usp acetyl l-carnitine KAL Acetyl-L-Carnitine and Alpha Lipoic Acid Tablets, 60 ct Acetyl-L-Carnitine | Douglas Labs

Propionyl-L-Carnitine may offer dual benefits by supporting both heart health and sexual function

More specifically, the present invention relates to a process for preparing L-carnitine or acetyl L-carnitine hydrochloride, comprising sequentially synthesizing racemic 4-chloro-3-hydroxybutyronitrile of Formula 2 and racemic 4-chloro-3-hydroxy butyric acid alkyl ester of Formula 3 under specific reaction conditions, using racemic epichlorohydrin of Formula 1 as a starting material, preparing (R)-4-chloro-3-hydroxy butyric acid alkyl ester of Formula 4 from stereoselective hydrolysis of the racemic 4-chloro- 3 -hydroxy butyric acid alkyl ester in an aqueous solution using an enzyme, and preparing L-carnitine of Formula 6 or acetyl L-carnitine hydrochloride of Formula 7 from the (R)-4-chloro-3-hydroxy butyric acid alkyl ester

Another derivative, propionyl- L -carnitine, has been linked to enhanced cardiovascular health and exercise performance, while its effects on gut microbiota and TMAO formation are less well understood [5052]

[1] [25] The kidneys contribute to overall homeostasis in the body, including carnitine levels

Enhanced fat metabolism, aiding weight management