(±)-Carnitine-d9 (chloride) 是 (±)-Carnitine chloride 的氘代物。(±)-Carnitine chloride 有D和L两种异构体。L-carnitine在脂肪酸的β-氧化中起重要作用，也具有抗氧化作用和抗炎活性。 (±)-Carnitine-d9 (chloride) is the deuterium labeled (±)-Carnitine chloride. (±)-Carnitine chloride exists in two isomers, known as D and L. L-carnitine plays an essential role in the β-oxidation of fatty acids and also shows antioxidant, and anti-inflammatory activities.