why l carnitine is used Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health L-Carnitine - Force Factor
Description
Parenteral delivery may also have implications for the safety of long-term treatment with acetyl-l-carnitine as described in the Safety section below

* Number of episodes per day

Modulation of GSH metabolism N-acetyl-L-cysteine (NAC) supports GSH metabolism by providing cysteine for GSH replenishment
Biologically, humans produce a specific transport protein for ergothioneine (OCTN1), rendering it highly bioavailable and readily retained

Enhances immune function and cognitive abilities

Redox Biol (2015) 5:417
