Owing to reduced absorption of calcium, zinc, iron, magnesium, and vitamin B12, long - term antacid use is associated with increased risk
for several alarming outcomes: chronic kidney disease (6,7), iron deficiency (8),
hypomagnesemia (low blood magnesium)(9,10), bone fractures (11,12,13), B12 deficiency (14), pneumonia (15), and dementia (16,17).