← Home

Is Konjac vegan?

Konjac

Vegan

Konjac is a plant-derived polysaccharide (glucomannan) extracted from the tubers of Amorphophallus konjac. It is used as a thickener, gelling agent, and dietary fibre in food and cosmetic products.

Also known as Amorphophallus konjac extract, Devil's tongue, Elephant yam, Konjac flour, Konjac glucomannan, Konjac gum, Konnyaku
E number E425
Last reviewed 22 April 2026

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.