Nootropics & Neurohacking
Substances and protocols that support cognitive function, focus and memory.
SupplementsAdaptogensMushroomsNootropicsDietsTrainingSleepHormonesMicrobiomeMetabolismLongevityTRTBlood testsDiseasesBiomarkersMedicationsBiohackingDiagnosticsMen's healthWomen's healthBrainWeight loss
4.5L-Theanine
An amino acid from tea leaves, most often paired with caffeine to smooth out its stimulating effect.
Moderate evidence
4.3Bacopa Monnieri
An Ayurvedic plant studied for long-term memory support — effects appear only after weeks of regular use.
Moderate evidence
4.7Caffeine
The most widely consumed psychoactive substance in the world — with one of the most solid evidence bases of any nootropic, but also a real risk of disrupting sleep when used incorrectly.
Strong evidence
4.4Citicoline (CDP-choline)
A compound naturally occurring in the body as an intermediate in phosphatidylcholine synthesis — one of the few nootropics with real, though moderate, evidence for improved attention and psychomotor speed.
Moderate evidence