hi all. I have a 2.5yo child that having digestion issues; either constipation or diarrhoea. I already went to specialist and doctor said I have to get her a formula milk that has no added sugar and calcium carbonate. ive checked label and found almost every formula milk has it. do you guys ever across to any formula milk that has no said ingredients, pls share with me. I'll get them immediately. thank you for your help!