Phenibut

Also known as: β-Phenyl-γ-aminobutyric acid, Noofen, Phenybut, Citrocard., 4-Amino-3-phenylbutyric acid, Fenibut

Phenibut is a central nervous system depressant that was developed in the Soviet Union during the 1960s. It is often used as a dietary supplement for its purported benefits in reducing anxiety, improving sleep, and enhancing cognitive function. Phenibut is chemically similar to the neurotransmitter gamma-aminobutyric acid (GABA), which plays a key role in reducing neuronal excitability throughout the nervous system. By mimicking GABA, Phenibut is believed to exert its calming effects on the brain, helping to alleviate stress and anxiety. It is sometimes used in clinical settings in Russia and ...

Potential Side Effects

Side effects score: 7; Phenibut is a supplement that some people use for its calming effects, but it can have several side effects. Common side effects include drowsiness, dizziness, and nausea. Some users may experience headaches, irritability, or a hangover-like feeling. More serious side effects can occur with higher doses or prolonged use, such as dependence, withdrawal symptoms, and mood chan