C
Caffeine
SupplementStimulant discussed as increasing dopamine modestly and influencing receptor density; includes yerba mate as a related caffeine source.
Mentioned in 2 videos

Essentials: The Biology of Taste Perception & Sugar Craving | Dr. Charles Zuker
Andrew Huberman
Caffeine referenced as part of coffee’s effect on neural systems and perceived reward.

Controlling Your Dopamine For Motivation, Focus & Satisfaction
Andrew Huberman
Stimulant discussed as increasing dopamine modestly and influencing receptor density; includes yerba mate as a related caffeine source.