Adrafinil | phenibut
Adrafinil is a eugeroic that was formerly used in France to promote alertness, attention, wakefulness, positive mood, and other parameters, particularly in the elderly. It was also used off-label by individuals who wished to avoid fatigue, such as night workers or others who needed to stay awake and alert for long periods of time. Additionally, “adrafinil is known to a larger nonscientific audience, where it is considered to be a nootropic agent.”
It takes time for the metabolite to accumulate to active levels in the bloodstream. Effects usually are apparent within 45–60 minutes when taken orally on an empty stomach.
Phenibut, sold under the brand names Anvifen, Fenibut, and Noofen among others is a central nervous system depressant with anxiolytic effects, and is used to treat anxiety, insomnia, and for a variety of other indications. It is usually taken by mouth as a tablet, but may be given intravenously