Phenibut (4-amino-3-phenyl-butyric Acid) is a nootropic which has been well known and widely used. It is derived from Gamma-aminobutyric acid (GABA) which is known as the inhibitory neurotransmitter. Phenibut’s chemical structure is identical to GABA, except for the additional phenyl ring. It is also this phenyl ring makes phenibut can cross over the blood-brain barrier, which GABA are not able to do.

Phenibut can mimic the function of GABA and act as a GABA working on GABA-B receptors and to a lesser extent on GABA-A receptors. Phenibut can selectively target the neurons which are extremly active, “excited” or in a contionously firing. These active neurons are one of the key signs of anxiety disorder. Phenibut can help to regulate these “excited” nuerons and lead to a tranquil and relex feeling. Therefore, stress level can be lowered; anxious thoughts can be reduced. Some studies also proved that phenibut can improve mood and alleviate depression, because phenibut also can stimulates Dopamine receptros.
What makes phenibut different from other anxiety medications is exactlt that it possesses nootropic effects. As a nootropic, phenibut can provide cognitive enhancement effects, and improve memory and focus. Studies have proved it to improve memory capacity, focus, critical thingking and learning. To want to more powderful effect, you can stack it with aniracetam, piracetam and noopept.
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