A number of toxic additives are contained in Flintstones vitamins, according to the National Health Federation. These synthetic additives are actually banned in many countries due to the fact that they are not only harmful to people, but dangerous to the environment as well. This raises the question of why these poisonous chewables are being used by parents as a substitute for the vitamins that can be found in natural foods. On this clip from the Lip News, Lissette Padilla and Mark Sovel raise these concerns while suggesting simple methods that parents can use to keep their children safe.