active substance:
effective entry:
effective duration:
order unit:
20 – 30 minutes
4 – 5 hours
1 gram


4-Fluoromethamphetamine (also known as 4-FMA) is a lesser-known novel stimulant-entactogen substance of the amphetamine class. 4-FMA is chemically related to 4-FA and methamphetamine.

Form and quantity per Orderunit

1000 milligrams of powder, pure substance with a purity of at least 98 % per order unit.

Subjective effects

Similar to MDA, MDMA, 4-FA, and other substances that produce pleasurable tactile “roll”-like sensations, which is linked to serotonin-releasing properties, 4-FMA has been reported to be able to produce similar entactogenic effects in addition to traditional stimulant ones.

Routes of Administration

oral: 50 – 150 milligrams. This product is intended for forensic and research applications only.

Storage and durability

Always store the product below 30 degrees Celsius (86 degrees Fahrenheit) and in the original packaging. Keep away from direct sunlight and moisture. The shelf life of the active ingredient is at least 1 year when properly stored.