Hello @fim and welcome to the NETs support group on Mayo Clinic Connect. I see that you are looking to connect with others who have a similar diagnosis and have taken Xermelo. Here is a link to many of the posts mentioning Xermelo. I encourage you to read the posts and see what others are saying about this medication:
https://connect.mayoclinic.org/search/
As you are looking to connect with others who have a similar diagnosis, I would like to invite @dbamos1945, @vinnie694, and @tomrennie to this discussion so they can share their experiences with you.

Are the digestive problems the most troublesome symptoms you are having at this time?