The answer, as with most insurance questions involving GLP-1 medications, is that it depends heavily on your specific plan
however, acetyl-L-carnitine, known to be most effective for brain health, and L-carnitine, best known for improved exercise benefits, are the most common and effective forms used in supplements
Rubino F, Nathan DM, Eckel RH, Schauer PR, Alberti KG, Zimmet PZ,
Simultaneously, it also acts on alpha cells to reduce glucagon release
The peptide market contains both legitimate suppliers committed to quality and opportunistic vendors selling substandard or counterfeit products