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A member asked:
Do phentermine pills have caffeine in them?
5 doctors weighed in across 2 answers
No: We're not sure how Phentermine works to help with weight loss, but it can raise your heart rate and blood pressure similar to caffeine.
Answered 9/28/2016
6.1k views
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No: No. It's a sympathomimetic, but the exact mechanism of action is unknown.
Answered 11/28/2017
6.1k views
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