Hot dogs may be at your Labor Day picnic or barbecue party. It’s time to dispel this rumor. This is an urban legend that has been around for several decades. Sodium erythrobate, is a food additive found in hot dogs and cured meats. It is made from sugar and it preserves the color of food. It is not earthworms or made from earthworms. The Food and Drug Administration (FDA) has strict rules about the safe amount of additives added to food. For more information about ingredients and other additives in food, see Food Ingredients and Colors on the FDA website.