We did. And while the formula itself was good and DS tolerated it fine....we found when you shook it up, half the bottle turned to foam and bubbles so we stopped using it.
BFP #1 11/28/09 ~ EDD 8/6/10 ~ DS Born 8/9/10 BFP #2 8/27/13 ~ EDD 5/8/14 ~ Natural MC 9/18/13 at 6 weeks, 6 days BFP#3 3/28/14 ~ EDD 12/7/14 ~ DD Born 11/21/14 BFP#4 6/15/17 ~ EDD 2/20/18
We tried it twice, once when Bean was about a month old, and once when he was about 7 months old. It dissolved much slower, was foamier for longer after mixing, and made Bean very fussy (both times).
Similac is the only thing that he does well with.
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Re: Anyone switch from Similac to Costco's Kirkland Brand Formula?
BFP #1 11/28/09 ~ EDD 8/6/10 ~ DS Born 8/9/10
BFP #2 8/27/13 ~ EDD 5/8/14 ~ Natural MC 9/18/13 at 6 weeks, 6 days
BFP#3 3/28/14 ~ EDD 12/7/14 ~ DD Born 11/21/14
BFP#4 6/15/17 ~ EDD 2/20/18
We tried it twice, once when Bean was about a month old, and once when he was about 7 months old. It dissolved much slower, was foamier for longer after mixing, and made Bean very fussy (both times).
Similac is the only thing that he does well with.