Originally Posted by
fstshrk
I think you are wrong.
Well, that's a comprehensive response
Most people have more than enough sodium in their diet, and you aren't going to lose a lot of potassium via exercise. Energy bars and gels obviously contain sodium, many contain potassium and calcium. All the electrolytes you need will be in the food you need to eat on a longer ride. Read the labels.
No one fully understands what causes or can prevent cramping. But we know electrolytes don't prevent cramps. E.g.:
http://well.blogs.nytimes.com/2010/0...muscle-cramps/
Joe Friel's Blog: Electrolytes and Muscle Cramps
Don't Sweat Over Electrolytes