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Stimulants are compounds that increase energy and awareness.
Xanthines (primarily caffeine) are used to temporarily relieve feelings of fatigue, while eugeroics are used to relieve chronic drowsiness.
Stimulants are not traditionally considered nootropic. They are not used to increase normal functioning, but instead to maintain normal function when fatigued.
Caffeine is found in several foods and beverages: Cocoa, tea, coffee, and soda.
Pills are cheap, readily available at numerous stores, and provide a consistent level of caffeine. Remember to only use proper dosage / No more than the recommended dose.
- Half-life
5 hours - Legality
Legal in all jurisdictions - Brand Names
Caffeine pills generally have no specific name. They are manufactured by multiple brands, including Equate and Vivarin
A eugeroic used to treat narcolepsy and other excessive sleep disorders by promoting wakefulness in addition to a simple "upping."
- Half-life
12-15 hours - Legality
Requires a doctor's prescription in Europe, the United States and Australia - Brand Names
Modiodal, Provigil
Forms modafinil when metabolized within the body and has similar effects to modafinil, although they are delayed and weakened so a higher dose is usually required.
Adrafinil can cause liver damage among other issues, it should only be used for a short period of time.
- Half-life
1 hour - Legality
Unregulated by the FDA / Legal in the United States - Brand Names
Olmifon
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