*Problems with the digestion of proteins with use of these drugs have not been documented by scientific studies.  However, it is well known that stomach acid is required for proper protein digestion.  Therefore, drugs that either neutralize stomach acid or suppress the production of stomach acid are likely to have a negative effect on protein digestion.   The passing of undigested protein from the stomach into the small intestine may also cause health problems in its own right.  Drug Nutrient Depletions, Copyright 2001, Intramedicine, Inc.  The data in this table are derived from the sources used by Ross Pelton, R.Ph., Ph.D. and James B. LaValle, R.Ph. in The Nutritional Cost of Prescription Drugs: How to Maintain Good Nutrition While Using prescription Drugs.

The Nutritional Cost of Prescription Drugs: How to Maintain Good Nutrition While Using Prescription Drugs (Englewood, CO:  Morton Publishing Co., 2000)