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the claim

Kratom consumption lowers resting heart rate in human users.

the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 3 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Kratom consumption lowers resting heart rate in human users?

Unclear. The only relevant evidence comes from a preliminary study of long-term kratom chewers showing parasympathetic dominance on heart-rate-variability indices, and a review reporting that kratom users had higher odds of sinus tachycardia than controls. Neither directly measures resting heart rate in kratom users, so the claim is not settled.

Verdict: PARTIAL LEAN · 0 sources for, 3 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 3
2022
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Saengmolee, W., Cheaha, D., Sa-ih, N., & Kumarnsit, E. (2022). Exploring of cardiac autonomic activity with heart rate variability in long-term kratom (
                    <i>Mitragyna speciosa</i>
                    Korth.) users: a preliminary study. doi.org. https://doi.org/10.7717/peerj.14280

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More against · 2
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Frontiers | The Adverse Cardiovascular Effects and Cardiotoxicity of Kratom (Mitragyna speciosa Korth.): A Comprehensive Review. (n.d.). frontiersin.org. https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.726003/full

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The Adverse Cardiovascular Effects and Cardiotoxicity of Kratom (Mitragyna speciosa Korth.): A Comprehensive Review - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.3389/fphar.2021.726003

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