Propionyl-l-carnitine is an amino acid that our bodies make naturally; related to L-carnitine and acetyl-L-carnitine, it is essential for energy production, heart function and muscle health. It is also beneficial, when used alongside Acetyl-L-Carnitine, in combating erectile disfunction (ED).
Foods that provide Propionyl-l-carnitine are mainly animal based, such as dairy, poultry and red meat.