The treatment of any injury is important to prevent the infection and for the proper functioning of the body. The treatment of any infection is divided into the different classes.
The class III treatment is used in the cases where the causative agent is already known. If the individual is infected with virus or prion, the class III treatment is used in this case. The class III treatment will ensure properly whether the disease is caused by viroid, prion or any other infectious agent.
I believe you meant a food label, so always know/look at your fats. And definitely look at the rest of the ingredients list, but the first thing you should look at is the fats.