DHA has a positive effect on diseases such as hypertension, arthritis, atherosclerosis, depression, adult-onset diabetes mellitus, myocardial infarction, thrombosis, and some cancers.

Ten hospitalized chronic psychotic patients with symptoms of tardive dyskinesia were given deanol and a placebo. Improvement occurred in all patients during the first treatment phase.

The overall studies have concluded that Bacopa monnieri can be used as a lead formulation for the treatment of Alzheimer's disease and other neurological disorders.

The buffering effects of tyrosine on cognition may be explained by tyrosine's ability to neutralize depleted brain catecholamine levels. There is evidence that tyrosine may benefit healthy individuals exposed to demanding situational conditions.