F-Phenibut (Fluorophenibut) HCL 99% Powder

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F-Phenibut HCl (also known as 4-FluorophenibutFluorophenibutFluorobut and CGP-11130) is a several-fold more potent derivative of Phenibut. F-Phenibut (Fluorophenibut) has a behavioural potency of approximately five to tenfold higher than Phenibut in vivo, with approximately sixfold higher affinity as a GABAB agonist than Phenibut.

F-Phenibut  is a central nervous system depressant and closely related structural analog of Phenibut. F-Phenibut possesses an effect profile similar to Phenibut but with a faster onset, significantly increased potency, and shorter duration.

Other nootropics take a while to kick in while 4 Fluorophenyl takes only 20 minutes to take effect. For others, it takes up to 60 minutes before they feel any difference.

The effect can last between 6 to 8 hours.