l carnitine overdose symptoms L-carnitine for valproic-acid induced toxicity Carnitine: Genetic Variants Affecting Mitochondrial
Description
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KerlingAKckMTegtburUGramsLWeber-SpickschenSHankeAet al
Individuals with defective carnitine transport have poor intestinal absorption of dietary L-carnitine, impaired L-carnitine reabsorption by the kidneys (i.e., increased urinary loss of L-carnitine), and defective L-carnitine uptake by muscles (4)

However, it needs to be stated that the US patient case was non-compliant to medical therapy
