1 doctor weighed in:
What is the best source of natural caffeine?
1 doctor weighed in

Dr. Geoffrey Tyson
Pain Management
In brief: Natural caffeine
Coffee and tea are probably the two most common natural sources of caffeine.

In brief: Natural caffeine
Coffee and tea are probably the two most common natural sources of caffeine.
Dr. Geoffrey Tyson
Dr. Geoffrey Tyson
Thank
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