Botanical Overview
Pausinystalia johimbe, commonly known as Yohimbe or Johimbe, is a member of the Rubiaceae family native to Central and West Africa. The bark is the part traditionally used for medicinal purposes.
Energetics
This plant has warming and drying energetic qualities, characterized by a bitter taste. It is considered tonifying but directionality and qi/blood/fluid associations are not well established.
Primary Actions
- Aphrodisiac
- Stimulant
- Vasodilator
Indications
Western
- Erectile dysfunction
- Sexual weakness
- Fatigue
Syndromes
- Sexual impotence
- Low libido
- Hypotension
TCM
Not established.
Ayurveda
Not established.
Unani
Not established.
Constituents & Mechanisms
The primary bioactive constituents include alkaloids such as yohimbine, corynantheine, and raubasine, which contribute to its stimulant and aphrodisiac effects mainly by alpha-2 adrenergic receptor antagonism leading to vasodilation and increased nerve impulses.
Dosage & Preparations
- Bark extract standardized to yohimbine 5-10 mg per day
- Powdered bark 1-3 g daily (traditional use)
Safety & Contraindications
Yohimbe should be used cautiously due to possible cardiovascular and neurological adverse effects, including increased heart rate, hypertension, anxiety, and potential liver toxicity. It is contraindicated during pregnancy and lactation and in individuals with hypertension, cardiovascular diseases, or anxiety disorders. Interactions with antihypertensive, antidepressant, and stimulant medications may occur.
Astrological Correspondences
No well-documented planetary or elemental rulers identified.
Selected References
- Yohimbe (Pausinystalia johimbe) – Herbal Medicine: Biomolecular and Clinical Aspects, 2nd edition
- Yohimbe Bark Extract – PDR for Herbal Medicines
- Yohimbe – Natural Medicines Comprehensive Database
- Pausinystalia johimbe – World Health Organization monographs on selected medicinal plants