They’re lurking at almost every rest stop, convenience store and grocery. The Twinkie is well known, but with a closer look, we can learn a lot about lesser known junk food ingredients. Ever wonder what Red 40 looks like? How about the delicious Polysorbate 60?

A general rule of thumb when it comes to healthy eating: If you can’t pronounce all of the ingredients in your food, and/or have to look more than half of them up because you don’t know what they are, EAT SOMETHING ELSE.