Phenibut (β-phenyl-γ-aminobutyric acid) - a chemical compound which is a derivative of two substances with important influence on psychological state of a human being: gamma-aminobutyric acid and phenylethylamine. It demonstrates a calming effect, facilitates relaxation and is recommended in the therapy of anxiety states. At the same time, it does not cause deterioration of sensorimotor abilities and does not increase the level of sleepiness, enabling normal functioning (however, it needs to be highlighted that there are no reliable sources regarding the influence of Phenibut on the ability to drive vehicles).
Some sources also say that Phenibut is able to increase the level of dopamine. Therefore, β-phenyl-γ-aminobutyric acid may increase the level of motivation and willingness to act.
The organism of a human being can quickly develop tolerance to Phenibut, therefore it is not suitable for constant supplementation. It is effective only as a temporary measure - its activity is much weaker as early as in the second day of application.