Is L carnitine safe with thyroid medication? Shivendra Kumar Sharma posted on the topic LinkedIn Levothyroxine (Synthroid) Supplement Interactions Supplements To Avoid While Taking Thyroid Hormones ConsumerLab.com Genomic and Non Genomic Mechanisms of Action of Thyroid Hormones and Their Catabolite 3,5 Diiodo L Thyronine in Mammals Supplements to Avoid If You Have Hashimoto's or Hypothyroidism Paloma Health L carnitine supplementation for the management of fatigue in patients with hypothyroidism on levothyroxine treatment: a randomized, double blind, placebo controlled trial. Semantic Scholar Altered carnitine acylcarnitine profiles in levothyroxine treated congenital hypothyroid patients with fatigue: An LC MS MS based study from Bangladesh PLOS One