This badly needs to be the top answer, not languishing down at the bottom of the page like it is right now. It never stops amazing me when weight manipulation

This badly needs to be the top answer, not languishing down at the bottom of the page like it is right now. It never stops amazing me when weight manipulation curious people just ignore the entire history of bodybuilding and weight class sports. A standard American diet, especially if you ever eat out, is very high in sodium, and a high sodium:potassium ratio is one of the chief reasons people retain excess water. Either reducing sodium or increasing potassium is a time-honored way to quickly lose water weight that people in sports have been practicing for decades.