Ah mommy, ganyan din ang nangyari sa amin with Isomil noon, ang baby ko parang laging uncomfortable at gassy talaga, kaya nag-switch kami ng formula! A few of us moms talked about it din, and sobrang common na babies don't take well to certain formulas, kaya okay lang mag-try ng iba. Maybe check with your pedia muna kung okay lang mag-change or kung may underlying na issue, because sometimes it's the formula, pero sometimes may ibang cause din like reflux or intolerance. Good luck with the transition, mommy, hopefully makahanap kayo ng formula na okay sa baby!