US$ 29.85
gnc acetyl l carnitine 500 mg Acetyl-L-Carnitine alpha-Lipoic Acid 500mg / 200mg Acetyl L Carnitine Capsules For
Description
doi: 10.2337/db12-0716 [DOI] [PMC free article] [PubMed] [Google Scholar] 52

It is a substance occurring naturally in humans, where it is synthesized endogenously in the liver, kidneys, and brain

Food Chem

Thats the idea behind combining L-Carnitine and L-Theanine

doi: 10.1093/humupd/2.2.87
