The enzymes that destroy free radicals are called antioxidant enzymes. Here are some of the key players:

* Superoxide dismutase (SOD): This enzyme converts the highly reactive superoxide radical (O₂^-) into hydrogen peroxide (H₂O₂) and oxygen (O₂).

* Catalase: Catalase breaks down hydrogen peroxide (H₂O₂) into water (H₂O) and oxygen (O₂).

* Glutathione peroxidase (GPx): This enzyme uses glutathione (GSH) to reduce hydrogen peroxide (H₂O₂) and lipid hydroperoxides (LOOH) into less harmful products.

* Peroxiredoxin (Prx): A family of enzymes that utilize thioredoxin to detoxify hydrogen peroxide and other reactive oxygen species.

These enzymes are found in various parts of the body, including the liver, kidneys, and red blood cells. They play a crucial role in protecting cells from damage caused by free radicals, which can contribute to aging, diseases like cancer, and other health problems.

It's important to note that while these enzymes are crucial for fighting free radical damage, their activity can be influenced by factors like diet, lifestyle, and genetics.