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Head-to-head evidence comparison — which supplement is right for you?
Kava wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
2 of 2 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
4 of 7 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Aniracetam and Kava have evidence — compare verdict strength side-by-side.
750-1500mg daily in divided doses
With fat-containing food (improves absorption), Divided into 2-3 doses due to short half-life, With a choline source
Aniracetam powder or capsules
150-300mg kavalactones daily
Evening for relaxation, 30-60 minutes before stressful events, Before bed for sleep
Water-extracted root powder or capsules
1-2 weeks
30-60 minutes
1-2 hours
Per dose
30-60 minutes
30-60 minutes
30-60 minutes
1-2 hours
The treatment of cognitive dysfunction in dementia: a multiple treatments meta-analysis
Psychopharmacology (2018) · Meta analysis · n=44854
The pooled standardized mean difference of the treatment effects on cognitive dysfunction was 0.439 (95% confidence interval 0.374, 0.504).
Clinical efficacy of aniracetam, either as monotherapy or combined with cholinesterase inhibitors, in patients with cognitive impairment: a comparative open study
CNS neuroscience & therapeutics (2012) · Observational · n=276
In patients treated with aniracetam, all studied parameters were adequately maintained at 6 and 12 months, while emotional state was significantly improved at 3 months.
[Clinical study on a randomized, double-blind control of Shenwu gelatin capsule in treatment of mild cognitive impairment]
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica (2007) · Rct · n=166
Shenwu gelatin capsule has certain effects on mild cognitive impairment.
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.
Based on limited RCTs (n=166, n=64) and observational studies (n=276) in cognitive impairment populations. Meta-analysis effect size 0.439 suggests moderate benefit. Studies primarily in elderly/dementia patients, not healthy adults. Fat-soluble compound requiring food intake for absorption.
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.
AI-estimated from published studies. Interpret as directional guidance.
Kava has a higher evidence score (9/10 vs 7/10) and wins in 2 of 3 categories.
For reduce anxiety & stress, Kava has a higher relevance score (90 vs 65).
No known interactions between Aniracetam and Kava have been documented in our database. However, always consult a healthcare provider before combining supplements.