and calcium. I get calf cramps really bad when I don't have enough calcium....and I would suggest using a supplement instead of trying to get it through eating, coz you're probably losing more potassium and calcium than you can replace with just food.
Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, champagne in one hand, strawberries in the other, body thoroughly used up, totally worn out and screaming: "Yeah Baby! What a Ride!"