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Phenibut Free Amino Acid – Powder, 50 grams
$29.99
Phenibut (β-phenyl-γ-aminobutyric acid) is a GABA derivative with a phenyl ring substitution, allowing for enhanced lipophilicity and bioavailability. As a free amino acid form, it maintains its unbound state, differing from its HCl or FAA counterparts in solubility and absorption properties.
This compound primarily interacts with GABA_B receptors, influencing neurotransmitter signaling pathways. It undergoes hepatic metabolism via deamination and conjugation, with primary excretion through renal clearance.
What is the duration of action of phenibut?
Phenibut has a half-life of 5.3 h but its effects can last up to a day. It does not manifest in standard urine drug screening. This makes phenibut withdrawal a clinical diagnosis. Our case is the first case of phenibut neonatal withdrawal reported from the United States.
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