Is Mother of Pearl vegetarian?

Mother of Pearl, also known as nacre, is an organic-inorganic composite material composed chiefly of calcium carbonate, produced as the inner shell layer by certain molluscs, including oysters and mussels.

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.