A treatment for epilepsy that's as cheap as chips and not a ketogenic diet.

I did some research on PubMed about epilepsy and found something unexpected.

From https://en.wikipedia.org/wiki/Magnesium_sulfate

The art of magnesium transport.
"Patients with hypomagnesemia suffer from a wide range of symptoms including muscle cramps, cardiac arrhythmias and epilepsy."

See also Magnesium: Just as important as Calcium , The usual suspects and Depression: The similarity between magnesium and ketamine.