Why has propionyl l carnitine become impossible to find in online/offline retail stores?

Easy. I am using it right now.
Glycine propionyl l carnitine or propionyl l carnitine?
The olympics made sourcing some compounds very, very difficult.
M.Ed. Ex Phys
If you don't mind caffeine, the now discontinued Primaforce Durablast is still around for about $18 for 30g of PLC plus others.
Does GPLCAR seem to do the same thing as PLCAR?
subbed ... im interested in using Glycine Propionyl-L-Carnitine Hydrochloride for pre-workout pumps and veins.