Half of the subjects will receive Tasigna® alone on Day 1 and Tasigna® and calcium carbonate on Day 15, and the other half will receive Tasigna® and calcium carbonate on Day 1 and Tasigna® alone on Day 15, determined by randomization of subjects receiving either the combination or Tasigna® alone during the first visit. Doses will be 400 mg Tasigna® (2 x 200 mg tablets) and 4000 mg calcium carbonate (4 x Tums Ultra 1000® chewable tablets, equivalent to 4000 mg calcium carbonate or 1600 mg calcium).