l-carnitine nih in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review Clinical Effects of L-Carnitine Supplementation
Description
Effects of long-term treatment with Acetyl-L-Carnitine

Tissue dependence and effect of l-carnitine
Investigating the Effects of a Multinutrient Supplement on Cognition, Mood and Biochemical Markers in Middle-Aged Adults with 'Optimal' and 'Sub-Optimal' Diets: A Randomized Double Blind Placebo Controlled Trial

Even better, it also appears to have a wide range of applications for improving memory and other cognitive functions (such as concentration), prolonging life and having anti-ageing effects
