A 31-year-old woman comes to the physician for a routine health maintenance examination. She has no past medical history. She lifts weights and runs daily. She asks the physician if she could benefit from a muscle relaxant. He discusses with her the possibility of initiating a supplement that can also be used as an antacid. Which of the following should most likely be discussed with this patient as an adverse effect of this supplementation?
A) Black, tarry stools
B) Constipation
C) Diarrhea
D) Frequent urination
E) Kidney stones
