Go natural with Thayers Thayer Two Trees Lozenge (10x42 CT). Thayers Slippery Elm Lozenges have been providing relief to singers, speakers, salespeople and other vocalizers since 1847. Made from the inner bark of the Slippery Elm tree (ulmus fulva), these dependable demulcents soothe the tissues of the mouth and throat and restore the voice without the dulling effects of menthol. Try them - you'll soon be singing our praises. . (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)