Phenibut often called a “smart pill” is a central nervous system depressant with anxiolytic and sedative effects. It is used in the treatment of anxiety and insomnia. Also for a variety of other indications. It is usually taken by mouth as a tablet. But you can use this as an intravenous infusion also. You may doubt still actually what it is? Phenibut is a chemical which act like a brain chemical called gamma-aminobutyric acid or GABA. It helps you as…