There are 2 types of tacrolimus pills: immediate release and long acting. The immediate release version goes by the generic name tacrolimus, or by the brand name Prograf<SUP> </SUP>. The long acting version goes by brand name Astagraf XL<SUP> </SUP>, or brand name Envarsus XR<SUP> </SUP>. Your transplant team will pick the best type of tacrolimus for you.