Potters Herbals Malt Extract Natural Sweetener Liquid 650gThe sugar in Potters Malt Extract is in the form of maltose, which converts to glucose during digestion. Glucose is stored as glycogen, which can be readily converted back to glucose for sustaining blood glucose levels and energy release. Prepared by low temperature concentration to preserve the natural ingredients in an easily digestible form. Ingredients Malt Extract (from Barley) Allergy Information Contains Barley. Allergen Advice for all