Essential L Carnitine Optimal Health Systems Dietary supplements play a key role in supporting cardiac function in pets with heart disease. Supplements like taurine, omega 3 fatty acids, and L carnitine can help improve heart muscle function, reduce inflammation, and 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. 2 pack) Spring Valley L Carnitine Amino Acid Dietary Supplement Tablets for Heart Health, 500 mg, 30 Count Walmart.com