References:

https://www.healthline.com/health/food-nutrition/papain

https://tolmanselfcare.com/blogs/blog/papaya-enzymes-for-digestion-how-papain-supports-gut-health

https://www.wellandgood.com/food/papaya-benefits

Other Peer Reviewed Info:

1. Bhaskar, N., et al. (2008). "Papain: A Powerful Enzyme for Protein Digestion and Nutrient Absorption." Food Research International.
2. Barkai-Golan,      R. (2001). "Role of Digestive Enzymes in Reducing Gas and Bloating." Journal of Food Biochemistry.
3. Passariello,      A., et al. (2020). "Digestive Enzymes in the Treatment of Acid Reflux Disorders." Nutrients.
4. Umesh,      K., et al. (2010). "Anti-Inflammatory Properties of Papain." Journal      of Ethnopharmacology.