Theraworx Relief FastActing for Leg Cramps, Foot ...
My "go to" supplement to get to sleep or resolve night cramps had been a Phillips Milk of Magnesia halfcaplet or a whole caplet or more, depending on how severe the cramps were and if they recurred, because the Phillips work in 25 minutes for me without fail, but almost any oral magnesium supplement or tablet will work fairly quickly.