E472b may or may not be vegan. It refers to Lactic Acid Esters of Mono- and Diglycerides of Fatty Acids, a compound of Lactic Acid, Glycerides, and Fatty Acids, used in foods as an emulsifier and stabilizer. Glycerides can have plant, animal, or synthetic sources, and Fatty Acids can be derived from plants or animals. Please check with the manufacturer.