Pickle juice. Ask Andy Reid, it works!
http://sportsillustrated.cnn.com/foo...es_cowboys_ap/
"The game kicked off in 109-degree heat -- 171 on the artificial turf -- which would've seemed to favor the Cowboys. Reid, however, even had an answer for that: a combination of water and pickle juice, a cocktail suggested by an Iowa State trainer during training camp.
"We loaded them up last night, before the game and during the game," Eagles trainer Rick Burkholder said. "We don't know why it works, but we only had one cramp."