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Head-to-head evidence comparison — which supplement is right for you?
Panax Ginseng wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
4 of 7 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
9 of 10 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Kava and Panax Ginseng have evidence — compare verdict strength side-by-side.
150-300mg kavalactones daily
Evening for relaxation, 30-60 minutes before stressful events, Before bed for sleep
Water-extracted root powder or capsules
200-400mg standardized extract
Morning or early afternoon, With or without food
Standardized extract capsules
30-60 minutes
30-60 minutes
30-60 minutes
1-2 hours
2-4 weeks
4-8 weeks
If taken in evening
Herbal medicines in the treatment of psychiatric disorders: 10-year updated review
Phytotherapy research : PTR (2018) · Systematic review
Other encouraging herbal medicines with preliminary evidence include Curcuma longa (turmeric) in depression, Withania somnifera (ashwagandha) in affective disorders, and Ginkgo biloba (ginkgo) as an adjunctive treatment in Schizophrenia.
GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence
Phytotherapy research : PTR (2018) · Systematic review
An open-ended search to 5 July 2017 was conducted using MEDLINE (PubMed), Scopus, and Cochrane library online databases and performed in a stepped format from preclinical to clinical investigations.
Herbal medicine for insomnia: A systematic review and meta-analysis
Sleep medicine reviews (2015) · Meta analysis · n=1602
There was no statistically significant difference between any herbal medicine and placebo, or any herbal medicine and active control, for any of the thirteen measures of clinical efficacy.
Integrative Medicine for Relief of Nausea and Vomiting in the Treatment of Colorectal Cancer Using Oxaliplatin-Based Chemotherapy: A Systematic Review and Meta-Analysis
Phytotherapy research : PTR (2016) · Meta analysis · n=1843
The oxaliplatin plus TM groups showed significantly reduced CINV (risk ratio 0.65 [0.59, 0.71], I(2) = 28%) compared with oxaliplatin controls, with or without the addition of conventional anti-emetics.
Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Nutrients (2023) · Meta analysis
Based on the scoring system, 2 (8%) supplements matched with the cluster of higher expected efficacy, 3 (12%) with the lower efficacy cluster and 20 (80%) matched with the criterion of no expected efficacy.
Exploratory Systematic Review and Meta-Analysis of Panax Genus Plant Ingestion Evaluation in Exercise Endurance
Nutrients (2022) · Meta analysis
We found that ingestion of PGPs or ginsenosides significantly improved exercise endurance (SMD [95% CI]: 0.58 [0.22-0.95], I2 = 0%).
Based on multiple meta-analyses showing efficacy vs placebo with effect size comparable to benzodiazepines for mild-moderate anxiety. WS1490 extract showed OR=3.3 vs placebo. Effectiveness limited to 60% due to mixed results in some GAD populations and study quality limitations.
Based on meta-analysis showing SMD 0.58 [0.22-0.95] with low heterogeneity. Effect attributed to ginsenoside Rg1 and PGPs extract. Conservative effectiveness estimates given limited dose-response data.
AI-estimated from published studies. Interpret as directional guidance.
Panax Ginseng has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
For reduce anxiety & stress, Kava has a higher relevance score (90 vs 55).
No known interactions between Kava and Panax Ginseng have been documented in our database. However, always consult a healthcare provider before combining supplements.