nature's bounty acetyl l-carnitine Nature's Bounty L-Carnitine Amino Acid
Description
In the current study, tissue staining showed a decrease in lipid deposition in the liver via L-carnitine administration

Zhao Y, Lv H, Yu C, Liang J, Yu H, Du Z, Zhang R (2024) Systemic inhibition of mitochondrial fatty acid -oxidation impedes zebrafish ventricle regeneration

Some people even claim they are the best you can get out there

CL Answer What are the health benefits of zinc carnosine, also called polaprezinc, and is it safe
Once the acylcarnitine is formed, a specialized carrier protein called Carnitine-Acylcarnitine Translocase (CACT) shuttles it across the inner mitochondrial membrane and into the mitochondrial matrix