Lets talk about L Carnitine #hyperthyroidism #hyperthyroidie #hypothyroidism #hypothyroidismcheck #thyroidproblems #thyroidhealthawareness #thyroidhealing #hypothyroidismwarrior #thyroidhealth Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome American ME and CFS Society L Carnitine 500 mg Carnitine Protocol for Life Balance Levothyroxine (Synthroid) Supplement Interactions Supplements To Avoid While Taking Thyroid Hormones ConsumerLab.com 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.