How long with my Ginger Beer last? Once bottled, the Ginger Beer (alcoholic & non alcoholic) will last anywhere from 3 - 6 months stored in the fridge.We wouldn't suggest lying the beer down as they will keep longer if standing up. There is no need to burp the bottles. Related articles What yeast is used in the Ginger Beer Kit? Why does my ginger beer taste awful? What type of sugar do I need to make ginger beer and how much? Why does my ginger beer taste weak? What does the ginger beer taste like?