Mucinex® Fast-Max® Kickstart is an all-in-one liquid solution engineered to knock out your toughest cold and flu symptoms. This Maximum Strength formula combines powerful active ingredients to tackle chest congestion, dry cough, sore throat, fever, and nasal congestion. The Kickstart feature provides an immediate, intense cooling sensation with a strong Menthol flavor, soothing your throat on contact. Unlike standard formulas, it works quickly to thin and loosen mucus while providing a burst of cooling relief that lets you know it's working.