Nettex Air Power Respiratory Boost contains menthol and eucalyptus which are known for their natural soothing properties. This dual purpose formula helps to clear the airways and soothe respiratory irritation. It also assists in oxygen intake to help improve stamina durinng strenuous exercise.Includes:Propylene Glycol, Honey, Apple cider vinegar, Glycerine, Eucalyptus, Menthol, Peppermint, Liquorice, Aniseed, Ginger, Echinacea, Xanthan gum.