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Last Updated: 3 years ago

Possible Interaction: Norepinephrine and Theanine

supplement:

Theanine

Research Papers that Mention the Interaction

In rats pretreated with pargline, a monoamine oxidase inhibitor, theanine significantly increased the NE level compared with the control.
Theanine decreased the NE level, whereas no change was observed with glutamine or caffeine.
Thus, theanine may decrease the NE levels by releasing this neurotransmitter.
Chemical & pharmaceutical bulletin  •  1986  |  View Paper
It appears that theanine does not antagonize caffeine in cAMP metabolism, but does inhibit the stimulation of cAMP formation by norepinephrine.
Chemical & pharmaceutical bulletin  •  1980  |  View Paper