4-FA

4-FA has a stimulating effect on the central nervous system. In addition, there is a release of serotonin, which gives the effect an emotional, entactogenic component. The effect is described as a mixture of the effects of amphetamine and MDMA, but less intense. Further, it has performance-enhancing and mood-enhancing to euphoric effects. A suppression of hunger, thirst and fatigue as well as nausea is also reported. One has clear thoughts, reflects a lot and has a strong urge to communicate.

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Onset of action:
Swallowed: 30-75 minutes
Snorted: 5-10 minutes‍

Duration of action:
Swallowed: 5-8 hours
Snorted: 3-5 hours

Swallowed
Light: 40-100 mg
Medium: 100-130 mg
Heavy: 130-150 mg

Snorted
Light: 10-30 mg
Medium: 30-70 mg
Heavy: 70-100 mg

Caution: the substance irritates the eyes, respiratory tract, skin and mucous membranes and should therefore be swallowed. The nasal mucous membranes become very irritated during a cold and can continue to burn unpleasantly even days later.‍

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Forms of appearance
Powder or crystals, rarely in pill or capsule form.

Compared to other amphetamine derivatives and amphetamine-like substances, the increase in body temperature and activation of the chewing muscles (teeth grinding) do not seem to be as pronounced. Overdoses may cause headaches, moodiness, balance disorders, and sweating. Furthermore, panic attacks and anxiety up to paranoia are possible, and temporary hearing loss may also occur. Kidney/liver pain and discolored (brown) urine and yellowish skin have also been reported. In rare cases, epileptic seizures may occur. Some users report that headaches, circulatory problems, and depressive moods may occur in the days following consumption.

4-FA is a new psychoactive substance. To date, nothing is known about the exact mechanisms of action, toxicity and possible long-term effects. The current state of knowledge is based almost exclusively on reports from users.

• There is little knowledge about new psychoactive substances. When you use them, you are exposing yourself to unknown risks. Have the substance analyzed in a drug checking. If this is not possible and you still want to use, then feel your way to the desired dose with small amounts.

• If you decide to use, be as informed as possible about the specific substance and the appropriate dosage - pay attention to your basic mood and the environment in which you use (set and setting), even with NPS.

• Do not buy a product with a fancy name without declaring the ingredient. Legal does not mean harmless.

• Inform your friends about what and how much you have consumed.

• Drink enough non-alcoholic beverages and get some fresh air in between.

• Accept when the effect runs out, don't add to it right away.

• Refrain from mixed consumption, as interactions are dangerous and unexplored.

• Take regular breaks from consumption.

• People with high blood pressure, heart problems, hyperthyroidism, liver and kidney disease, or circulatory problems should not take New Psychoactive Substances.