Primary carnitine deficiency cardiomyopathy International Journal of Cardiology The gut microbiome in coronary artery disease and heart failure: Current knowledge and future directions eBioMedicine Amazon.com: Vital Nutrients Carnitine 500mg L Carnitine Supplement for Heart Health Support Vegan Energy Support Supplement Gluten, Dairy, Soy Free Non GMO 60 Capsules : Health & Household Metabolic Origins of Heart Failure ScienceDirect Keep your dog's heart strong and healthy! As dogs age, heart disease can become a common challengebut with the right support, you can help improve their quality of life.