What is it?
What is yohimbe bark extract?
1Yohimbe bark extract is a botanical preparation made from Pausinystalia yohimbe bark. Its supplement relevance comes mainly from yohimbine and related alkaloids, but the bark extract should be evaluated as a variable source product rather than as purified yohimbine HCl.
What yohimbe is marketed for
8Yohimbe-containing supplements are commonly marketed around sexual wellness, energy, body composition, fat-loss and athletic-performance claims. The available human evidence for bark/extract supplements is too limited and product-dependent to support reliable nootropic, weight-loss or performance expectations.
Evidence by use case
2Most controlled pharmacology and historical clinical discussion concerns purified yohimbine HCl, not commercial yohimbe bark extract. For the bark/extract page, the most useful evidence signal is that products can vary substantially in alkaloid content and that safety concerns are documented more clearly than practical benefits.
Names, aliases and forms
Potential effects and evidence map
Evidence for yohimbe bark extract is indirect and product-dependent. Purified yohimbine HCl has a separate pharmacology and historical clinical context, but bark/extract supplements have limited human evidence for practical benefit and stronger evidence for labeling variability and safety concern.
Bark/extract products are marketed for sexual wellness, but evidence for yohimbe dietary supplements is not strong enough to treat them as equivalent to purified yohimbine HCl.
Yohimbe is marketed in performance and pre-workout contexts, but evidence for athletic-performance benefit from dietary supplements is limited and inconsistent.
Adrenergic stimulation may feel energizing to some users, but this is not reliable evidence of a useful cognitive-performance benefit and overlaps with safety risk.
Typical dosages and timing
A 49-product analysis reported yohimbine per recommended serving from none detected to 12.1 mg. Use this as product-content context only: it is not a recommended yohimbe bark extract dose, and bark or extract milligrams cannot be converted into a dependable yohimbine exposure without testing.
Safety, side effects and risk profile
Yohimbine-containing products are linked with heart-rate, blood-pressure and other cardiovascular concerns.
Stimulant-like adrenergic effects can include anxiety, restlessness, agitation and sleep disruption.
Interaction risk is meaningful with antidepressants, cardiovascular medicines and stimulant combinations.
Headache, dizziness, flushing and sweating are reported with yohimbine-containing products.
Regulatory treatment varies by jurisdiction and is stricter in the EU food context than in the U.S. dietary-supplement framing.
Commercial yohimbe products can vary enough that label-based exposure estimates are unreliable without alkaloid disclosure or testing.
Yohimbine-containing products have been associated with rapid heart rate, blood pressure problems, arrhythmia concerns and other cardiovascular adverse events. People with cardiovascular conditions should treat this as a high-caution ingredient category.
Because yohimbine has stimulant-like adrenergic effects, yohimbe products can be a poor fit for people prone to anxiety, panic, PTSD symptoms, restlessness or insomnia.
Reported adverse effects include nausea or other stomach symptoms, headache, flushing, sweating, dizziness and agitation. These effects may be more unpredictable when the active alkaloid content is not declared.
Official summaries and poison-control data describe serious yohimbine-related concerns including seizures, heart attacks and need for medical care in some reports. This does not establish a predictable dose threshold for bark extracts.
Interactions and cautions
Avoid yohimbe with monoamine oxidase inhibitors or tricyclic antidepressants, and use extra caution around other psychiatric medicines because adrenergic stimulation can worsen anxiety-like or cardiovascular effects.
Yohimbe may be a poor fit with blood-pressure, heart-rate or cardiovascular medicines unless a qualified clinician is involved, because the ingredient category is specifically linked with blood pressure and heart-rate concerns.
Combining yohimbe with caffeine, synephrine, rauwolscine, ephedrine-like stimulants, stimulant medicines or decongestants can raise the practical cardiovascular and overstimulation risk.
Oral yohimbe may be unsafe during pregnancy or breastfeeding. People with seizure history or prior serious stimulant reactions should avoid self-experimentation with yohimbine-containing products.
Legal and regulatory status
Yohimbe products may appear in the U.S. dietary-supplement market, but an over-the-counter product containing yohimbine cannot be marketed as an erectile-dysfunction treatment without FDA approval. This page is informational and not a treatment recommendation.
EU regulatory history is stricter than the U.S. supplement framing: yohimbe bark and its preparations were placed under Union scrutiny in 2015 and later added to the prohibited Part A of Annex III for foods under Commission Regulation (EU) 2019/650.
