Home » Which of the following is not involved in the stimulation of release of pancreatic juice? Digestive System MCQs Which of the following is not involved in the stimulation of release of pancreatic juice? February 8, 2022 25 Views Q. Which of the following is not involved in the stimulation of release of pancreatic juice? A. gastrin B. Secretin C. Trypsinogen D. Cholecystokinin Answer: Trypsinogen