or a small (50 kg, 110 lb) person, 50 mg is likely to have mild but clearly felt effects. 75 mg will likely produce a somewhat strong (but usually not overwhelming) experience. 100 mg might produce a quite intense experience.

For a more ‘medium’ sized person (70 kg, 155 lbs) 70 mg will likely give a mild experience, while 105 mg will likely give a moderately strong experience, and 140 mg is likely to give an intense experience.

For a large person (100 kg, 220 lbs), 100 mg might only by a mild experience, while 150 mg will probably give a moderately strong experience, and 200 mg is likely to be pretty intense.

If you’re new to MDMA, it’s best to start with a lower dose until you know how you respond to it.

Measuring out drugs in such small dosages can be a real challenge. Small, inexpensive, milligram scales (often sold for jewelry/gemstones) are easy to find. Another option is if you have a gram of MDMA powder, you can dilute it into water and then measure the water to dose. For instance, dissolving that 1 gram of MDMA into 1 liter of water will give you a dose of 1 mg per ml. So, if you wanted to take 120 mg, you could then measure out 120 milliliters of the water and drink that. (Sorry about the taste. Yes, it’s nasty.)

As always, keep in mind that your brain needs time to recover! For most people, use should be limited to once a month or less. (But again, people vary. Some people seem OK with once a week use, while for others even once a month adds up and causes problems with mood, concentration, etc.)