Do you want flies with that?

The FDA doesn't mind that there are, on average, “10 or more fly eggs per 100 grams [the equivalent of a small juice glass] or five or more fly eggs and one or more maggots”in your tomato juice. In fact, in small quantities, this foreign matter is acceptable and unavoidable. Check out this article to see what else you are eating. Just as a warning, this may spoil your appetite.