l-carnitine risks Side Effects & L-Carnitine doesn't magically burn fat,
Description
Metabolic Fate of Dietary Carnitine in Human Adults: Identification and Quantification of Urinary and Fecal Metabolites
Moreover, low serum concentrations of vitamin B 12 during pregnancy have been linked to an increased risk for NTDs (87), and there is concern that folic acid supplementation during pregnancy may mask the clinical diagnosis of vitamin B 12 deficiency
and (3) group treated with 50 mg/kg lead acetate + 100 mg/kg L-Carnitine

That's right - 90%
