Oral Anesthetic/Cough Suppressant/Menthol. Controls coughs, soothes and calms sore throats. Phenylketonurics: contains Phenylalanine (3.37 mg per drop). Does not promote tooth decay. Product may be useful in a diabetic's diet on the advice of a doctor. Exchange Information: 3 Drops = Free Exchange; 9 Drops = 1 Fruit. The dietary exchanges are based on Exchange Lists for Meal Planning. Copyright 1995 by the American Diabetes Association Inc. and the American Dietetic Association.