PMMA, a Entactogen, and 4-FMA, a Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. PMMA is classified as a Entactogen while 4-FMA is a Entactogen, Stimulants, meaning they approach altered states through different pharmacological mechanisms. They share 6 documented effects in common, with 22 effects unique to PMMA and 3 unique to 4-FMA. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Level | PMMA | 4-FMA |
|---|---|---|
| Threshold | — mg | 10 mg |
| Light | — mg | 25–50 mg |
| Common | 100–120 mg | 50–75 mg |
| Strong | — mg | 100–125 mg |
| Heavy | — mg | 125 mg |
PMMA
4-FMA
No direct interaction data available between these substances. This does not mean the combination is safe.