While reviewing the medication history of a client receiving alendronate, the nurse notes that the client also takes a multivitamin. Which instruction would be most appropriate?
a) Take the multivitamin with alendronate.
b) Take the multivitamin at the same time as alendronate.
c) Take the multivitamin one hour after alendronate.
d) Take the multivitamin two hours after alendronate.