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An alkaloid, C21H26N2O3, that is derived from the bark of a tree, Pausinystalia johimbe, and is an alpha-blocker drug used in the form of its hydrochloride as a mydriatic, a treatment for erectile dysfunction, and formerly as an aphrodisiac.

[New Latin yohimbe, former specific epithet (of Cameroonian Bantu origin; akin to Douala djombe, the tree from which yohimbine is derived) + -ine.]


(Elements & Compounds) an alkaloid found in the bark of the tree Corynanthe yohimbe. It is used in medicine as an adrenergic blocking agent. Formula: C21H26N2O3
[C19: from Bantu yohimbé a tropical African tree + -ine1]


(yoʊˈhɪm bin)

an extract of the bark of the yohimbe or rauwolfia tree, used medicinally to oppose the effects of epinephrine.
[1895–1900; yohimb (e) + -ine2; perhaps orig. formed in German]


n yohimbina
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Effects of glucagon-like peptide-1, yohimbine, and nitrergic modulation on sympathetic and parasympathetic activity in humans.
The FTCs case against the defendants began in November 2004, when it filed a complaint charging them with making deceptive claims about the efficacy and safety of Thermalean and Lipodrene, purported weight-loss products containing ephedra, and Spontane-ES, a supposed erectile dysfunction (ED) treatment containing yohimbine.
com/yohimbine-supplement-sexual-enhancement-adults-harmful-kids-study-2570211) Yohimbine, Supplement For Sexual Enhancement In Adults, Harmful For Kids: Study
A The active ingredient in the supplement known as yohimbe is yohimbine, an alkaloid from the bark of the Pausinystalia yohimbe tree, which is native to Africa.
Cardiovascular Response to Xylazine and Hellabrun mixture with Yohimbine as reversal in Asian Elephant.
tetraphylla root extract possess several alkaloids like reserpine, recinnamine, ajmalicine, serpentine, yohimbine deserpidine, raujemidine, reserpinine, Isoreserpinine, tetraphylline, tetraphyllicine etc (Iqbal et al.
25) reported that the antinociception induced by tricyclic antidepressants was inhibited by reserpine (a drug that decreases the noradrenaline release from adrenergic nerve endings) and yohimbine, an [alpha]-2 adrenergic receptor antagonist), in their study in rats using abdominal contraction and hot-plate tests.
2 mL (50 mg/mL) naltrexone HCl and 3 ml (5 mg/mL) yohimbine HCl as an antagonist.
Such medications include acetylcholinesterase inhibitors, the antipsychotic quetiapine, and adrenergic receptor agonists such as clozapine and yohimbine [51, 161, 162].
Based on the core network biomarkers in bladder carcinogenesis, a multiple drug combination comprising gefitinib, estradiol, yohimbine, and fulvestrant was designed for treating stage 1 bladder cancer with minimal side-effects, while a multiple drug combination comprising gefitinib, estradiol, chlorpromazine, and LY294002 was designed for treating stage 4 bladder cancer with minimal side-effects.
Yohimbine, an indole alkaloid derived from the bark of the African yohimbe tree also falls into this group.
There is a growing body of evidence to support the use of ginseng and yohimbine for the treatment of ED of various causes.