Ventricular Arrhythmia
Supplements studied for ventricular arrhythmia.
Overview
Fish Oil is the most studied supplement for ventricular arrhythmia, with eight trials and mixed results. Oral fish oil does not appear to prevent serious heart rhythm problems or reduce death in people with ventricular arrhythmias. One study found fewer rhythm events in people taking fish oil regularly for nearly a year, but other trials found no benefit and some suggested possible increased risky rhythms in certain heart failure patients. Fish Oil carries low effect-size and evidence ratings with medium trust.
Berberine has early, low-quality evidence that it may reduce premature ventricular contractions, including small trials suggesting similar efficacy to some antiarrhythmic drugs with fewer side effects. See the heatmap and evidence reviews below for more detail.
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