Only the study team can determine whether someone qualifies for participation.
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.