can glycine propionyl-l-carnitine cause lightheadedness The Role of l-Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Carnitine Deficiency: What Is It,

In patients with chronic heart disease, administration of L-carnitine over 12 months led to attenuation of left ventricular dilatation and prevented ventricular remodeling while reducing incidence of chronic heart failure and death [125]

doi: 10.1002/jnr.21722

L-carnitine is absorbed most quickly when taken on an empty stomach or with a simple carbohydrate

Heart health: Between 500 and 1,000 mg per day to support heart function

There are a variety of methods utilized to either prevent or mitigate peripheral neuropathy, and one potential option with increasing amounts of research into its efficacy and safety is acetyl-L-carnitine