Leucine derives its vegan and vegetarian status from amino acid.
| Vegan? Maybe | Vegetarian? Maybe |
Classifications are made based on the available commercial supply of the ingredient, and are made based on the criteria on our classifications page.
Commercially available leucine may be vegan depending on the source and may be vegetarian depending on the source.
Leucine is an amino acid. It is produced commercially by the hydrolysis of proteins. Depending on the source of these proteins it may or may not be vegan.