Other names: Aminophenyl butyric hydrochloride acid, Phenibut HCL, Fenibut, Fenigam; Phenigam; Phenybut; Phenygam; Phenylgamma; Phenigama; PHG; PhGABA; β-Phenyl-γ-aminobutyric acid; β-Phenyl-GABA; Noophen/ Noofen; Anvifen Form: Pills (250mg) Active ingredient: Aminophenyl butyric acid hydrochloride Excipients: Lactose, potato starch, calcium stearate Formula: C10H13NO2 • HCl Pharmacological classification: Nootropic, anxiolytic ATC code: N06BX22 Other psychostimulants and nootropic agents CAS Number: 1078-21-3 Pharmacological action: Nootropic, tranquilizing, anxiolytic, neuroprotective, antioxidant, antiplatelet Elimination half-life: 5.3 hours (250 mg) Storage conditions: Store in a dry dark place at temperatures no higher than 25°C. Keep out of reach of children. Shelf life: 5 years Manufacturer: Usolye Pharm Phenibut is a derivative of the naturally occurring inhibitory neurotransmitter Gamma-Aminobutyric Acid, or GABA. An extra phenyl ring makes Phenibut cross the blood-brain barrier much better than the original compound. Phenibut is not approved by the FDA and is not intended to diagnose, treat, cure, or prevent any disease. In the United States and many other countries, it is primarily used as a research chemical in pharmaceutical testing and scientific studies. For more details, please refer to the manufacturer’s instructions or peer-reviewed scientific literature. Note: In accordance with the FDA’s rules, we do not provide information regarding medical indications or therapeutic uses of this compound on our website.