l-carnitine dosage and timing L-Carnitine: Benefits, Side Effects, FAQ, Sources, When to take L-carnitine: Dosage,

However, bleeding with lysis of erythrocytes would have caused elevation of aspartate, glutamate, taurine, ornithine, glycine, citrulline, pyridoxal 5-phosphate, 5-methyltetrahydrofolate, and thiamine and reductions for arginine, 5-hydroxyindoleacetic and homovanillic acids which was not observed

Brown AS, Patterson PH

However, our body requires around 15mg/day from both food sources and internal creation (National Institutes of Health, 2023)

Three types of PC deficiency have been distinguished: type A (infantile PC deficiency), type B (referred to as severe neonatal PC deficiency) and the less common type C (referred to as intermittent or mild PC deficiency)