Why Athletes Turn to Pickle Juice During Competition
It's not clear why pickle juice relieves cramps. Like traditional sports drinks, it contains high concentrations of sodium, which athletes lose when they sweat, and potassium, an electrolyte. But studies have suggested pickle juice actually provokes a neurological reflex that prevents muscles from cramping. "There are a lot of athletes that swear by it—they don't care exactly how it's working," says U.S. Olympic Committee senior sport dietician Alicia Glass. "As evidence-based practitioners, we would like to know exactly what it is before we start recommending it."
Tiafoe isn't the only athlete quaffing pickle juice during competition. New Jersey Devils winger Blake Coleman started drinking it at Miami (Ohio), and he's continued guzzling it in the NHL. He readies two eight-ounce bottles of P20 pickle juice—his own signature line—before every game. "Gatorades, electrolyte packets—I've tried it all," he says. "Pickle juice is the one thing that allows me to not cramp through an entire game..."