Everyone knows that fast food isn’t healthy, but you probably don't realize just how unhealthy some of your favorite items are. As delicious as burgers, fries, pizzas, and shakes can be, some have so many calories that they could put off even the biggest fast-food fans.
In fact, it may shock you to find out that chains like McDonald's, Burger King, Wendy’s, and KFC all have single items that have more calories in them than your entire recommended daily allowance.
So, which items on fast food menus pack the most calories? Click on to find out.