Bring 6 cups of water, thyme, cinnamon, lemon juice and zest to a boil in a large sauce pan over medium high heat.
Remove from heat after it starts boiling and add tea bags, Lite and Sweet and Lemon Extract.
Set aside for 15 minutes to steep.
Remove tea bags and allow to cool to room temperature, about an hour.
Strain mixture in a fine mesh strainer and add to a pitcher.
Refrigerate until ready to serve.
Garnish with lemon slices.