"Extra, the only leading sugar-free gum with Nutrasweet gives you extra-refreshing flavor that lasts an extra extra extra long time. When you chew with Extra, the extra fresh flavor lasts an extra extra, extra long time. Extra lasts, extra long."
Extra is the name of first sugarfree gum launched by Wrigley's in the United States and was introduced in 1984. It became one of the most popular brands of gum within a few years. It is available in at least nine flavors, including: Peppermint, Spearmint, Classic Bubble, Cinnamon, Winterfresh, Polar Ice, Wildberry Frost, Cool Watermelon, and Cool Green Apple. Excess consumption may have a laxative effect.