Basically my son is 10 weeks old and has always had big problems with breast feeding, it's got to the point now where he's not been able to stimulate my milk production enough and so I have very little milk. While I do as much expressing as possible to hopefully get the flow up I'm going to supplement his food with formula, my only concern is that he has colic which greatly improved when I stopped eating dairy. Does this mean I should give him the soy formula? Or can I give him other stuff? I am aware that the soy isn't as brilliant for baby as normal cows milk formula, but would giving him the normal stuff upset his digestive system more? I am also a little concerned as he has a very slow digestive system and has been recently only been opening his bowels every 4 days. So much to consider any advice would be so welcome!!