Amount of gastricjuice does the thick lining of our stomach secrete per day?

The thick lining of the stomach secretes about 1.5 to 2 liters of gastric juice per day. This gastric juice contains hydrochloric acid, digestive enzymes, and mucus, which aid in the digestion of food and protect the stomach lining. The secretion is regulated by various factors, including food intake and hormonal signals.