste different or last longer.

You mostly find this phrase on food commercials and packaging. Foods which are made naturally will often advertise "No artificial flavors or preservatives!"

This phrase appears in these lessons: