This Is What Makes Candy Sour

If you've ever eaten a sour candy, you know that the taste is much different than a sour fruit, like a lemon. It's not a flavor that occurs in nature, but you probably aren't expecting a Warhead, sour gummy worm, or Lemonhead to be natural and healthy anyway. How do they make the candy so sour, and how does it stay sour for so long? There are actually a few different ingredients in play, and some of them give the candies that initial punch, while others will make the sour flavor last. Let's take a look at what really makes candy sour.