Modafinil-prodrug eugeroicsEugeroicA class of wakefulness-promoting compounds (e.g. the modafinil type) acting differently from classic stimulants.
Adrafinil vs Fladrafinil
The table compares the compounds’ key data from their entry pages. Open each compound’s full entry for details. Educational content, not medical advice.
| AAdrafinil | FFladrafinil | |
|---|---|---|
| What it is | Modafinil prodrug (hepatic conversion). OTC in some EU regions, with slower onset. | Bis-fluorinated Adrafinil analog, aggression-reducing profile, investigational. |
| MechanismMechanism of actionThe molecular pathway by which a compound acts in the body (e.g. which receptor or enzyme it binds). | Modafinil prodrug, alpha-1 adrenergic | Modafinil-prodrug profile |
| Half-lifeHalf-lifeThe time for the compound’s plasma concentration to fall by half; indicates how fast it clears and how often it is dosed. | 1 h (Adrafinil) / 12-15 h (Modafinil) | No validated human data |
| OnsetOnsetThe time from dosing until a measurable effect appears. | 60-90 min | — |
| Legal statusLegal / WADA statusThe compound’s regulatory status (e.g. prescription) and its place on the WADA prohibited-in-sport list. | EU OTC research, USA OTC | Not approved anywhere |
| Full entry | Open → | Open → |
What it is
AdrafinilModafinil prodrug (hepatic conversion). OTC in some EU regions, with slower onset.
FladrafinilBis-fluorinated Adrafinil analog, aggression-reducing profile, investigational.
MechanismMechanism of actionThe molecular pathway by which a compound acts in the body (e.g. which receptor or enzyme it binds).
AdrafinilModafinil prodrug, alpha-1 adrenergic
FladrafinilModafinil-prodrug profile
Half-lifeHalf-lifeThe time for the compound’s plasma concentration to fall by half; indicates how fast it clears and how often it is dosed.
Adrafinil1 h (Adrafinil) / 12-15 h (Modafinil)
FladrafinilNo validated human data
OnsetOnsetThe time from dosing until a measurable effect appears.
Adrafinil60-90 min
Fladrafinil—
Legal statusLegal / WADA statusThe compound’s regulatory status (e.g. prescription) and its place on the WADA prohibited-in-sport list.
AdrafinilEU OTC research, USA OTC
FladrafinilNot approved anywhere
Full entry