Dr Josh Axe Erectile Dysfunction: Natural Approaches That Fit Real Life Mitochondrial dysfunction occurs when there's been damage to the mitochondria. If you remember back to biology, the mitochondria are the powerhouse of your cells. We have mitochondria in many cells in our Isotonic energy drink with L carnitine. Bottles with yellow and green transparent liquid. L carnitine helps the body convert excess fat into useful energy, regulates carbohydrate and fat metabolism. Stock Image Everypixel Thorne Acetyl L Carnitine Brain Function, Nerve Health & Mitochondrial Energy Support Carlyle Acetyl L Carnitine HCL Capsules 1000mg, 100 Count, Gluten Free, Non GMO Walmart.com L Carnitine 2000mg 700ml QNT (12 pack) L Carnitine, Energy drink GladiatorFit CH