Legal status varies by country and product category, and can change. Verify local rules before importing or selling yohimbe or yohimbine products, especially where botanical bark, isolated yohimbine and prescription drug rules are treated differently.
How it compares
Botanical bark or bark-extract product. Alkaloid amount, extract ratio, plant identity and label accuracy can vary, so bark milligrams cannot be converted into a dependable yohimbine dose.
Isolated yohimbine salt. It has a more precise pharmacology and dose context than bark extract, but still carries high adrenergic safety and interaction concerns.
Studies or safety notes about purified yohimbine should not be automatically applied to an unstandardized bark product. A label that only lists bark-extract milligrams leaves the active yohimbine exposure uncertain.
Practical buying and quality notes
- Prefer labels that state the actual yohimbine alkaloid amount, not only total bark or extract milligrams.2
- Look for extract ratio, standardization basis, plant identity and lot-specific third-party testing. Finished-product testing matters because yohimbine can be hard to infer from the ingredient name alone.7
- Avoid stimulant blends that stack yohimbe with caffeine, synephrine, rauwolscine or other aggressive pre-workout/fat-loss ingredients.8
- Do not assume a product is safer because it is called natural bark extract. For this ingredient, natural-source wording does not remove alkaloid, interaction or labeling risk.1
FAQ
Is yohimbe the same as yohimbine?
1No. Yohimbe is the botanical bark or bark extract. Yohimbine is an isolated alkaloid found in yohimbe and sometimes supplied as yohimbine HCl. Evidence and dosing context for purified yohimbine should not be treated as interchangeable with bark extract.
How much yohimbine is in yohimbe bark extract?
2It depends on the product. Analyses of commercial supplements found wide variation, and some labels do not clearly disclose yohimbine content. Bark milligrams or extract milligrams are not the same thing as milligrams of purified yohimbine.
Is yohimbe safe?
1Yohimbe is a high-caution supplement category. It has documented safety concerns around blood pressure, heart rate, anxiety-like effects, GI symptoms, headaches, interactions, pregnancy/lactation and rare serious events. Product variability makes safety harder to judge from a label alone.
Does yohimbe work for weight loss or athletic performance?
8Evidence for yohimbe- or yohimbine-containing dietary supplements in weight-loss and athletic-performance contexts is limited and inconsistent. The safety and stimulant-stacking concerns are more actionable than the claimed benefit.
Can yohimbe be used for erectile dysfunction?
1Do not treat bark extract as an erectile-function treatment. Historical evidence and drug context center on purified yohimbine HCl, while bark/extract supplements vary in alkaloid content and cannot be marketed as an over-the-counter treatment in the United States without FDA approval.
What should a yohimbe label show?
7A stronger label should identify the plant source, extract ratio or standardization, actual yohimbine alkaloid amount, serving size, warnings and ideally third-party testing. A label that only lists bark extract milligrams leaves the active exposure unclear.
Who should avoid yohimbe?
1People who are pregnant or breastfeeding, people using MAOIs or tricyclic antidepressants, and people with cardiovascular conditions, blood pressure issues, anxiety/panic vulnerability, PTSD symptoms, seizure history or stimulant sensitivity should avoid self-directed yohimbe use.
References
- National Center for Complementary and Integrative Health. Yohimbe: Usefulness and Safety. Last updated May 2025.
- Cohen PA, Wang YH, Maller G, DeSouza R, Khan IA. Pharmaceutical quantities of yohimbine found in dietary supplements in the USA. Drug Testing and Analysis. 2016;8(3-4):357-369.
- Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Annals of Pharmacotherapy. 2010;44(6):1022-1029.
- EFSA Panel on Food Additives and Nutrient Sources Added to Food. Scientific Opinion on the evaluation of the safety in use of Yohimbe (Pausinystalia yohimbe). EFSA Journal. 2013;11(7):3302.
- European Commission. Commission Regulation (EU) 2015/403 of 11 March 2015 amending Annex III to Regulation (EC) No 1925/2006 as regards Ephedra species and Yohimbe.
- European Commission. Commission Regulation (EU) 2019/650 of 24 April 2019 amending Annex III to Regulation (EC) No 1925/2006 as regards Yohimbe.
- National Institute of Standards and Technology. A Standard for Quantifying Yohimbe in Dietary Supplements. Released April 17, 2024; updated February 4, 2025.
- Operation Supplement Safety. Yohimbe and yohimbine in dietary supplement products. Updated March 25, 2025.