Penguin Mints was a brand of caffeinated mints made by Seattle-based ifive brands.
The company also produced caffeinated "energy gum", as well as non-caffeinated mints.
Five mints were approximately equal to one 12 ounce can of cola.
The energy gum products also contained 7mg of caffeine per piece.
In addition, the Kola Energy Gum contained Ginseng and the Citrus Energy Gum contained Taurine and Guarana.