What is the sourest candy in world?

It's difficult to definitively say which candy is the "sourest" in the world because sourness is subjective and can vary based on individual taste preferences. However, some candies known for their extreme sourness include:

* Warheads: These candies are known for their intense sourness, often described as "eye-watering." They come in a variety of flavors, all of which boast a high sourness level.

* Sour Patch Kids: These chewy candies are another popular choice for those who enjoy sour flavors. The sour coating is quite intense, especially on the "Sour" variety.

* Toxic Waste: This candy is known for its extreme sourness, with some flavors even claiming to be "world's most sour."

* Sour Power: These candies come in various shapes and sizes, but they all have a high sourness level.

* Swedish Fish: These candies are not traditionally considered sour, but they can be quite tangy, particularly the "Sour" variety.

Ultimately, the "sourest" candy for you will depend on your individual taste buds. It's best to try a few different brands and flavors to find what you enjoy most.