It seems everytime I go into the gym and workout some part of my lower body my legs cramp up all over the place to the point where I can't even workout. I drink plenty of water, but as far as potassium goes what would be the ideal dosage that I can take for the over the counter supplement? I am not a big fan of bananas and it seems that is a great source for potassium. Any suggestions on this problem...........thanks!