is jay cutler's l carnitine legit L-Carnitine: Optimal Timing for Best Energy Boost Cutler Carnitine 3000 – Ares
Description
It is occasionally used as a prescription to treat primary and secondary carnitine deficiencies, which can affect energy metabolism and cause symptoms such as muscle weakness

Feed immediately do not reheat or store leftovers
An improved and simplified radioisotopic assay for the determination of free and esterified carnitine

[DOI] [PubMed] [Google Scholar] Verrotti A, Trotta D, Morgese G, Chiarelli F
