Pepsi was called Pepsi because it contains pepsin and cola nut extract. Pepsin is one of the main digestive enzymes produced by the stomach. There are a few different types of enzymes found naturally in saliva and in the stomach. Pepsin, the additive added to Pepsi, is used by the stomach to break down protein. But, according to Reader’s Digest, Pepsi no longer contains pepsin. It’s also not included as one of the ingredients on the Pepsi product label. According to medical professionals, digestive enzymes in the stomach can be lacking. Many foods, such as fruits and fermented foods like kimchi and saur-kraut, contain digestive enzymes, which promote stomach heal

Source: Soda Pop Craft