4-FMA, a Entactogen, Stimulants, and Butylone, a Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. Both are classified as Entactogen, Stimulantss, meaning they share a common pharmacological foundation. They share 5 documented effects in common, with 2 effects unique to 4-FMA and 20 unique to Butylone. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Level | 4-FMA | Butylone |
|---|---|---|
| Threshold | 10 mg | 20 mg |
| Light | 25–50 mg | 40–80 mg |
| Common | 50–75 mg | 80–125 mg |
| Strong | 100–125 mg | 125–225 mg |
| Heavy | 125 mg | 225 mg |
4-FMA
Total: 4 hrs – 8 hrs
Butylone
Total: 3 hrs – 5 hrs
No direct interaction data available between these substances. This does not mean the combination is safe.