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Head-to-head evidence comparison — which supplement is right for you?
Piracetam 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
4 of 5 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Kava and Piracetam 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
1200-4800mg daily in divided doses
Divided into 2-3 doses, Morning and early afternoon, With a choline source
Piracetam powder or capsules
30-60 minutes
30-60 minutes
30-60 minutes
1-2 hours
2-4 weeks
1-2 weeks
Ongoing
First few days
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.
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).
Piracetam for reducing the incidence of painful sickle cell disease crises
The Cochrane database of systematic reviews (2016) · Meta analysis · n=169
Although there was no significant difference between the piracetam and placebo periods for the number of days of hospitalisation (P = 0.87) in one trial, inconsistencies in the criteria necessary for hospitalisation during sickle crises did not permit accurate conclusions to be drawn.
Treatment Efficacy of Pharmacotherapies for Frontotemporal Dementia: A Network Meta-Analysis of Randomized Controlled Trials
The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry (2023) · Meta analysis · n=243
Compared with placebo, high-dose oxytocin (72 international units) was associated with the greatest improvement in patients' neuropsychiatric symptoms (SMD = -1.17, 95% CIs = -2.25 to -0.08, z = -2.10, p = 0.035).
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 of 1002 stroke patients, but showed non-significant increase in death at one month. Evidence is limited and mixed. Conservative effectiveness estimates due to safety concerns.
AI-estimated from published studies. Interpret as directional guidance.
Piracetam has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
No known interactions between Kava and Piracetam have been documented in our database. However, always consult a healthcare provider before combining supplements.