You don’t have to worry about disposing of the gum. It contributes to dental hygiene by preventing tooth decay and eliminating bad breath. It tastes great, and comes in two forms which are easy for travellers to carry. Mast Chew containing no synthetics, latex, sugars, colours, additives or artificial sweeteners. Mast Chew is Australia’s first locally manufactured plant-based, sugar-free chewing gum made from an ancient Mediterranean gum called pistacia resin. Chewing of gum may also reduce stress and curb hunger pangs by mimicking the act of chewing food, both of which can be experienced on the road.