Distillation is the process of separating the component or substances from a liquid mixture by selective evaporation and condensation. Distillation may result in essentially complete separation (nearly pure components), or it may be a partial separation that increases the concentration of selected components of the mixture.
It decreases the amount of acid produced in the stomach. Prevacid is used to treat and prevent stomach and intestinal ulcers, erosive esophagitis (damage to the esophagus from stomach acid), and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome. Over-the-counter Prevacid OTC is used to treat frequent heartburn that happens 2 or more days per week.
1 Vitamin B12 deficiency. 2  PREVACID reduces the amount of acid in your stomach. 3  Stomach acid is needed to absorb vitamin B12 properly. 4  Talk with your doctor about the possibility of vitamin B12 deficiency if you have been on PREVACID for a long time (more than 3 years). Talk with your doctor about the possibility of vitamin B12 deficiency if you have been on PREVACID for a long time (more than 3 years). 2  Low magnesium levels in your body. 3  This problem can be serious. 4  Low magnesium can happen in some people who take a proton pump inhibitor medicine for at least 3 months.