✓ No active regulatory warningsFDA MedWatch, EMA EudraVigilance, WHO VigiBase, WADA Prohibited List · 2026-05-29
📰Read the full Panax Ginseng evidence review on GMJ News →Complete clinical article, references and updates on news.gmj.ge. This page is the structured safety summary.⚠ Korean ginseng ≠ American ginseng ≠ Siberian 'ginseng' (not even ginseng) [1]
⚠ Patient on warfarin — ginseng may reduce INR [1]
⚠ MAOIs + ginseng — theoretical monoamine interaction [1]
⚠ Red (steamed) > white for most clinical applications [1]
ℹ️ Not obtained from food. Not applicable — this is not obtained from food in meaningful amounts; supplementation is the practical route.
🔬 Lab interpreter
ℹ️ No validated blood test. There is no established laboratory test to assess status or guide dosing for this ingredient. Clinical response and symptoms are the practical guide.
⚕ For professionals — confirm ranges against your local laboratory.
Clinical verdict
Panax ginseng is the world's most-used adaptogen with 2,000+ years of history. Korean Red Ginseng (steamed) has the most evidence — meta-analysis positive for mild ED. Commission E approved as tonic. Distinct from American ginseng (different species/profile). Avoid with MAOIs and warfarin. Cycle use is traditional but unproven [1] [2].
1 How much do I need?
👤 Adults: Specific dosage data under clinical review
👴 Elderly: Specific dosage data under clinical review
🤰 Pregnancy: See guidance
Traditionally avoided. Possible hormonal activity. Avoid [1].
👦 Pediatric: See guidance
Not recommended [1].
🏃 Athletes: Standard dose
⚖️ Obesity: Standard dose
Fat-soluble compounds may require dose adjustment in obesity.
🩺 Renal: Consult specialist
Dose adjustment may be needed in renal impairment.
🌱 Vegan: Standard dose
How to take
🍽 Timing: Morning (stimulating). Avoid evening [2].
💊 With food: With or without food [1].
🚫 Avoid: MAOIs. Warfarin. Evening dosing. Pregnancy [1].
2 Which form?
| Form | Bioavailability | Vegan | Cost |
|---|---|---|---|
| ['Standardized extract (4–7% ginsenosides)', 'preferred', 'G115 (Pharmaton) and Korean Red Ginseng are the most studied [2].'] | Standard | Check label | |
| ['Korean Red Ginseng (steamed)', 'preferred', 'Steaming transforms ginsenosides (creates Rg3, Rh1). Different pharmacological profile vs white [1].'] | Standard | Check label | |
| ['White ginseng (dried root)', 'common', 'Traditional preparation [1].'] | Standard | Check label |
3 Common questions
Korean vs American ginseng? ▼
Different species with different ginsenoside profiles. Korean (P. ginseng) is generally more stimulating ('warming'). American (P. quinquefolius) is traditionally considered more calming ('cooling'). Korean has more clinical research [1].
Red vs white ginseng? ▼
Red ginseng is steamed, creating unique ginsenosides (Rg3, Rh1) not present in white. Red is generally considered more potent and has more research, particularly for ED and immune function [1].
Does ginseng help ED? ▼
Meta-analysis of 7 RCTs with Korean Red Ginseng showed modest improvement. Not as potent as PDE5 inhibitors but may be a reasonable first option for mild ED [2].
Should I cycle ginseng? ▼
Traditional recommendation: 2–3 weeks on, 1 week off. Scientific basis is weak. Some practitioners recommend cycling; others use it continuously [2].
