Gastrointestinal Therapeutics Market Size, Share & Industry Analysis, By Product Type (Small Molecules/Conventional Drugs and Biologics & Biosimilars), By Therapy Type (Acid Suppression Therapies {Proton Pump Inhibitor (PPI) and Others}, Targeted Therapies {Antibodies, JAK Inhibitors, and Others}, Anti-Inflammatory & Immunomodulators, Antibiotics, Antiemetics, Motility Agents & Secretagogues, and Others), By Route of Administration (Oral, Parenteral, and Others), By Age Group (Pediatrics and Adults), By Application, By Distribution Channel, and Regional Forecast, 2026-2034