It is a selective alpha-2 antagonist aphrodisiac found in ecstasy.
It is an alkaloid with aphrodisiac properties that can be found in seafood-based dishes like shrimp, squid, and octopus.
Yohimbine is an alpha2 receptor blocker drug of vegetable origin, an alkaloid. For a while, it was used in the treatment of hypotension by increasing noradrenaline secretion.
The active ingredient purported to be blended into the drinks of goldfinches in order to extend their vocalizations in singing contests is said to exist.
Alkaloid, an alpha2 antagonist, is known to make other birds sing besides goldfinches.