acetyl-l-carnitine that turbocharged l-arginine Energy, heart, cognition | Acetyl-L-carnitine
Description
(PubMed) Abdizadeh L, Jafari A, Armanfar M

This may be particularly beneficial for those exposed to environmental toxins, high-stress lifestyles, or chronic health conditions

doi: 10.1016/j.ajpath.2019.10.012 41 NewtonKStrasserAKayagakiNDixitVM

It is not a systematic review of all actives and simply serves as an example of potential uses of the proposed PK based methods

A summary of evidence
