This is a randomized, open-label, single dose study to evaluate the safety and pharmacokinetics of DWP14012 tablet A and DWP14012 tablet B in healthy volunteers

Inclusion Criteria:

• Healthy adult aged between 19 and 45 at screening
• Those whose weight is 55 kg and more and BMI is between 17.5 and 30.5 kg/m2
• Subjects who are adequate to be subjects in this study upon judgment of the investigator after physical examination, clinical laboratory test, examination by interview, etc

Exclusion Criteria:

• Subjects who have clinical significant liver, kidney, nervous system, respiratory, endocrine, hematology and oncology, cardiovascular, urinary, and mental diseases or past history
• Subjects who have gastrointestinal diseases or past history of gastrointestinal diseases (gastrointestinal ulcer, gastritis, gastrospasm, gastroesophageal reflux, Crohn's disease etc.) that may affect safety and pharmacokinetic/pharmacodynamic evaluation of study drug, and those who have past history of gastrointestinal surgery (however, except simple appendectomy and herniotomy)
• Subjects who showed positive result for Helicobacter pylori test
• Subjects with serum AST (SGOT) or ALT (SGPT) level >1.5 times the upper limit of the normal range at the time of the screening examination
• Subjects with a history of drug abuse or a positive urine screening for drug abuse
• Subjects who have participated and taken investigational drug in any other clinical trial (including bioequivalence study) within six months prior to study drug administration
• Subjects who have donated a unit of whole blood within two months or blood components within one month prior to study drug administration