You probably have an compromised immune system. You can greatly improve your immune system without drugs or strange diets. Read about that here. These are the parts of the immune system which eat the bacteria, parasites, viruses, germs, fungus and other assorted bad characters. When your body is healthy your immune system should have many lymphocytes.
Colostrum is mother's milk during the first few days of breastfeeding.
That is a dangerous lie. Her milk actually contains lots of lymphocytes, but none of them can be absorbed by the baby. It turns out, that people who are often sick, don't have enough lymphocytes. You may need what is contained within colostrum to fight every germ you ever have invade your body.