L Carnitine vs L Arginine: Understanding Their Differences and Benefit Fitness Health Decoding the Duo: L Carnosine and L Carnitine in Wellness Clinikally Nieuws Is L Carnosine hetzelfde als L carnitine? 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 Carnitine vs. Carnosine: What's the Difference?