Mommy's Bliss Pregnancy Heartburn Comfort is a specially formulated remedy created to be safe, effective, fast acting and longer lasting so you don't have to take as many tablets as other leading brands for relief. Pregnancy Heartburn Comfort has been designed specifically to comfort the digestive system and assist in maintaining a proper body PH using calcium, magnesium, and potassium. Unlike other heartburn aids our natural berry flavored chewable tablets have no unpleasant chalky texture or artificial flavors.