what's better acetyl l-carnitine or l-carnitine Thorne Acetyl-L-Carnitine The acetyl part of the molecule can be used to make acetylcholine Acetyl-L-Carnitine - ALCAR Energy Metabolism

N.et al (2020)

120V / 4A 60Hz Fuses: 4A Ceramic Timed Mode of Operation: Continuous System Status & Fault Diagnostics: On-Board Computer Based Self-Diagnostics Ingress Rating: IPXO Environmental Requirements: 10 degrees C to 30 degrees C Non-Condensing Humidities below 75% RH Radio Frequency Handpiece: Capacitive Multiple Handpiece Frequency: 1 Mhz Power: Up to 140W i-Lipo Handpiece: Laser Type: Laser Diode Wavelength: 658nm x 9 Per Pad

Aquaculture 207:263279 Bartosz G (2000) Free radicals in biology and medicine

And if we can't increase carnitine in the muscle with a supplement and we can't get it into the mitochondria, it can not exert its claimed effects

[DOI] [PubMed] [Google Scholar] 88.Hiramatsu A, Aikata H, Uchikawa S, Ohya K, Kodama K, Nishida Y, Daijo K, Osawa M, Teraoka Y, Honda F, et al