acetyl l carnitine for pelvic floor dysfunction L-Carnitine and acetyl-L-carnitine roles and neuroprotection in developing brain Acetylcarnitine - Wikipedia
Description
Oral administration of ALC decreased VAS scores significantly
Levocarnitine (intravenous route) - Description and brand names

Notheyre more convenient, not superior

The carnitine shuttle is essential to prevent accumulation of long chain fatty acids and long chain acyl-CoAs which can be deleterious to cells [1, 43, 54]
