Normalac is a medicinal product to be used to regulate bowel movements by increasing the water content in the stool. The active substance is: lactulose (Lactulosum). 15 ml of syrup contains 10 g of lactulose and small amounts of lactose monohydrate (1 g). The drug also contains trace amounts of other sugars - galactose 1.5 g, tagatose 0.4 g, fructose 0.1 g, epilactose 1.0 g.