10 calories per drop. 2 g total sugars per drop. Menthol lozenge/oral anesthetic. Deliciously soothing! Ludens.com. Like Us on: Facebook; Instagram; Twitter. Visit Our Website: www.ludens.com. Try our other great Luden's flavors! Wild cherry. Watermelon. Honey lemon. Other information: Store at 68 degrees - 77 degrees F (20 degrees - 25 degrees C) in a dry place.