Duphalac Syrup is a 300ml oral solution containing lactulose (667 g/l). It is a medicinal syrup commonly used as a laxative treatment to help with constipation and maintain regular bowel movements. The product comes in a white plastic bottle with clear labeling showing the brand name Duphalac and concentration of 667 g/l lactulose. As this is a medicinal product, it should only be taken as prescribed by a healthcare professional. The bottle contains 300ml of the oral solution.