B lactis HN019™ has been consumed in dairy foods for decades and is well-studied for its probiotic properties in more than 100 scientific publications. It has been demonstrated to tolerate acidic conditions and shown to survive passage through the human intestine.1-3 Mechanistic data suggests HN019™ may influence colonic motility, and multiple clinical trials with HN019™ alone or in combination with prebiotics or other probiotic strains have resulted in increased gut transit in persons with less frequent bowel movements.4-6 HN019™ has also been shown to modulate immune function, particularly enhancing cellular immune activity in aging persons.7