Tried a lot since he’s 1/2 1/2 but ended on Similac Pro Sensitive and it works the best

I had to try a bunch of different ones before we finally found one he liked. He used Similac advance (i think thats the name at least) with no problems.

We started with the honest company and she transitioned really well. Then about two months into formula she was getting really constipated and we had to switch formula a few times before sticking with similac alimentum