How Does Carnitine Support Hashimoto's? Dr. Izabella Wentz Palpitations: Evaluation in the Primary Care Setting AFP Acetyl L Carnitine Allergy: Symptoms and Treatment Options (2026) Wyndly Coffee and tea lovers, this one's for you Dr. Chad Conner, MD, cardiologist with the Heart & Vascular Institute, shares how caffeine affects your heart, and why not all caffeinated drinks If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.