Metabolites as regulators of insulin sensitivity and metabolism Nature Reviews Molecular Cell Biology Comparative study to evaluate the effect of l carnitine plus glimepiride versus glimepiride alone on insulin resistance in type 2 diabetic patients ScienceDirect Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Synergistic effects of the integrative administration of acetyl L carnitine, L carnitine, L arginine and N acetyl cysteine on metabolic dynamics and on hepatic insulin extraction in overweight obese patients with PCOS GREM Gynecological and