General Dosage
200-400mg standardized extract daily (4-7% ginsenosides)
Maximum dose: 3g/day of red ginseng (higher doses may cause overstimulation)
Panax Ginseng Dosage Guide
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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
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Cognitive function | 200-400mg standardized extract daily | Moderate |
| Fatigue/energy | 1-2g Korean red ginseng daily | Moderate |
| Immune support | 200-400mg daily during cold season | Moderate |
| Erectile dysfunction | 900mg Korean red ginseng 3x daily | Moderate |
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.
References
- Geng J, Dong J, Ni H, et al. (2010). Ginseng for cognition. Cochrane Database of Systematic Reviews. DOI PubMed
- Seida 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
- Jang 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