You might try this out as it stopped my cramps cold.

I take (1) Potassium Gluconate 595 mg tablet every morning with my
meds & vitamins. Since it's a hi dose concentrated it beats bannanas
by a bunch. The great part is your body will use what it needs and
dump the rest in your waste. It will do no harm.

So give it a try, mate. I used to have cramps so bad my thigh muscles
would get small tears. Since I've added the (1) postassium I'm
pain free.