At a Glance
Dosage
insufflated
| Level | 4F-MPH | 2-FMA |
|---|---|---|
| Threshold | 5 mg | 5 mg |
| Light | 5–8 mg | 5–15 mg |
| Common | 8–14 mg | 15–30 mg |
| Strong | 14–20 mg | 30–50 mg |
| Heavy | 20 mg | 50 mg |
oral
| Level | 4F-MPH | 2-FMA |
|---|---|---|
| Threshold | 5 mg | 5 mg |
Duration
insufflated
4F-MPH
insufflated
Total: 3 hrs – 6 hrsPeak
Offset
Afterglow
Onset10 min – 30 min
Peak1 hrs – 2 hrs
Offset1 hrs – 2 hrs
Afterglow4 hrs – 8 hrs
2-FMA
Effects
Safety
Interaction: 4F-MPH + 2-FMA
No direct interaction data available between these substances. This does not mean the combination is safe.
4F-MPH — Dangerous Interactions
2-FMA — Dangerous Interactions
Frequently Asked Questions
What is the difference between 4F-MPH and 2-FMA?
4F-MPH is classified as a Stimulants (Substituted phenidates) while 2-FMA is classified as a Stimulants (Amphetamine, Substituted amphetamines). They share 31 effects in common, with 8 effects unique to 4F-MPH and 20 unique to 2-FMA.
Is it safe to combine 4F-MPH and 2-FMA?
There is no direct interaction data available for combining 4F-MPH and 2-FMA. This does not mean the combination is safe. Always exercise caution and research thoroughly.
Which is stronger, 4F-MPH or 2-FMA?
At common doses via insufflated, 4F-MPH is typically dosed at 8–14 mg while 2-FMA is dosed at 15–30 mg. However, "stronger" depends on context — potency, subjective intensity, and duration all factor in. These substances have different pharmacological profiles and comparing raw potency is not straightforward.