Research suggests that the Ketogenic Diet: reduces seizure frequency by more than 50% in half of all patients who try it,1 reduces seizure frequency by more than 90% in one third of patients.2 provides seizure freedom in some patients (6-10%). 1Kossof et al. (2009). Ketogenic Diets: an update for child neurologists. J Child Neurol 24(8): 979-988. 2Henderson et al. (2006). Efficacy of the Ketogenic Diet as a treatment option for epilepsy: meta-analysis. J child Neurol 21:193-198.