Another randomized placebo-controlled trial in 2,330 patients with acute MI, L-carnitine therapy (9 g/day intravenously for five days, then 4 g/day orally for six months) did not affect the risk of heart failure and death six months after MI (50)
(More information) Routine administration of L-carnitine to people with end-stage renal disease undergoing hemodialysis is not recommended unless it is to treat carnitine deficiency
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings)
(PubMed) Karlic H, Lohninger A, Laschan C, et al
Dokmeci, D., Inan, M., Basaran, U