![Scientists caution about potential harm to the gut from a common preservative Scientists caution about potential harm to the gut from a common preservative](https://d.newsweek.com/en/full/2344859/preservatives.jpg?w=1200&f=9e2ec9cea408fa7070a5bbf46ee081bf)
Scientists caution about potential harm to the gut from a common preservative
Scientists are warning that a common food preservative called Nisin, which is widely used in products such as beer, cheeses, and dipping sauces, may be harmful to gut health. Nisin is an