l-carnitine in diet (fumarate) L-carnitine biosynthesis. L-carnitine can be
Description
This formulation is often used to support both heart and muscle energy

The authors of those individual studies as well as the reviewers have generally attributed the lack of performance benefits with L-carnitine to the inability to increase resting muscle carnitine concentrations

Joseph R, Ho LY, Gomez JM, et al

These enzymes introduce unsaturation at C5, C6, or C9 of various fatty acid substrates

First-degree heart block , the mildest form of a heart block
