What are the effects of taking MDMA? MDMA starts to work about 20 minutes after it is taken. The effects usually last for 3 to 4 hours. It can make people feel: euphoric energetic confident very affectionate towards others What can go wrong with MDMA? Coming down after taking MDMA can make users: irritable anxious paranoid have trouble sleeping and concentrating MDMA use can also cause a ‘hangover effect’, where for days after use people can experience: reduced appetite disturbed sleep muscle ache problems with concentration depression Disclaimer: Please be aware that this product may not ship immediately away, as orders must first go through processing. Your processing time may increase by roughly 1-2 business days, though it could take longer. Instructions: Store is a dry location. Warning: Make certain that no children, pets, pregnant or nursing women eat or have access to this product. Do not take this product while on medications, and stop immediately if you experience adverse effects.