Nootropics: “Smart Drugs” for Training and Recovery | Optimal Performance Nootropics are low toxicity ‘smart drugs’ that boost brain activity and memory without having deleterious effects on the nervous system. Nootropics are substances that increase the effectiveness of the brain ...whether by healing the brain of whatever may be causing problems....or by augmenting or making the brain more effective. They can improve learning and memory both short and long term. with activityboostbraindrugslownootropicssmarttoxicity