Is it safe to take L carnitine with levothyroxine (thyroid medication)? L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians Thyroid Fat Burner Thermogenic Weight Loss Supplement (30 Servings) Altered carnitine acylcarnitine profiles in levothyroxine treated congenital hypothyroid patients with fatigue: An LC MS MS based study from Bangladesh PLOS One L carnitine supplementation for the management of fatigue in patients with hypothyroidism on levothyroxine treatment: a randomized, double blind, placebo controlled trial. Semantic Scholar This one is for my gym crowd, and those regularly using protein powders and supplements for sports performance or weight loss Do any of your supplements contain Acetyl L Carnitine? If you