Carallun is a citrus beverage, pale yellow in color, made from a fruit native to Romulus. It is not generally known to offworlders.

Captain John Harriman and Ambassador Gell Kamemor enjoyed carallun. (ST - The Lost Era novel: Serpents Among the Ruins)

In 2381, Xarian Dor served carallun during his meeting with Alizome. (ST - Typhon Pact novel: Rough Beasts of Empire)