In Each Drop Other Information: Store at 68 degrees - 77 degrees F (20 degrees - 25 degrees C) in a dry place. Contains FD&C yellow no. 5 (tartrazine) as a color additive. Pectin lozenge/oral demuclent. New! Deliciously soothing! www.ludens.com. Facebook. Visit our website: www.ludens.com or like us on Facebook. Try out other great Luden's flavors! Wild cherry. Green apple. Watermelon.