So what is the best selling candy in the U.S.? If you said candy corn, you would be correct. At just 3.57 calories a piece, candy corn is a Halloween staple, but it hardly resembles corn and isn’t the least bit healthy, a U.S. food expert says. Candy corn is made primarily from sugar, corn syrup, wax, artificial coloring and binders, but recipes vary by manufacturer. So how much candy corn do American eat every year? 20 million pounds! That’s music to your dentist’s ears! Happy Halloween! Connect on Face Book!