4-FA, a Entactogen, Stimulants, and 4-MMC, a Stimulant, Entactogen, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. 4-FA is classified as a Entactogen, Stimulants while 4-MMC is a Stimulant, Entactogen, meaning they approach altered states through different pharmacological mechanisms. They share 18 documented effects in common, with 37 effects unique to 4-FA and 14 unique to 4-MMC. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Effects | 55 documented | 32 documented |
| Interaction | Caution | |
| Level | 4-FA | 4-MMC |
|---|---|---|
| Threshold | 40 mg | 50 mg |
| Light | 40–100 mg | 75–100 mg |
| Common | 100–130 mg | 100–200 mg |
| Strong | 130–150 mg | 200–300 mg |
| Heavy | 150 mg | 300 mg |
| Level | Dose |
|---|---|
| Threshold | 5 mg |
| Light | 15–45 mg |
| Common | 45–80 mg |
| Strong | 80–125 mg |
| Heavy | 125 mg |
4-FA
4-MMC
Increased cardiovascular strain and neurotoxicity risk
