Phenibut(contracted from β-phenyl-γ-aminobutyric acid) is a central nervous system (CNS) depressantand derivative of the naturally occurring inhibitory neurotransmitter γ-aminobutyric acid (GABA). Phenibut is sold as a nutritional supplement, and is not approved as a pharmaceutical in the United Statesor Europe, but in Russiait is sold as a psychotropic drug. It has been reported by some to possess nootropicactions for its ability to improve neurological functions, but other researchers have not observed these effects. It is generally accepted that phenibut has anxiolyticeffects in both animal models and in humans. Phenibut was discovered in the Soviet Unionin the 1960s, and has since been used there to treat a wide range of ailments including post-traumatic stress disorder, anxiety, and insomnia.

FUNCTION:

1. Phenibut is a derivative of the naturally occurring inhibitory neurotransmitter GABA.

2. Phenibut is used by bodybuilders to reduce fatigue and improve neurological functions.

3. Phenibut has been and is still used medically to treat stress, relieve tension, improve sleep, and as a potentiate for other medications.