L Carnitine: Benefits, Uses, Side Effects, and More Govinda Lifecare What even is carnitine?? Carnitine is a "conditionally" essential amino acid that becomes essential during pregnancy. What does this mean? You must get carnitine through food! The best sources are red Frontiers The efficacy of orally administered L carnitine in alleviating ovarian dysfunctions has laid the foundation for targeted in vivo use: a study employing self control and propensity score matching L Carnitine Metabolic Health Supplement Metagenics