Vegan

E370 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

1‚4-Heptonolactone1‚4-Heptonolacton1‚4-헵톤락톤1‚4-Гептонолактон1‚4-Heptonolakton1‚4-HeptonolactonaDelta-lacton1‚4-Eptonolattone1‚4-Heptonolaktoni1‚4-Heptonolaktonia4-Heptonolactone

How to verify it

Check that the name refers to this exact ingredient and not a similar additive with a different source.