acetyl-l-carnitine degradation Carnitine Acetyltransferase - an overview Possible metabolism of acetyl-l-carnitine (ALCAR)

doi: 10.1111/nyas.14196 116 Valcrcel-AresMNRiveiro-NaveiraRRVaamonde-GarcaCLoureiroJHermida-CarballoLBlancoFJet al

Adv Drug Deliv Rev 64:138153 Shen DW, Cardarelli C, Hwang J et al (1986) Multiple drug-resistant human KB carcinoma cells independently selected for high-level resistance to colchicine, adriamycin, or vinblastine show changes in expression of specific proteins

This antioxidant effect may work synergistically with telomerase activation to protect cellular health from multiple angles

Either way, you are probably getting good benefits, however, and its probably more important, for health reasons, to stick to organic beans, no matter how you brew them, since conventional coffee crops tend to be heavily sprayed with pesticides