Isoleucine derives its vegan and vegetarian status from leucine.
| 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 isoleucine may be vegan depending on the source and may be vegetarian depending on the source.
Isoleucine is an isomer of leucine. Similar to leucine it is produced from the hydrolysis of proteins. These proteins are likely to be vegetable but may come from animal sources.