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 Amazon.com: Vela Birth Control Cleanse Supplement with Inositol, Vitex Berry, Vitamin B, and Zinc Healthy Fertility & Hormone Balance Support 60 Capsules 3rd Party Tested, Non GMO : Health & Household Influence of l carnitine on metabolism and performance of sows British Journal of Nutrition Cambridge Core RSP L Carnitine 3000 Liquid Carnitine coming soon to RSP Nutrition's line up 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