eating too much l carnitine Revisiting the Role of in Heart Disease Through the Lens of the Gut Microbiota L-Carnitine | Linus Pauling Institute
Description
L-carnitine homeostasis is regulated at multiple levels including intestinal absorption, de novo biosynthesis and renal reabsorption [16]

In urinary metabolomics Dong et al
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However, it should be noted that the bioavailability of LC obtained through meals is approximately-four times higher than that obtained from dietary supplements

Therefore, the FNB did not establish Dietary Reference Intakes (DRIs) for carnitine

L-carnitine and alpha-lipoic acid improve age-associated decline in mitochondrial respiratory chain activity of rat heart muscle
