What is the worlds sourest candy?

The world's sourest candy is often considered to be Toxic Waste Hazardously Sour Candy. It is made with malic acid, which is a common ingredient in sour candies and gives them their intense sour taste. Toxic Waste candies come in a variety of flavors, such as apple, watermelon, and blue raspberry, and are known for their extreme sourness that can make your face pucker up in seconds. They are popular among those who enjoy a challenge and like to test their tolerance for sour flavors. However, it is important to consume sour candies in moderation, as they can be harsh on the stomach and teeth if eaten in excess.