If you’ve ever been stopped dead in your tracks during exercise by a muscle cramp, you know you’ll try almost anything to make it stop. There have been countless theories and remedies put forward to explain and treat a dreaded muscle cramp, but science still has a bit of catching up to do. But there is one particular treatment that has been gaining traction by athletes as a secret weapon to treat cramps. And it is one that sounds more like a pregnancy craving than a sports supplement: it is p...