So our sweet baby is now on her 4th formula, she's only 7 weeks old :/ We tried Enfamil newborn, then gentlease, nutramigen, and now her doctor wants us to try Neocate. It's a prescription formula. I picked up our first can today ($45 a can!!!!) Does anyone have any experience with this formula? I know that all babies are different but I'd like to hear your experiences.