l carnitine cause heart arrhythmia Deficiency: What Is It, Causes, Symptoms, and More Can L-Carnitine Support Energy Levels
Description
Among homozygous PCD patients there were two cases of unexplained myocardial scarring and this is in contrast to no myocardial scarring in any of the other study participants (p = 0.10)

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People who are taking certain types of antibiotics and anticonvulsants should speak with a doctor before taking L-carnitine, as this supplement may interact with the medications

L-carnitine's role is more about energy handling than being a direct "shine ingredient," since it supports fat use for energy
doi: 10.1146/annurev.bi.57.070188.001401
