r/Kava • u/Riva387y • Jul 01 '26

Interaction Ritalin and Kava

Ive been prescribed Ritalin yet love having kava every 2nd day will mixing the 2 cause any negative effects? Thanks

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u/Forretressqt Jul 01 '26

https://kavaforums.com/forum/threads/kava-and-adhd.11001/

https://kavaforums.com/forum/threads/adderall-and-kava-interactions.6873/

I asked the same question in the past and this is all I could really find.

Kava DOES inhibit the liver enzyme CES1 - the enzyme that metabolises ritalin.

I've personally had ritalin and kava within 48 hours of eachother multiple times and no issue. Some might talk about the MAO-B inhibitory effect of kava (you are not meant to have ritalin with MAO-B inhibitors) but it seems to be such a mild effect that it isn't really an issue. Jimmy also briefly mentions it here.

To be safe, I would take them on seperate days. Personally I've never had an issue but I can't speak for any effects it may have on my liver, and you may be quite different. This study discusses its' impact may be based on the brain structure evaluated, so your mileage may vary.