Aptamil Anti-Reflux Baby Milk Formula Powder from Birth to 12 Months 800g. Aptamil Anti-Reflux. Aptamil Anti-Reflux is a specially thickened formula, designed to help feeds stay down. Suitable from birth, Aptamil Anti-Reflux is formulated for the dietary management of frequent reflux and regurgitation. If you think your baby has frequent reflux speak to your health visitor or pharmacist for advice.. Thicker foods are proven to help reduce the symptoms of reflux. Aptamil Anti-Reflux is specially formulated with carob bean gum so that the milk is thicker in consistency. It is clinically proven to be thicker on preparation than other anti-reflux formulas, and it also stays thicker in your baby’s stomach.