GHB is naturally produced in the human body's cells and is structurally related to the ketone body beta-hydroxybutyrate. As a supplement/drug, it is used most commonly in the form of a salt.
Judge Underhill's decision has reignited the age-old debate about whether cheerleaders are real athletes. Jeff Webb, CEO of the cheerleading organization Varsity Spirit, actually testified on behalf of the volleyball players. According to ESPN, Webb said that competitive cheerleading is as much a sport as chess. But many disagree with Webb, including University of Georgia competitive cheer coach Terry Jones, a former football player.
The United States All Star Federation for Cheer and Dance Teams (USASF) oversees elite teams like Lauren Chang's. But there's also the National Federation for High School Sports, and various state sport associations. And the International Cheer Union, one of the biggest purveyors of related cheer paraphernalia, uniforms, camps and competitions.