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Digestive Enzymes—Reference Documents and Further Reading

Cutler, E. 2006. Why enzymes are essential to a healthy immune system. Townsend Letter for Doctors and Patients. URL: (accessed electronically 10/30/2006).

Lee, S, et al. 2006. An update of the defensive barrier function of skin. Yonsei Med. J., 47 (3), 293–306. Review. URL:
(accessed electronically 11/01/2006).

Lipski, E., 2005. Digestive Wellness. NY: McGraw–Hill.

Mindell, E. 2004. Earl Mindell's New Vitamin Bible. NY: Warner Books.

Pagano, J. 1991. Healing Psoriasis: The Natural Alternative. Englewood Cliffs, NJ: Pagano Organization, Inc.

Westen, R., & Webb, J. 2000. The missing piece of the equation—enzymes in well-being and proper function of digestive organs. Vegetarian Times. URL: (accessed electronically 10/30/2006).

Principal Authors:
K. Kastelein, Editor-in-chief & M. Smith, Nurse Practitioner
Date of Publication: 12/20/2006
Updated: 02/07/2011