Is Furiwang's pop rock toxic?

Some people may put drugs in pop rocks, but pop rocks itself is not poisonous.

Pop rock is a very interesting snack. The carbon dioxide contained in pop rocks is heated and vaporized in the mouth to generate thrust, which makes pop rocks particles jump in the mouth. The characteristic and selling point of Pop rocks is that interesting carbonated candy particles crackle on the tongue! This product was very popular as soon as it was launched and became the favorite of children. Pop rocks is an innovative candy, which appeared in the American market from 65438 to 0974. The inventor is Mitchell, a research and development scientist at General Foods. 1985, Kraft bought the manufacturing right of pop rocks and changed its name to ActionCandy, and produced pop rocks through a subsidiary called Carbonated Candy.