Nootropics
Nootropics are compounds studied for focus, memory, mental energy, and long-term brain health. The entries below summarize what each one does, how to take it, and how strong the evidence really is.
6 nootropics supplements in the library.
Alpha-GPC
A highly bioavailable choline source for memory and power output.
Caffeine
The world's most popular cognitive stimulant.
Citicoline
A choline source studied for focus, memory, and brain health.
Huperzine A
A plant alkaloid that slows acetylcholine breakdown for memory.
Phosphatidylserine (PS)
A brain-cell phospholipid studied for memory and stress.
Uridine
A nucleotide studied for memory, mood, and brain membranes.
Where to buy nootropics
The most-researched options in this category. Choose third-party-tested brands in the forms each supplement's page recommends.
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