Nootropic Powder Phenibut

Phenibut Chemical Information:

  • CAS Number: 1078-21-3
  • Appearance: Powder
  • Chemical Names: 4-Amino-3-phenylbutanoic acid
  • Molecular Formula : C10H13NO2
  • Molecular Weight: 179.216 g/mol

Phenibut Other names:

  • Fenibut,
  • Fenibut citrate
  • Phenybut
  • Noofen
  • Citrocard
  • Phenybut
  • Phenyl-GABA

Phenibut Chemical Structure

Phenibut Chemical Structure

Phenibut Description

Phenibut (also known as Noofen or Fenibut) is a synthetic derivative of GABA which is a neurotransmitter that is primarily inhibitory in nature. If you look at the Phenibut chemical structure, it is essentially a GABA molecule with a Phenyl molecular ring attached to it.

GABA on its own cannot cross over the blood-brain barrier when you ingest it as a supplement. By adding a Phenyl ring, you can effectively design a GABA delivery system which allows this compound to cross over from the blood stream and interact directly with neurons in the brain.

The result is higher levels of GABA activity in the brain and better regulation of over-excitement and anxiety.

Phenibut Dosage:

Phenibut is a calming, mood lifting, sociability enhancing, and potentially (in low serving sizes) nootropic supplement that acts as a GABA-B agonist to ease stress and support a positive, social mood. The primary benefits of Phenibut use also include pain-reduction, easing muscle tension and stress, and promotion of deep, restful sleep.The recommended serving size of Phenibut is 500 – 2000mg per day, in up to two to three separate servings, depending on the desired effect.


  • Reduces stress, boosts mood
  • Promotes deep, healthy restful sleep
  • Creates a feeling of well-being

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