Start low and go slow. Start with a really small amount. Wait at least an hour before deciding whether or not to take more.
If you snort, chop powders finely first.
Don’t inject, but if you do, don’t share works with other people.
Only use one drug at a time – mixing with other drugs can have unpleasant and dangerous side effects.
Don’t use alone – do it with other people you trust and choose a safe environment in which to use.
If you are using an NPS like Mephedrone for sex, remember to carry and use condoms.