While experts and officials continue to debate the risk of hosting Olympic events in the Seine, the polluted Parisian river that had been closed to swimming for a century, several athletes have sung the praises of an unexpected home remedy: Cola.

Specifically? Coca-Cola, the ever-present Olympic sponsor.

“The myth of Coca-Cola is true,” Australian distance swimmer Moesha Johnson told The Wall Street Journal. “We will often have a Coca-Cola afterwards just to try to flush out anything inside of us.”