They compared cow's milk - based formula to protein hydrolysate formulas, which contain predigested proteins and are typically fed to infants who can not tolerate the intact proteins in other formulas. (npr.org)
This can cause predigested food to move into the intestine, triggering stomach cramps. (inc.com)
NOW ® Whey Protein is a delicious blend of three of the highest quality whey protein concentrates and isolates from around the world: Ultrafiltered, Microfiltered and Enzymatically Hydrolyzed (partially predigested). (nowfoods.com)