l carnitine cause insomnia L-Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review Impact of sleep disorders on
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[Google Scholar] Usta U., Inan M., Erbas H., Aydogdu N., Oz Puyan F., Altaner S

Acetyl L-Carnitine is often taken earlier in the day or around periods of physical or mental activity

The metabolic adaptation evoked by arginine enhances the effect of radiation in brain metastases

10.1016/j.jns.2017.07.042 [DOI] [PubMed] [Google Scholar] 53.Fukazawa T, Sasaki H, Kikuchi S, Hamada T, Tashiro K

This suggests that even with regular exercise, L-carnitines effect on fat loss is minimal

Muscle-Liver substrate fluxes in exercising humans and potential effects on hepatic metabolism
