How long the effects last and the drug stays in your system depends on how much you’ve taken, your size, whether you’ve eaten and what other drugs you may have also taken.

How Long GHB Take to Kick in

It can take from 10 minutes to an hour for GHB or GBL to take effect. You should always wait for at least two hours before taking another dose. Overdosing on GHB and GBL is very easy to do.

How long the Effects of GHB lasts

The effects can last for seveal hours.

How long will GHB be detectable?

How long a drug can be detected for depends on how much is taken and which testing kit is used. This is only a general guide.

GHB and GBL will typically show up in a urine sample for 24 hours afterwards.

How long a drug can be detected for depends on how much is taken and which testing kit is used. This is only a general guide.