Herb Profile

Yohimbe

Yohimbe is represented here as a bark derived monograph anchored to yohimbine, an alpha 2 adrenergic antagonist with sympathomimetic effects.

Last reviewed: 3 human studies cited

C Preliminary

Use extra caution High risk stimulant herb. Details

Evidence
Limited Human Evidence
Typical onset
Varies by prep
Safety rating
High caution
Best for
Sleep, Stress, Cognitive function
Avoid / review if
Hypertension, Arrhythmia, Heart Disease

Monograph visual

Yohimbe

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Where to go next — guides & comparisons

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Safety & Cautions

High risk stimulant herb. Reported adverse events include anxiety, agitation, hypertension, tachycardia, GI distress, and rare serious cardiovascular/neurologic events.

28%

High caution — review carefully

Detailed safety fields

Pregnancy, breastfeeding, and contraindications

  • - Hypertension
  • - Arrhythmia
  • - Heart Disease
  • - Anxiety/Panic Disorder
  • - Bipolar Disorder/Mania
  • - Kidney Or Liver Disease
  • - Pregnancy/Breastfeeding.
  • - Avoid With Stimulants
  • - Decongestants
  • - MAOIs

Safety classifications

  • - Liver-Sensitive: Liver-related caution language appears in the profile.
  • - Stimulant-Like Profile: Stimulant-like or activating caution language is present.
  • - Pregnancy/Breastfeeding Caution: Pregnancy or breastfeeding caution language is present.

Full safety note

  • - High risk stimulant herb. Reported adverse events include anxiety, agitation, hypertension, tachycardia, GI distress, and rare serious cardiovascular/neurologic events.

Safety labels

  • - Liver-Sensitive
  • - Stimulant-Like Profile
  • - Pregnancy/Breastfeeding Caution

Evidence-based safety

Caution when combined

These pairings share a flagged risk mechanism. They are additive-effect cautions derived from contraindication data, not confirmed clinical interactions. Consult a clinician before combining.

High-Priority Caution

26 flagged pairings

Serotonergic activity

Moderate Caution

81 flagged pairings

Blood-pressure effects

Evidence Summary

Evidence lens

Early signal that needs stronger human replication before practical claims.

PreliminaryLimited Human Evidence

Human clinical evidence: Present in source signals

Mechanistic / preclinical: Mechanism mappedNeurotransmitter Modulation · Stress Response Modulation

Research maturity: Preliminary or mixedLong Term Human Evidence May Be Limited.

Safety boundary: Safety note availableHigh risk stimulant herb.

This profile cites 3 human studies.

How evidence grades work

Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.

A

Strong

Multiple RCTs, consistent direction, adequate effect size

B

Moderate

Some RCTs or consistent observational data in humans

C

Preliminary / Mixed

Animal or in-vitro only, or conflicting human data

D

Traditional / Theoretical

Traditional use only; no controlled human trials

Clinical Study Summaries (3)Cited studies informing this profile. RCTs and reviews shown first.
StudyTypeSampleSource

Herb-drug interactions

Fugh-Berman A et al. (2000)

PubMed

Yohimbine

PubMed indexed authors (2012)

PubMed

Sexual Performance Anxiety

Pyke RE et al. (2020)

PubMed

Dosing & Timing

Dose guidance

Preparation specific; use standardized product label for Do not equate crude bark products with pharmaceutical yohimbine and require source backed dosage review before therapeutic claims.

How Yohimbe Works

Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.

Mechanism Pathway — How Yohimbe Works

How Yohimbe WorksYohimbe acts on pathways via hpa axis (modulation), leading to sleep quality.YohimbeBiological pathwayHPA AxisModulationSleep Quality ↑Onset + depthVascular FunctionSupport
CompoundTarget / ReceptorMechanismEffect / Outcome
Mechanisms & Biological Pathways
Preclinical pathways

Proposed mechanisms from in vitro and animal research; these do not confirm clinical outcomes in humans.

Neurotransmitter ModulationStress Response Modulation

Compare & Sourcing

Compare side-by-side tradeoffs or verify active marker guidelines.

Review available sources for Yohimbe

Independent database mapping — evaluated separately from safety and efficacy scores.

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Safety first · Harm reduction

This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.

Learn how we evaluate confidence, safety, and intensity on the methodology page.

Editorial Review

Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.

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Botanical profile context

How to interpret Yohimbe

Yohimbe dosage ranges, effects, drug interactions, and harm-reduction safety guide for sleep. Limited Human Evidence research evidence. Use this herb profile as a starting point for evidence review, not as a recommendation to start a new supplement. Botanical products can vary by plant part, extract ratio, standardization, dose, and contaminant testing, so two labels with the same common name may not behave the same way.

When reviewing Yohimbe, compare the traditional-use context against the human evidence, mechanism notes, and safety cautions. Pay special attention to pregnancy, breastfeeding, liver or kidney disease, blood-pressure effects, sedation, stimulation, anticoagulant use, antidepressants, and any prescription medication overlap.

For product decisions, prefer transparent labels, named extracts, clear serving sizes, and third-party quality testing. Avoid treating a long list of possible mechanisms as proof that an herb will solve a specific condition.