540... that's how many calories are in a Tony's frozen cheese pizza. But what else is in it that's nutritious? Not a whole lot. Sure, there's some protein and carbs, but you'll be hard pressed to find antioxidant value, as this frozen pizza ranks among the very bottom of our database.
ORAC Source
Research Support, Non-U.S. Gov't: Carlsen MH, Halvorsen BL, Holte K, et al. Nutrition Journal NIH Jan 2010