l-carnitine good for the heart Didn't another study show carnitine was heart? Heart Failure | Linus Pauling
Description
Fatty acids and energy needs: Fatty acids are used in the mitochondria to produce energy when glucose isnt available

However, isotope tracer studies confirm that TMA and TMAO are sequentially made from orally ingested l-carnitine in both mice and humans, and l-carnitine supplementation has been shown to accelerate atherosclerosis development in murine models of the disease (6, 26)

ORN, ornithine

Research suggests that L-carnitine supplementation, especially when paired with moderate exercise, offers a promising approach to restoring metabolic efficiency, improving muscle health, and sustaining energy levels
