of my drinking and sodium needs," says Culpepper.SuperhydrationStoring extra water would be nice, but runners aren’t camels. Still, two simple substances seem capable of promoting superhydration: common salt, and glycerol – a legal supplement. A New
Yes, runners sweat a lot. Yes, they need to consume water, sugar and electrolytes (ionised salts in blood, tissue and cells) when they run for 90 minutes or more, particularly in warm weather. But unless you're training for a marathon this spring
