Cramp
Cramp
Cramps, spasms, and similar.
Muscle cramps are a mineral deficiency; gall bladder, menstrual, gut and so on cramps aren't.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.