Somewhat related, as a teen in the 90s I worked at McDonald’s in The Netherlands. Because of the diet in the US, the bread used for hamburgers contained extra calcium to be more ‘healthy’, because many people did not get enough calcium intake. In The Netherlands, where people drink much more dairy products, especially back in the 90s, people would get plenty of calcium so there was no need to put extra in the bread. But because a hamburger should be a hamburger no matter where you buy it worldwide, the Dutch McDonald’s hamburger bread still had the added calcium