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