Background and objective: L-carnitine is an essential molecule involved in mitochondrial metabolism, controlling the transport of acetyl and acyl groups across the mitochondrial inner membrane.

• 背景和试验目的：左旋肉碱是一种与线粒体内新陈代谢相关的重要物质，控制乙酰和酰基类穿过线粒体内膜的传输。