CheckVegan

Is Lactulose vegetarian?

Lactulose

Vegetarian Vegetarian
Vegan Vegan

Lactulose is a synthetic, non-absorbable sugar produced from lactose, consisting of galactose and fructose, used medically for constipation and hepatic encephalopathy.

Also known as D-Fructose, 4-0-.beta.-D-galactopyranosyl-, D-Fructose, 4-0-beta-D-galactopyranosyl-
INCI name Lactulose
CAS number 4618-18-2
EC number 225-027-7
CosIng ID 34837
Last reviewed 4 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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.

Report an issue