There are some chemicals that enhance the taste of food, but some chemicals are lethal. How does the OU handle both? Join Rabbi Eliyahu W. Ferrell, a Rabbinic Coordinator with OU Kashruth, as he examines the halachos and science behind the kashrus certification of inedibles and animal-derivatives. Glycerin seasoned with glass-cleanser may not be so delicious, but you’ll enjoy this Tidbit anyway!