Heart Disease What are Triglycerides? Share Pin Email Heart Disease Cholesterol and Triglycerides Basics Palpitations and Arrhythmias Heart Attack Chest Pain and Angina Heart Disease Drugs Syncope/Fainting Congenital Heart Disease Surgery Risk Factors Living With Heart Failure Pacemakers and Defibrillators Women and Heart Disease Heart Valve Disease Atrial Fibrillation Hypertension View All Updated April 06, 2016 Triglycerides are a form of fat in the blood. Learn the facts of what are healthy triglyceride levels and how to keep them in our latest video. Up Next Up Next Video What are the different cholesterol numbers I should know (TC, LDL, HDL, TG)? Up Next Video Understanding your High Cholesterol Diagnosis Up Next Video What to Know About Home Cholesterol Testing Kits Up Next Video Can Exercise Help Lower Cholesterol?