Phenibut, Phenibut (beta-phenyl-gamma-aminobutyric acid HCl) also known as Anvifen, Fenibut, and
Noofen among others, is a CNS depressant with anxiolytic and sedative effects which is used in
treating anxiety, insomnia, stuttering, vestibular disorders, irregular heartbeat, and post-traumatic stress
disorder and for a variety of other indications.
Phenibut is a calming, mood lifting, sociability enhancing, and potentially nootropic supplement that
acts as a GABA-B agonist to ease stress and support a positive, social mood. It is usually taken by
mouth as a tablet, but can also be given as an intravenous infusion.
The main fuction of phenibut is pain-reduction, easing muscle tension and stress, and promotion of
deep, restful sleep.The best amount of Phenibut is 500 - 2000mg per day, you can also take more of
the strenght depending on the situation you are in. The appropriate dose of phenibut depends on
several factors such as the user’s age, health, and several other conditions
Phenibut should not be consumed in amounts exceeding 4 grams total per week.
Many people are afraid of buying phenibut online for it not being legal. Phenibut is legal so don't be
afraid to order online. Although Phenibut withdrawal can be extreme if the drug is not used properly,
Phenibut is essentially harmless. This drug (Phenibut) is not toxic and had not been recorded to cause
overdose. For this reason, Phenibut remains legal in the USA and is not a controlled substance in
countries like the UK or Australia or Canada.
The Phenibut is sometimes used by astronauts for calming effects and ability to improve mental
clarity. Often called a “smart pill”, phenibut may be used by executives and students in an effort to
improve focus and productivity. Increasing brainpower is something that has long been sought via
Common side effects of phenibut include sedation, sleepiness, nausea, irritability, agitation, dizziness,
and headache, among others
Phenibut is available as a medication in the form of 250 mg tablets for oral administration and as a
solution at a concentration of 10 mg/mL for infusion
Phenibut is thought to act as a GABAB receptor agonist, similarly to baclofen and γ-hydroxybutyrate
(GHB). Subsequent research has found that it is also a potent blocker of α2δ subunit-containing
voltage-dependent calcium channels (VDCCs), similarly to gabapentinoids like gabapentin and