The original. No preservatives. Famous. 100% key lime juice from concentrate. 1-800-546-3743 or email. For more information visit, www.keylimejuice.com. Since 1968. The distinctive flavor of our Famous Key Lime Juice has long been the favorite choice to make the best key lime pie. Now try our juice as an easy and delicious marinade for seafood, meat & poultry; as the ideal bar mix for tropical cocktails, and in any recipe that calls for fresh squeezed lemon or lime.