4 Clinical evidence
Strong
Ginsenoside pharmacology: >30 ginsenosides with diverse, well-characterized receptor activities (NO, HPA, immune) [1]. HIGH
Moderate
Erectile dysfunction: meta-analysis of 7 RCTs (n=363) showed modest improvement in IIEF scores with Korean Red Ginseng [2]. Cognitive function: some trials show improved working memory and attention [2]. Immune function: increased NK cell activity and reduced cold/flu incidence in some trials [2]. Type 2 diabetes: modest fasting glucose reduction [2]. MODERATE
Insufficient
5 Safety, toxicity & adverse events
Relative
⚠ Concurrent warfarin — may reduce INR (case reports)
⚠ Concurrent MAOIs — theoretical interaction (stimulant properties)
⚠ Hormone-sensitive cancers — some ginsenosides have weak estrogenic activity
⚠ Insomnia — stimulant properties; take morning, not evening
⚠ Autoimmune conditions — immunomodulatory effects
⚠ Concurrent diabetes medications — may enhance hypoglycemia
🚩 Red flags
● Patient on warfarin — check INR [1]
● Patient on MAOIs [1]
● Insomnia from evening dosing — take AM only [1]
6 Interactions
Drug interactions
Warfarin Moderate
Mechanism: Ginseng may reduce warfarin efficacy (mechanism debated). [1]
Effect: Reduced INR in some reports. [1]
Action: Monitor INR [1].
MAOIs Moderate
Mechanism: Ginsenosides may have monoaminergic activity. [1]
Effect: Theoretical hypertensive/serotonergic reaction. [1]
Action: Avoid combination [1].
Supplement synergies
Ginkgo Biloba · 120–240 mg EGb 761
Classic 'cognitive stack' in East Asian medicine. Different mechanisms [1].
Classic 'cognitive stack' in East Asian medicine. Different mechanisms [1].
Rhodiola · 200–400 mg rhodiola
Complementary adaptogens: ginseng (stimulating) + rhodiola (anti-fatigue) [1].
Complementary adaptogens: ginseng (stimulating) + rhodiola (anti-fatigue) [1].
7 Regulatory
South Korea: Major traditional medicine. KRG (Korea Ginseng Corporation) is a national institution [1].
Germany (Commission E): Approved as tonic for fatigue, weakness, and reduced concentration [1].
United States (FDA): Dietary supplement [1].
China: Official pharmacopoeia ingredient. Foundational TCM herb [1].
8 US supplement products
37
on-market products containing Panax Ginseng (NIH DSLD)
Brands carrying Panax Ginseng (17)
Click a brand to see its Panax Ginseng products.
9 Frequently paired with
10 Cite this page
Vancouver: Pkhakadze G. Panax Ginseng — safety profile [Internet]. Tbilisi: PHIG; 2026 [cited 2026 Aug 15]. Available from: https://supplement.ge/ingredients/panax-ginseng/
APA 7th: Pkhakadze, G. (2026). Panax Ginseng — Safety profile. Public Health Institute of Georgia. https://supplement.ge/ingredients/panax-ginseng/
📋 Editorial information
Author: Prof. G. Pkhakadze, MD, MPH, PhD
Institution: Public Health Institute of Georgia (PHIG)
Affiliation: David Tvildiani Medical University (DTMU)
First published: January 2026
Last reviewed: 2026-05-29
Next review: February 2027
References: 2 cited sources
COI: SupplementIndex receives no funding from supplement manufacturers. All content independently authored by PHIG.
Process: Systematic literature review
📄 License & reuse
Published under Creative Commons Attribution 4.0 International (CC BY 4.0). You may share and adapt for any purpose with attribution.
Pkhakadze G. "Panax Ginseng — Safety Profile." SupplementIndex, PHIG, 2026. https://supplement.ge/ingredients/panax-ginseng/ CC BY 4.0.
GP
Prof. G. Pkhakadze, MD, MPH, PhD
Professor of Public Health · Head of Department, DTMU
Editor-in-Chief, Georgian Medical Journal (ISSN 3088-4322)
Chair, Public Health Institute of Georgia · UEMS Public Health Section
Educational and public health purposes. CC BY 4.0. Consult your healthcare provider before starting any supplement. Corrections: info@accreditation.ge. Publisher: PHIG