How does ketogenic diet help in Epilespy?

Question

Ketogenic diet has been used for resistant epilepsies.
How does ketogenic diet actually help in epilepsy?

Answer 1

I made a lot of research in the internet.
There are some metaboli conditions where blood sugar can be normal but csf has low sugar due to mutation in glut 2 transporters. Seizures in such conditions are helped by Ketogenic diet which serves as alternate fuel for brain metabolism.