<<Disclaimer: Verify this information before applying it to your situation.>> I received several responses that said the following were gluten free: Country Time Minute Maid Kool-Aid I also got one response saying that they drink Tropicana with no problem. And I also got a recipe on making your own: 2 cups lemon juice 2 cups sugar 13 cups of water and this all makes 1 gallon of lemonade. One serving is: 2 Tablespoon lemon juice 2 Tablespoon sugar 3/4 cup water Thanks to everyone that responded! =)