3-FPM, a Stimulants, and 4-BMC, a Stimulants, Entactogen, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. 3-FPM is classified as a Stimulants while 4-BMC is a Stimulants, Entactogen, meaning they approach altered states through different pharmacological mechanisms. They share 8 documented effects in common, with 26 effects unique to 3-FPM and 4 unique to 4-BMC. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Effects | 34 documented | 12 documented |
| Level | 3-FPM | 4-BMC |
|---|---|---|
| Threshold | 5 mg | 25 mg |
| Light | 10–20 mg | 25–50 mg |
| Common | 20–35 mg | 50–100 mg |
| Strong | 35–50 mg | 100–150 mg |
| Heavy | — mg | 200 mg |
| Level | 3-FPM | 4-BMC |
|---|---|---|
| Threshold | 10 mg | 50 mg |
| Light | 10–30 mg | 50–100 mg |
| Common | 30–60 mg | 100–175 mg |
| Strong | 60–90 mg | 175–250 mg |
| Heavy | 90 mg | 300 mg |
3-FPM
4-BMC
3-FPM
4-BMC
No direct interaction data available between these substances. This does not mean the combination is safe.
No dangerous interactions recorded.