difference betweeen l-carnitine and levocarnitine American Regent Introduces Levocarnitine Injection,
Description
However, it also includes naloxone, which deters misuse by blocking the euphoric effects of opioids when taken improperly

Anesthesiology 122(5):11701175

GMP 100, 000

10.1007/s00394-004-0432-z