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Panax Ginseng Dosage Guide

Evidence:Strong
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

200-400mg standardized extract daily (4-7% ginsenosides)

Maximum dose: 3g/day of red ginseng (higher doses may cause overstimulation)

Dosage Recommendations

General recommendation: 200-400mg standardized extract daily (4-7% ginsenosides)

Timing: Morning or early afternoon; avoid evening dosing • Take with food for best absorption.

Dosage by Condition

Cognitive function
200-400mg standardized extract dailyModerate
Fatigue/energy
1-2g Korean red ginseng dailyModerate
Immune support
200-400mg daily during cold seasonModerate
Erectile dysfunction
900mg Korean red ginseng 3x dailyModerate

Upper limit: 3g/day of red ginseng (higher doses may cause overstimulation)

Timing & Absorption

Morning or early afternoon; avoid evening dosing

Best taken with food for optimal absorption.

Full Panax Ginseng Guide

References

  1. Meta-analysisGeng J, Dong J, Ni H, et al. (2010). Ginseng for cognition. Cochrane Database of Systematic Reviews. DOI PubMed
  2. ReviewSeida JK, Durec T, Kuhle S (2011). North American (Panax quinquefolius) and Asian Ginseng (Panax ginseng) Preparations for Prevention of the Common Cold in Healthy Adults: A Systematic Review. Evidence-Based Complementary and Alternative Medicine. DOI PubMed
  3. Meta-analysisJang DJ, Lee MS, Shin BC, Lee YC, Ernst E (2008). Red ginseng for treating erectile dysfunction: a systematic review. British Journal of Clinical Pharmacology. DOI PubMed
  4. Yang K, Kim HH, Shim YR, Song MJ (2023). The Efficacy of Panax ginseng for the Treatment of Nonalcoholic Fatty Liver Disease: A Systematic Review and Meta-Analysis of Preclinical Studies.. Nutrients. DOI PubMed
  5. Meta-analysisHernández-García D, Granado-Serrano AB, Martín-Gari M, Naudí A, et al. (2019). Efficacy of Panax ginseng supplementation on blood lipid profile. A meta-analysis and systematic review of clinical randomized trials.. Journal of ethnopharmacology. DOI PubMed
  6. Singh S, Agrawal R, Sharma H (2025). Comprehensive PRISMA Based Systematic Review: Exploring the Phytochemistry, Pharmacological Profile and Clinical aspects of Panax ginseng.. Current topics in medicinal chemistry. DOI PubMed
  7. Morgans R, Scholten JS, Rhodes D, Ceylan HI, et al. (2024). The effect of Panax ginseng supplementation on markers of resistance exercise-induced muscle damage: a systematic review.. The Journal of sports medicine and physical fitness. DOI PubMed
Show 4 more references
  1. de Oliveira Zanuso B, de Oliveira Dos Santos AR, Miola VFB, Guissoni Campos LM, et al. (2022). Panax ginseng and aging related disorders: A systematic review.. Experimental gerontology. DOI PubMed
  2. Ma WQ, Wang HY, Zhang WJ, Wang S, et al. (2021). [Effects of ecological factors on shape and ginsenoside of Panax ginseng].. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica. DOI PubMed
  3. ReviewJin TY, Rong PQ, Liang HY, Zhang PP, et al. (2020). Clinical and Preclinical Systematic Review of Panax ginseng C. A. Mey and Its Compounds for Fatigue.. Frontiers in pharmacology. DOI PubMed
  4. Fan S, Zhang Z, Su H, Xu P, et al. (2020). Panax ginseng clinical trials: Current status and future perspectives.. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie. DOI PubMed