Is Castoreum (in 'natural flavors') vegan?
Not vegan
Castoreum is a secretion from beaver glands, occasionally used in 'natural vanilla flavor'. Not vegan.
What it is
An oily substance from the castor sacs of beavers near the anal glands.
Why not vegan
Animal-derived. Use is rare due to cost (~$70/lb) but legally allowed under 'natural flavors'.
Where you'll find it
- Some 'natural vanilla' or 'natural raspberry' flavors
- Perfumes (more common here)
- Historic ice cream and candy use
Vegan alternatives
- Real vanilla bean or extract
- Synthetic vanillin (vegan)
- Products labeled 'plant-derived natural flavors'
FAQ
- How likely is castoreum in my food?
- Very low — FEMA reports under 300 lb used annually in U.S. food. Still, vegans avoid undisclosed 'natural flavors' when possible.
Sources
Last reviewed June 4, 2026