Red dye No. 3 is now banned in the US -- but it'll take time to phase it out completely. In the meantime, the FDA just approved these three natural food colors to take its place.

In-N-Out is changing some of its recipes to remove the dye known as FD&C Red No. 3, now banned from the nation's food supply. The fast-food chain found primarily in the Southwest will remove the dye also known as Red 3 or erythrosine—which gives a bright,

The popular California-based fast food burger chain is giving some of its drinks and ketchup a new taste after the FDA banned red dye No. 3 earlier this year.