l carnitines L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml) iSatori L-Carnitine LS3 3000 -
Description
Do not use if you have primary systemic L-carnitine deficiency or secondary L-carnitine deficiency (inborn errors of metabolism) for which levocarnitine supplementation is prescribed and/or monitored by a healthcare practitioner

Burgess HJ, Bahl S, Wilensky K, et al

[DOI] [PubMed] [Google Scholar] 7.Kampira E, Kumwenda J, van Oosterhout JJ, Dandara C

In other words, these situations where we have defective mitochondria

The study did not measure the L-carnitine excretion from urine before and after the intervention, which might provide further explanation of L-carnitine distribution inside the human body
