St John's wort (Hypericum perforatum) diminishes cognitive impairment caused by the chronic restraint stress in rats.
Influences of glutamine administration on response selection and sequence learning: a randomized-controlled trial
Phosphatidylserine and the human brain.
Neuropharmacological Review of the Nootropic Herb Bacopa monnieri
The Cognitive-Enhancing Effects of Bacopa monnieri: A Systematic Review of Randomized, Controlled Human Clinical Trials
DMAE: The Smart Supplement
Acetyl-l-carnitine: Important for Mental Health
A double-blind, placebo-controlled, randomized trial of Ginkgo biloba extract EGb 761 in a sample of cognitively intact older adults: neuropsychological findings.
Effects of Ginkgo biloba on mental functioning in healthy volunteers.
Huperzine-A to Help With Mental Problems and the Inability to Care for Oneself in Patients With Schizophrenia
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