In this study, the amino acid acetyl-l-carnitine outperforms the most commonly used drug, the latter often intolerable for its side-effects after a prolonged period:


http://www.ncbi.nlm.nih.gov/en...&itool=pubmed_docsum


It is sad, and perhaps deplorable, that so many western medical doctors under-utilize these alternatives, given the relative failure of drug therapies beyond superficial resolution of symptoms often leading to toxicity symptoms as bad as the original complaints.