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the claim
Magnesium supplementation lowers resting heart rate in healthy adults.
the verdict
INSUFFICIENT LEANING
Recorded sources
2 sources for · 0 against
Is it true that magnesium supplementation lowers resting heart rate in healthy adults?
Unclear. One randomized trial in healthy adults reported that a specific magnesium compound (magnesium L-threonate) reduced heart rate measured by a sleep-tracking wearable, and a Cleveland Clinic cardiologist states magnesium helps regulate heart rate. Neither settles whether magnesium supplementation generally lowers resting heart rate in healthy adults.
Verdict: PARTIAL LEAN · 2 sources for, 0 against · Last checked
Evidence for · 2
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Does Magnesium Help With Heart Palpitations?. (n.d.). health.clevelandclinic.org. https://health.clevelandclinic.org/magnesium-for-heart-palpitations
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More for · 1
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Lopresti, A. & Smith, S. J. (2026). The effects of magnesium L-threonate (Magtein®) on cognitive performance and sleep quality in adults: a randomised, double-blind, placebo-controlled trial. doi.org. https://doi.org/10.3389/fnut.2025.1729164
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