Quote Originally Posted by Running Mommy
Sounds like magnesium to me.. Have you tried supplementing mag? Slo mag works the best. I have a HUGE problem w/ this. It sounds like your salt is in line, but potasium and mag may need to be supplemented. Try the mag first tho. I have a non athletic friend who wakes up at night with HORRIBLE leg cramps if she doesn't supplement magnesium. But don't take potasium and magnesium at the same time if you try both... Just a heads up.
yup - but do take Mag and Cal at the same time as they help each other with your bodys absorption.