injected l'carnitine seizures L-Carnitine (Preservative-Free) 100 mg/mL – 30 mL Injectable – Premium Health Care Pharmacy L - Carnitine Intramuscular shot
Description
Genetic Deficiency of Flavin-Containing Monooxygenase 3 (Fmo3) Protects Against Thrombosis but Has Only a Minor Effect on Plasma Lipid LevelsBrief Report

10.1128/mBio.02210-15 13 ChenP.-Y.LiS.KohY.-C.WuJ.-C.YangM.-J.HoC.-T.et al (2019)

Cardiomyopathy has also be observed [30]

The truth is that L-carnitine does work under the right circumstances
