Relen tea was a Vulcan tea. Spock considered relen tea to be a personal favorite. When Praetor Gell Kamemor served Spock a type of tea from Glintara I, Spock found it was not unlike relen tea. (ST - Typhon Pact novel: Rough Beasts of Empire) In 2383, Kamemor offered Tomalak relen tea. Tomalak declined, as he disapproved of a Praetor indulging in an offworld beverage of Federation origin. (ST - Typhon Pact novel: Plagues of Night)