At a Glance
Dosage
insufflated
| Level | Caffeine | 2-FMA |
|---|---|---|
| Threshold | 2.5 mg | 5 mg |
| Light | 10–25 mg | 5–15 mg |
| Common | 25–40 mg | 15–30 mg |
| Strong | 40–80 mg | 30–50 mg |
| Heavy | 80 mg | 50 mg |
oral
| Level | Caffeine | 2-FMA |
|---|---|---|
| Threshold | 10 mg | 5 mg |
Duration
insufflated
Caffeine
insufflated
Offset
Afterglow
Onset: 30 sec – 2 minCome Up: 30 sec – 2 minPeak: 30 min – 1 hrsOffset: 6 hrs – 10 hrsAfterglow: 6 hrs – 24 hrs
Total: 1 hrs – 2.5 hrs
2-FMA
insufflated
Effects
Safety
Interaction: Caffeine + 2-FMA
Uncertain
Caffeine — Dangerous Interactions
2-FMA — Dangerous Interactions
Frequently Asked Questions
What is the difference between Caffeine and 2-FMA?
Caffeine is classified as a Stimulants (Xanthines) while 2-FMA is classified as a Stimulants (Amphetamine, Substituted amphetamines). They share 24 effects in common, with 6 effects unique to Caffeine and 13 unique to 2-FMA.
Is it safe to combine Caffeine and 2-FMA?
The interaction between Caffeine and 2-FMA is classified as "Uncertain". Always research interactions thoroughly before combining any substances.
Which is stronger, Caffeine or 2-FMA?
At common doses via insufflated, Caffeine is typically dosed at 25–40 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.