Our products all come stamped with a best before date (BB). A BB date tells you when the durable life period of a prepackaged food ends.  Durable life means the anticipated amount of time that an unopened product, when stored under appropriate conditions will retain its: FreshnessTasteNutritional value, orOther qualities It is important to note that a BB date is not the same as an expiration date. Note that if you haven’t consumed your kombucha by its best before date there is no risk in drinking it, but the flavour profile may have changed slightly as well as the live culture content.  Our Classic line has a 12-month shelf life at bottling, while our 1g line has an 8-month shelf life at bottling.