Taste modifier products and therapeutic methods for encouraging decrease in high calorie food intake by a person are disclosed. A taste modifier product ingested toy a person may comprise one or more sweetness inhibitors and one or more anesthetics. The taste modifier product may decrease sensitivity to sweet and bitter tastes when the product is ingested by the person. One or more coolant ingredients may also be included in a taste modifier product. The ingredients of a taste modifier product may be incorporated into a lozenge, a beverage, a chewing gum, an oral spray, an oral powder, a hard or a soft candy, a dessert or a foodstuff. When consumed by a person, the products may both depress a persons appetite and relieve hunger symptoms. Consequently, a person consuming the products may select smaller portion sizes when eating food and limit high calorie foods.