Will L Carnitine help you with insulin resistance? We have study results! Acetyl L Carnitine Divine Bounty Hypertension and Insulin Resistance Hypertension Allergy Research Group , Acetyl L Carnitine 500 mg 100 Capsules Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn Carnitine supplementation improves metabolic flexibility and skeletal muscle acetylcarnitine formation in volunteers with impaired glucose tolerance: A randomised controlled trial eBioMedicine