Fiber supplements are widely known for digestive benefits, but they also play a powerful role in heart health. Soluble fiber can help reduce LDL cholesterol levels, which lowers overall cardiovascular risk. Over time, improved cholesterol balance may contribute to better vascular function and more stable heart activity visible in ECG monitoring. This article explores how fiber works, the best types of fiber supplements, and how they support long-term heart wellness. Learn how combining fiber intake with regular ECG checkups can help you track measurable heart improvements.