Global Lactulose Market Size, Share, And Business Benefits By Form (Syrup/Liquid, Powder, Crystalline, Others), By Function (Sweetening Agent, Laxative, Hepatic Encephalopathy, Others), By Applications (Pharmaceutical, Food and Beverage, Animal Feed, Veterinary, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034