propionyl l carnitine and l carnitine Propionylcarnitine - an overview Glycine propionyl-L-carnitine - Wikipedia
Description
Bedirian, V
It is present in every cell and fondly called as the king of antioxidants

[DOI] [PubMed] [Google Scholar] 30.Fu Y, Zheng S, Lin J, Ryerse J, Chen A
doi: 10.1007/s12038-010-0004-8

The doses they take are 2mg each day

3.1 Physiological basis of elevated intraocular pressure Elevated intraocular pressure (IOP) is a major risk factor for the development of glaucoma (5053)
