acetyl l-carnitine how it works The carnitine shuttle. and acetyl-l-carnitine enter the Carnitine Acetyltransferase - an overview

doi: 10.1016/j.tice.2021.101569 110 XiaXCaoGSunGZhuLTianYSongYet al

Once in the cortex, upregulation of KCC2 is necessary for the reduction of interneuron motility through the drop of neuronal chloride, a process which is also a precondition for the inhibitory effects of the neurotransmitter GABA and glycine in the CNS (Yeo et al., 2013)

Toxicol Lett 208:286292

They provide modest thermogenic or lipolytic effects, typically in the range of 50 to 100 extra calories burned per day

Including fish in your daily diet can be beneficial if youre experiencing insomnia and headaches due to vitamin B12 deficiency

I'd find out what tests to ask for next, what research papers were useful, whether all these weird symptoms were normal for B12 deficiency