l carnitine stimulant free L-Carnitine L-Carnitine 3000 - Stimulant-Free L-Carnitine
Description
No improvement and some decline in mental acuity were observed in APOE4 positive subjects

Can l-carnitine reduce post-COVID-19 fatigue

[DOI] [PubMed] [Google Scholar] 33.Ringseis R., Keller J., Eder K

[DOI] [PubMed] [Google Scholar] 44.Famularo G, Moretti S, Marcellini S, et al

A group of small and inconclusive studies suggests L-theanine may improve attention and alleviate some symptoms of ADHD
[DOI] [PMC free article] [PubMed] [Google Scholar] 131.Tambini MD, Pera M, Kanter E, Yang H, Guardia-Laguarta C, Holtzman D, et al
