Nootropics (pronounced noh-uh-trop-iks) chemical compounds that improve mental functions. such as cognition, memory, hand-eye coordination, alertness, and focus. Another aspect is that nootropics tend to have very few side effects and a low toxicity.
Each of these has different effects / dosages. Do your research before you go shopping.
Acetyl-L-Carnitine
Agmatine Sulfate
Alpha-Glycerol-Phoshoryl-Choline
Aniracetam
Bacopa
Carnosine
Centrophenoxine
Choline
Deprenyl
DMAE
Galantamine
Huperzine A
Hydergine
Idebenone
Nebracetam
Nefiracetam
Nicergoline
Noopept
Oxiracetam
Phenibut
Phenylpiracetam
PhosphatidylCholine
Picamilon
Piracetam
Pramiracetam
Pyritinol
Rasagiline
Sarcosine
Sulbutiamine
Sunifiram
Unifiram
Vasopressin
Vincamine
Vinpocetine
Compounds that affect the body but are not used primarily to improve cognitive function are listed here.