@albiet, Na-R-ALA and Acetyl L-Carnitine are two different supplements. You can find out more with the following links...

Different Forms of Lipoic Acid: What You Need to Know - https://geronova.com/consumers/different-forms-of-lipoic-acid/
L-Carnitine | Linus Pauling Institute | Oregon State University - https://lpi.oregonstate.edu/mic/dietary-factors/L-carnitine
Acetyl-l-carnitine: Health Benefits, Uses, Side Effects, Dosage - https://www.rxlist.com/acetyl-l-carnitine/supplements.htm