nootropics
Modafinil for cognitive enhancement
It works for the sleep disorders it is licensed to treat. Whether it makes a rested person think better is a different question, with a messier answer.
nootropics
Compounds claimed to improve cognition, memory, focus or mood.
nootropics
Ginkgo biloba for preventing dementia
Two multi-year trials in nearly six thousand older adults, one publicly funded and one paid for by the manufacturer. Both found nothing.
nootropics
L-theanine and caffeine for focus
Does the combination beat caffeine on its own — and how would we know?
nootropics
Lion's Mane for memory and focus
Does Hericium erinaceus improve cognitive function in humans?