l carnitine how many times a day L‑Carnitine Liquid 3000mg with Green Tea L-Carnitine: Benefits, Side Effects, FAQ,

L-Carnitine is a non-essential amino acid that helps to maintain overall good health by facilitating the transfer of fatty acid groups into the mitochondrial membrane for cellular energy production.* It naturally occurs in red meat and other animal source foods, but we recommend supplementation to obtain optimal levels of this excellent amino acid

Their findings come from comparing peripheral blood mononuclear cells in patients with Mycobacteroides abscessus lung infections with those from healthy controls

According to the purpose

It appears unlikely that maternal levocarnitine supplements during nursing would be harmful to the infant, but until more data are available, it is probably best to avoid levocarnitine supplementation unless a healthcare professional prescribes it.