Is Lactose vegan?

Lactose

Not Vegan

Lactose is a disaccharide sugar composed of glucose and galactose, found exclusively in the milk of mammals. It is obtained as a by-product of cheese and dairy processing and is used as an excipient in pharmaceuticals, as a food ingredient, and in fermentation media.

Also known as 4-O-beta-D-Galactopyranosyl-D-glucose, Lactin, Milk Sugar
Last reviewed 16 April 2026

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