Some guys have to choke it down, but then they come back and ask for more. Williams is pursuing a grant to study the brine scientifically. Conway predicts the tests will determine it's the vinegar. We mostly stick to the pickle juice. Doug King, an associate professor of health and human performance at ISU, doubts that vinegar would do much for athletes, but he said sodium helps keep people hydrated.
Pickle juice is full of sodium.
King doesn't want to make a judgment on the pickle-juice craze until he finds out exactly what's in the stuff. They wouldn't tell me.