food with propionyl-l-carnitine L-Carnitine: Benefits, side effects, and dosage Glycine propionyl-L-carnitine - Wikipedia
Description
It is also a stable form of carnitine and does not easily degrade
Cleary, PA

doi: 10.1097/PHM.0000000000001667

P.et al (2019b)

As the acylation state of carnitine in the plasma reflects the composition of the cytosolic acylcarnitine pool, this serves as a diagnostic marker for the equilibrium between acyl-CoA and acylcarnitine species
L-carnitine is a conditionally essential nutrient , meaning that the body can generally make enough of it, but, in some cases, a person may have to get the compound from food or oral supplements if they cannot make enough
