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Support with
chemsex

quitting chemsex

Unfortunately, Mainline is closing down. For information and advice on chemsex or support with chemsex-related issues, we will remain available until 26 June. Or order our newly released Chemsex magazine, packed with tips.

As of the end of March 2026, we have stopped holding our chemsex meetings. The chemsex team will, however, remain available to provide individual information, advice and support to people who want to start with chemsex, are currently doing it and seeking self-control, or want to stop and are in recovery. We are available from Monday to Thursday between 10am and 5pm. Would you like to make an appointment? Send an email to chemsex@mainline.nl or text Leon: 06 – 111 633 41. We will remain available until 26 June 2026.

Would you like to receive the recently published Chemsex magazine? Please email info@mainline.nl.

Meetings

Meetings in Dutch

De groepsbijeenkomsten zijn opgeschort. Zodra we horen wie deze meetings overneemt, lees je erover op deze website.

Meetings in English

The group meetings have been suspended. As soon as we find out who will be taking over these meetings, you will be able to read about it on this website.


The chemsex team

Are you looking for support, information, advice, or help regarding chemsex? Our chemsex team is here for you. We offer individual consultations, information, advice and can refer you to appropriate help if necessary. 

Please do not hesitate to contact us. You can reach our chemsex team via email at chemsex@mainline.nl. Or contact us by phone at any of the numbers below. We can also be reached on Whatsapp.  

Leon: 06 11 16 33 41

Get in contact with Leon Knoops
l.knoops@mainline.nl

Want to know more about chemsex?