Is Phenylalanine vegetarian?

Phenylalanine is an aromatic amino acid and one of the nine essential amino acids required in the human diet. It can be produced synthetically or via fermentation, but is also found in animal-derived foods such as milk, dairy, and eggs, making raw material sourcing variable.

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.