A review of N‑acetyl‑L‑leucine describing proposed mechanisms, preclinical and clinical evidence, and therapeutic perspectives across neurological disorders.

Offers moderate repurposing potential for Parkinson's by highlighting neuroprotective and symptomatic mechanisms, but the lack of PD‑specific data, absent abstract, and limited coverage of key PD pathways (alpha‑synuclein, mitochondria, lysosomes) reduce its immediate translational value.