Evaluation of Ketoflo

Inclusion Criteria: i) Diagnosis of a condition requiring a ketogenic diet (KD) e.g. intractable epilepsy, Glut-1 deficiency syndrome (Glut-1 DS) etc. ii) Aged 3 - 18 years of age (inclusive). iii) Established on a ketogenic diet for at least 3 months under the supervision of a clinician and/or dietitian trained in the use of the KD. iv) Requirement for a liquid ketogenic feed. v) In the opinion of the investigator, the participant (and parent/guardian, if relevant) is/are able to comply with the study protocol requirements and complete the diary and questionnaire. vi) Willingly given, written, informed consent from participant (or parent/guardian, if relevant) vii) Willingly given, written assent (if appropriate). Exclusion Criteria: i) Inability to comply with the study protocol, in the opinion of the investigator. ii) Under 3 years of age or over 18 years of age. iii) Medical conditions in which the KD is contraindicated. iv) Previous clinical evaluation indicating unsuitability for the KD.