GABA-B agonists (Phenibut family)
Phenibut vs F-Phenibut
The table compares the compounds’ key data from their entry pages. Open each compound’s full entry for details. Educational content, not medical advice.
| Phenibut | F-Phenibut | |
|---|---|---|
| What it is | β-phenyl-GABA, GABA-B agonist, Russian prescription anxiolytic. | Fluorinated Phenibut, more potent, more lipophilic GABA-B agonist variant. |
| Mechanism | GABA-B agonist + Ca²⁺-α2δ | GABA-B agonist (Phenibut-like) |
| Half-life | ~5 h | No validated human data |
| Legal status | Russia Rx / UK Class C (2024) | Not approved anywhere |
| Full entry | Open → | Open → |
What it is
Phenibutβ-phenyl-GABA, GABA-B agonist, Russian prescription anxiolytic.
F-PhenibutFluorinated Phenibut, more potent, more lipophilic GABA-B agonist variant.
Mechanism
PhenibutGABA-B agonist + Ca²⁺-α2δ
F-PhenibutGABA-B agonist (Phenibut-like)
Half-life
Phenibut~5 h
F-PhenibutNo validated human data
Legal status
PhenibutRussia Rx / UK Class C (2024)
F-PhenibutNot approved anywhere
Full entry