Evidence supporting the use of: L-taurine
For the health condition: Heart Fibrillation or Palpitations

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

L-taurine is an amino sulfonic acid found abundantly in the human body, particularly in the heart and skeletal muscles. Its use for heart arrhythmias, including atrial fibrillation and palpitations, is supported by a moderate level of scientific evidence. Several small clinical studies and animal experiments have suggested that taurine supplementation may help stabilize cardiac electrical activity. The proposed mechanisms include modulation of calcium flux in cardiac cells, stabilization of cell membranes, and anti-oxidative effects that protect heart tissue from damage. Taurine has also been shown to help regulate sympathetic nervous system activity, potentially reducing abnormal heart rhythms. A few small clinical trials have demonstrated that taurine, sometimes in combination with magnesium, can reduce the frequency and severity of premature ventricular contractions or other arrhythmias. However, the sample sizes in these studies are relatively small, and larger, well-designed randomized controlled trials are still lacking. There is also some traditional use of taurine-rich foods (such as seafood) in cultures with low incidence of heart disease, but most support for its use in arrhythmias comes from modern physiological and clinical research. Overall, while taurine appears safe and promising, it should not be used as a sole therapy for serious arrhythmias without medical supervision. More robust scientific studies are required to firmly establish its efficacy and optimal dosing.

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