L Carnitine Are these Supplements Hurting your Thyroid? Graves' Disease: This Eerie Sounding Thyroid Disease Isn't as Deadly as it Sounds The Wellness Way How Does Carnitine Support Hashimoto's? Dr. Izabella Wentz L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP ScienceDirect The most common cause of hypothyroidism worldwide is insufficient intake of iodine, a mineral found in iodized salt and some foods (such as seafood and dairy) that is needed for production of