MFPVP
Aliases: 4f-3m-ฮฑ-pvp, 4f-3me-ฮฑ-pvp, 3-m-4-f-ฮฑ-pvp, 3-methyl-4f-pvp, 4-fluoro-3-methyl-ฮฑ-pyrrolidinopentiophenone
Summary
Pharmacology data are scarce; in vitro transporter assays of related ฮฑ-PVP analogs suggest nanomolar NET/DAT inhibition. A 2022 forensic case reported fatal ventricular tachycardia with femoral blood 26 ng/mL, illustrating low LD50 margin. Fluorine substitution is predicted to raise metabolic stability, extending active phase relative to alkyl-only peers.
Dose Information
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Peak | Offset |
|---|---|---|---|
| Oral / Sublingual | 15-30 min | 30-90 min | 1-2 hrs |
| Insufflated | 5-10 min | 30-90 min | 60 min |
| Vaporized / Smoked (Freebase Foil Or Mesh) | 1 min | 2-10 min | 30-45 min |
Effect Profile
Scores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Stimulant
6.1
Strong
6/10
Strong euphoria and anxiety/jitters with moderate focus, mild stimulation
Stimulation / Energy
×3
5
stimulation
wakefulness
Euphoria / Mood Lift
×2
10
physical euphoria
euphoria
cognitive euphoria
motivation enhancement
Focus / Productivity
×2
7
focus enhancement
motivation enhancement
thought acceleration
Anxiety / Jitters
×1
10
anxiety
paranoia
increased heart rate
teeth grinding
vasoconstriction
sweating
Based on reports from:
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3โ7 days for acute; 1โ3 weeks for full reset
Tolerance Decay
Full tolerance
1d
Half tolerance
7d
Baseline
~14d
Tolerance data for MFPVP are limited; parameters extrapolated from ฮฑโPVP/MDPV patterns and community reports; use as a conservative planning guide only.
Cross-Tolerances
Effects
Positive
- Stimulation
- Physical euphoria
Negative
- Increased heart rate
- Vasoconstriction
- Increased perspiration
- Teeth grinding
- Increased blood pressure
- Insomnia
- Sweating
- Temperature regulation suppression
Positive
- Euphoria
- Focus enhancement
- Motivation enhancement
- Cognitive euphoria
- Wakefulness
Negative
- Compulsive redosing
- Anxiety
- Paranoia
- Thought acceleration
- Ego inflation
Positive
- Tactile enhancement
- Increased libido
- Increased music appreciation
Negative
- Light sensitivity
- Appetite suppression
- Dehydration
- Disinhibition
- Appetite Suppression
- Vibrating vision
- Increase sexuality
Combinations
MFPVP's nerd page
Pharmacology, chemical data, effect profiles, and more
→