is using l carnitine ethical journal The effect of l-carnitine supplementation on mortality and clinical outcomes in ventilator-dependent critically ill patients with obesity and COVID-19: Protocol for a randomized double-blind placebo-controlled trial Acetyl-L-Carnitine
Description
results vary with dose, timing, and exercise type

Morid OF, Menze ET, Tadros MG, George MY

Research suggests that taking a specific vitamin complex containing L-carnitine (Godex, Celltrion Pharm, Seoul) together with the drug entecavir daily for 12 months improve liver function in people with hepatitis B

HAM-A, Hamilton Anxiety Rating Scale

[13] Activation [edit] Carnitine shuttle activation occurs due to a need for fatty acid oxidation which is required for energy production
