Since there is a patent which greatly limits anyone's ability perform this extraction, many companies without access to that patent have started claiming immunity benefits to the colostrum itself. Transfer factors are less than one part in a thousand of colostrum. Colostrum is mother's milk during the first few days of breastfeeding. That is a dangerous lie. There are more than 2,000 pages of scientific studies on this web site.
Babies are at risk without the transfer of the immune system from the mother.
Transfer factor is a substance which is starting to revolutionize health care. It has been known about for decades, but only recently was there developed a patented process for extracting the transfer factors from the colostrum in an economical manner. The immune system is just the latest and the most intense of Karl's work. You will find more information on immunity here than any web site in the world.