Top L Carnitine Supplements GNC 2.1 1 The structural formula of L carnitine (Ill. by Ida S. R. Download Scientific Diagram L Carnitine Supplement Pure Encapsulations New line of Kirkland Signature Sparkling Energy Drinks These are all 10 calories, 0 sugar, 200 mg of caffeine and 7 vitamins. Available in a variety pack with 3 flavors, and Essential L Carnitine Optimal Health Systems Kirkland Dog Maintenance Cat Chicken And Rice Cat Food Health Extension Little Bites Lite Chicken Brown