Nisin

Study type not stated

• Open question

  Gut bacteria health²

  Scientists are exploring whether nisin, a food preservative, can change the bacteria living in your gut.

How it’s made and used

• Food preservatives³

  Nisin has been used as a preservative in food, and researchers are still studying how it is made and used.

• germ-fighting power in meat⁴

  Nisin loses its germ-fighting power faster in raw meat than in cooked meat, and scientists now know why.

The signal at the top counts the findings in people and in animal and lab studies. A concern in studies of people outranks animal and lab studies, and “No concerns” needs at least two findings in people. Findings whose study type is not stated are shown but not counted. This page is a reference, not medical advice. It describes what regulators and published research say. Talk to a doctor or dietitian about your own diet.