l-carnitine for autism supplementation improves the behavioral symptoms in autistic children Researchers study possible carnitine deficiency,

L-carnitine does not directly cause fat loss

They have about 45 calories per tube of drink mix, and have a light but good flavor

95(2): 40033 Drugs.com (2024): L-Carnitine Side Effects

doi: 10.1097/01.psy.0000116249.60477.e9

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