that's l carnitine affect the thyroid Deficiency: What Is It, Causes, Symptoms, and More L-Carnitine | Linus Pauling Institute
Description
L-carnitine plays an active role by promoting the beta-oxidation of fatty acids in sebum, particularly triglycerides and free fatty acids such as palmitic acid

They also differ mechanistically

Henry Blooms Acetyl-L-Carnitine 500 is a convenient and effective fat metaboliser and energy booster for daily use

Aceasta formula ajuta la ameliorarea afectiunilor cardiovasculare, sustine sistemul nervos si muscular, are efect antioxidant, de mentinere a greutatii normale, energizant si anti-ageing

L-Carnitine, also known as levocarnitine, is a naturally occurring compound derived from amino acids

In addition, LC stimulates the TAUT expression and TAU uptake in VSMCs
