natural l carnitine sources from food Carnitine Source Naturals L-Carnitine, Metabolic Energy*,

10.1038/nrmicro2653 [DOI] [PubMed] [Google Scholar] 28

Stick with the amount the vet told you to give the cat

Lund, A

Naturally Occurring Amino Acid Profile Essential Amino Acid (EAAs) Tryptophan Valine* Threonine Isoleucine* Leucine* Lysine Phenylalanine Methionine 11 G Typical amount per serving Conditionally Essential Amino Acid (CAAs) Arginine Cystine Tyrosine Histidine Proline Glutamine & Glutamic Acid 7.7 G Typical amount per serving Nonessential Amino Acid (NAAs) Aspartic Acid Serine Glycine Alanine 5.3 G Typical amount per serving *Total BCAAs 5.5 grams NOTICE: FOR USE AS A DIETARY SUPPLEMENT ONLY

And while we may commonly call them false positives, that term is not entirely accurate