Omega-3 fatty acids are “healthy fats” that may support your heart health. One key benefit is helping to lower your triglycerides. Specific types of omega-3s include DHA and EPA.Omega-3 fatty acids have many potential benefits for your cardiovascular health. One key benefit is that they help lower your triglyceride levels. Lower blood pressure.Reduce triglycerides.Slow the development of plaque in the arteries.Reduce the chance of abnormal heart rhythm.Reduce the likelihood of heart attack and stroke.Lessen the chance of sudden cardiac death in people with heart disease.