A pair of Jewish comedians are going the extra smile for the father of a friend.
The Orthodox Union, which certifies as Kosher more than 400,000 products, includes a long discourse on toothpaste on its web site. Though most dentifrices contain glycerin, an animal product that is “unquestionably” non-kosher, it’s not completely clear whether they’re treyf; the OU quotes some complicated rabbinical rulings involving flavor and usage of the product. “If glycerin is present in tasty toothpaste, it would certainly seem to be problematic. The issues…are very serious, and consumers should not hesitate to consult their rabbonim for direction,” its Web site says.