Can you take Kava and Valerian Root together?
Kava and valerian both directly enhance GABA activity. The combination can cause pronounced sedation, impaired coordination, and heavy morning grogginess.
Severity
Warning
Evidence
moderate
Timing
Avoid combining.
How it works
Kava modulates GABA-A receptors directly; valerian increases GABA release and inhibits its reuptake. Both pathways amplify GABAergic tone.
Profound sedation, impaired motor coordination, and next-day drowsiness are the main risks. Kava's hepatotoxicity concern adds a further reason to avoid polypharmacy. There are no published studies on this specific combination.
What to do
Avoid combining. Choose one for sleep support. If you need stronger sedation than either provides alone, discuss options with a healthcare provider.
Frequently asked
Should I separate Kava and Valerian Root?
Consider separating them. Avoid combining. Choose one. Consult a healthcare professional for personalised advice.
Why do Kava and Valerian Root interact?
Kava modulates GABA-A receptors directly; valerian increases GABA release and inhibits its reuptake. Both pathways amplify GABAergic tone.
How strong is the evidence for this interaction?
The evidence is moderate. Some studies support this interaction, but more research may be needed.
About these supplements
Other Kava interactions
Other Valerian Root interactions
Check your full stack
for interactions.
See what competes, what combines well, and when to take everything. Every interaction cites a published source.
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1 flagZinc and Iron compete for the same absorption pathway. Take at least 2 hours apart.
Supplements
This information is for educational purposes only. It is not medical advice and does not diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional.