My son was probably on every formula out there.  He started spittiing up around 2 weeks old and they put him on enfamil AR, that was a complete nightmare.  The enfamil AR still has the milk protein in it so it really doesn't help babies who are lactose intolerant. Needless to say, we were told to put him on a soy formula, so we tried the Goodstart soy.  He continued to spit up with the powder so we tried the concentrated, and it was like a miracle.  Don't get me wrong, he still spit up multiple times throughout the day, but it wasn't every 5 minutes, he quit having gas also.  The soy formula...