Endogenous antioxidant molecules like vitamin C, vitamin E, and glutathione manage free radicals by donating or gaining electrons.

“so what our body is doing is having molecular policeman molecules like vitamin C vitamin E glutathione that are in charge of sort of policing this movement of electrons and so when we say that vitamin C can be an antioxidants we mean that vitamin C can either donate or gain electron to manage some of these free radicals”