Originally I started using just Enfamil Lipil, which seemed fine. Then my baby quit pooping, he was uncomfortable and crabby. I tried the GentleEase by reccomendation from a friend and refuse to switch. My baby seems to be very content with this formula. My baby is no longer constipated or overly gassy.  I reccommended this product to several other people who have had fussy babies, and have heard good things back from them about it.… read full review »