Inclusion Criteria:  I. Infants and children aged 6 months and over who require a thickener for reflux, GORD, dysphagia II. Infants and children already on a thickener for the management of reflux, GORD and dysphagia III. Parents to avoid introducing new weaning/ new foods (for the older infants) whilst on the thickener for 1 week when measuring GI tolerance and thickener intake IV. Willingly given, written, informed consent from patient or parent/guardian  Exclusion Criteria:  I. Inability to comply with the study protocol, in the opinion of the investigator.  II. Contraindications to any feed ingredients (see nutritional table and ingredients list) III. Allergy to milk (thickener is made in a factory that handles milk) IV. Children under the age of 6 months of age V. Emergencies VI. Participation in another interventional study  -