CanPrev BioPQQ® 60 Veggie CapsClinically proven pyrroloquinoline quinone Potent antioxidant defence Highly bioavailable Free radicals are unstable molecules that are missing an electron in their outer shell. They can cause damage to cell structure and function thanks to their habit of stealing electrons from stable cells. At any given time, your body is full of free radicals. They occur naturally due to various chemical reactions in the body, and a controlled amount of oxidation