The original. Famous. Celebrating over 45 years of excellence. From concentrate. Nellie's favorite uses: tropical cocktails; soups - sauces; marinades; salads; natural cleansers (kills germs and odors). 1-800-546-3743 or email. For more information visit, www.keylimejuice.com. 100% lemon juice. The distinctive tart flavor of our Key West Lemon Juice has long been used for preparing lemon pies and sweet/tart desserts. 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.