Last reviewed May 2026 · 1 min read
Is Diacetyl vegan?
Also known as: Butanedione
Vegan
Suitable for a vegan diet.
Yes — Produced naturally during fermentation or synthesized in a lab.
01 · The basics
What is Diacetyl?
An organic compound with an intense buttery flavor, used heavily in microwave popcorn.
02 · The source
Where it comes from
Produced naturally during fermentation or synthesized in a lab. It is vegan, though inhaling it during manufacturing is linked to lung disease.
03 · Alternatives
Best vegan alternatives
Butter (Non-vegan)
Check Price on AmazonAffiliate links — VegOmm may earn a commission from qualifying purchases.
Frequently asked
FAQ
Is artificial butter flavor vegan?
Usually yes. Diacetyl is a synthetic compound, but you must check the other ingredients for dairy derivatives.
Commonly found in
More in this category
Other flavoring ingredients
Keep exploring
Related ingredients
Allura Red AC
A popular synthetic red food dye used to give foods and drinks a prominent red or pink color.
Tartrazine
A bright lemon-yellow synthetic food dye commonly used in processed foods, drinks, and medications.
Brilliant Blue FCF
A synthetic blue dye used in foods, cosmetics, and dietary supplements to achieve a vibrant blue hue.
What's next