2-FMA, a Stimulants, and 3-FMA, a Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. 2-FMA is classified as a Stimulants while 3-FMA is a Entactogen, Stimulants, meaning they approach altered states through different pharmacological mechanisms. They share 6 documented effects in common, with 45 effects unique to 2-FMA and 2 unique to 3-FMA. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Effects | 51 documented | 8 documented |
| Interaction | Caution | |
| Level | 2-FMA | 3-FMA |
|---|---|---|
| Threshold | 5 mg | 5 mg |
| Light | 5–15 mg | 10–20 mg |
| Common | 15–30 mg | 20–35 mg |
| Strong | 30–50 mg | 35–50 mg |
| Heavy | 50 mg | 50 mg |
| Level | Dose |
|---|---|
| Threshold | 5 mg |
| Light | 5–15 mg |
| Common | 15–30 mg |
| Strong | 30–50 mg |
| Heavy | 50 mg |
2-FMA
3-FMA
Increased cardiovascular strain and neurotoxicity risk
