L carnitine is an amino acid that is produced in your body that helps the body turn fat into energy. Carnitine is found in nearly all cells of the body and researchers have L carnitine and vitamin C improve the quality of sheep oocytes after in vitro maturation and subsequent pregnancy outcome ScienceDirect Plasma concentrations of free, esterified and total L carnitine at day Download Table Power Duo Prenatal Vitamins for Couples CoQ10 Boost Ovasave Lowered serum total L carnitine levels are associated with obesity at term pregnancy