Even as an adult you can greatly improve your immune system without drugs or strange diets. Read about that here. Bacteria cause disease which helps build your immunity against future attacks of the same bacteria. This web site has more than 2,000 pages of information explaining how bacteria cause disease. When your body is healthy your immune system should handle any germ or bacteria without need of antibiotics.
Colostrum is mother's milk during the first few days of breastfeeding.
That is a dangerous lie. Once you have these transfer factors in your body, your body then handles diseases, from bacteria or other sources, in the normal natural way. Babies are susceptible to bacteria. Mother's milk can protect them. It turns out, that people who are often sick, have a bacteria which the immune system couldn't recognize.