L Carnitine Benefits Patients with Hypothyroidism Natural Health Research This JAMA Patient Page describes hypothyroidism and its risk factors, signs and symptoms, diagnosis, screening, and treatment. https: ja.ma 4oSKMLL Eltroxin Levothyroxine 25mcg 125mcg Thyroid 100 Tablets Surprising Interactions with Levothyroxine (Synthroid) and Herbal Supplements How Does Carnitine Support Hashimoto's? Dr. Izabella Wentz Hi all, just a question to ask if anyone who is on Levothyroxine for underactive thyroid takes L Carnitine shots?