That is an interesting question. I found this question asked but not much of an answer.
http://www.postgradmed.com/issues/2002/04_02/cc_apr.htm
Macrolipasemia in Crohns may be a possiblitity, but seems to be rare.
http://www.ncbi.nlm.nih.gov/entrez/q...&dopt=Abstract
It seems like doctors need to get out of their offices and see what is sold in health food stores sometimes. They usually have no clue about nutritional supplements and other things like enzymes. If it is not sold by the pharma companies then they just don't know about it.