@nimalw The important thing is consistency, either take them with food or without food but be consistent.

You say he constantly monitors his tac levels. Can he do that at home or is it that he gets frequent lab work done for his transplant center as I do every other month? Most people, if they take their immunosuppressants at the same time every day actually are fairly consistent in whether they are taking them within a time range of eating or not.
JK