Coffee

Coffee is a popular Terran beverage, having been drunk for centuries. So popular in fact, that the original colonists to the Koprulu Sector begged that coffee, or rather the means to grow it, be sent with them. Despite their status as former criminals, the United Powers League agreed to their request.

In addition, coffee, or rather the caffine, is useful for ridding a Terran's system of the effects of drugs such as hab.