Which dietary supplement should be used with extreme caution if the patient is on a platelet inhibitor?
a. Aloe
b. Ephedra
c. Green tea
d. Garlic
ANS: D
Garlic reduces platelet aggregation and should be used with extreme caution in patients receiving platelet inhibitors (e.g., aspirin, ticlopidine, dipyridamole, clopidogrel).
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