Should You're taking Supplements for a Heart Arrhythmia? While sure nutrients can help coronary heart well being, there’s no proof that supplements can treat a heart arrhythmia. You might want to take them alongside remedy, however check with a physician first. An arrhythmia is an irregular coronary heart fee. It could also be a quick, occasional episode or an ongoing condition that affects your heart most or all of the time. You may be tempted to try vitamins and different dietary supplements to ...