Hi my baby is 7months , at first she started taking bottle for 2 months after that she in want no bottle , I use to give her enfamil and she does have trouble to go off, and then try SMA gold, which she use to vomit,she is not a baby to be vomiting, so i don't no if is the taste or what, now she is on breast only, she rather drink from a cup than take her bottle,am giving her rice cereal with water, and she does get constipation , i want to get on a formula without any problems, someone told me that there daughter had that same problems and they giving her promil, does it have any side effects, yes I no breastfeeding is the best as everyone say, I want her to stop take breast and start taking her bottle