Trusted by tenors, teachers, tour guides and other types who trill, talk and testify, Thayers Slippery Elm Lozenges speed relief to the throat and mouth. They're also free of preservatives, gluten, lactose and sodium, making them the all-vegetable remedy of choice for vegan vocalists. Dissolve one in your mouth before you sing, talk or use your voice; take another one afterward to soothe the membranes and heal any oral abrasions.