Natures Sunshine Chewable Papaya Mint. Taken before or during meals, papaya mint can help facilitate digestion and help inhibit dyspepsia. Papaya contains papin, a proteolytic enzyme that breaks down proteins, small peptides, amides and esters. Papins digestive activity is quite similar to pepsin - a digestive enzyme produced in the body and is often referred to as vegetable pepsin. Papaya also contains other enzymes which metabolise starches and milk protein, as well as carbohydrates and fats. Papaya mint also contains peppermint leaf and oil, which promotes the production of digestive fluids. Papaya mints are naturally sweetened with sorbitol and fructose. Papaya mints can also be taken after a meal to freshen breath.