L Carnitine Linus Pauling Institute Oregon State University Propionyl L Carnitine with Glycine Propionyl L carnitine . hydrochloride Cohealon (Propionyl L Carnitine HCL) 333 mg 90 Tablets Regulatory Functions of L Carnitine, Acetyl, and Propionyl L Carnitine in a PCOS Mouse Model: Focus on Antioxidant Antiglycative Molecular Pathways in the Ovarian Microenvironment Propionyl L carnitine induces eNOS activation and nitric oxide synthesis in endothelial cells via PI3 and Akt kinases ScienceDirect