Phenibut
Drug
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... Wikipedia
Bioavailability: Well-absorbed; ≥63% (250 mg)
Duration of action: 15–24 hours (1–3 g)
Excretion: Urine: 63% (unchanged)
Metabolism: Liver (minimal)
Metabolites: Inactive
Routes of administration: Common: By mouth; Uncommon: Rectal
Show more
Show less