The Loop

We have launched Test & Know, our fundraising campaign to help us expand our testing across the UK. We are asking for a donation of £12 - the cost of testing one substance in our mobile labs. wearetheloop.org/test-and-know

On Saturday, we are #drugchecking in #Bristol. How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Want to deepen your understanding of ketamine beyond the basics? Join The Loop for an above-entry-level course informed by frontline experience of drug use, drug markets and harm reduction, including discussion of acute and chronic risks. Book: tinyurl.com/yhtc62e9

The Loop London drug checking service tested an orange Trump pill: the acquisition intent of the surrendered pill was MDMA and testing found that the pill contained 4-CMC, caffeine and MDMA. Be cautious when redosing: taking more may increase the risk of unwanted effects.

Want to deepen your understanding of MDMA beyond the basics? Join The Loop for an above-entry-level course informed by frontline experience of drug use, drug markets and harm reduction. 20 Oct / 18:00-21:30 BST / £34 Book: tinyurl.com/yvprn5ze

On Saturday, we are drug checking in #Hackney. How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Our testing has continued across events in 2026. We can see considerable variation in strength, which is consistently seen across other pill presses and reinforces the value of drug testing, as appearance alone cannot indicate strength. #GoSlowStayLow #TakeQuarterSipWater @drugscience.bsky.social

Sharing this latest warning from #TEDI Network, of which The Loop is a member. PMMA has been detected in pills sold as MDMA across 7 European countries. Our UK drug checking and testing continues to monitor substances of concern here. More: tedinetwork.org/warnings @drugscience.bsky.social

This Saturday, we are drug checking in #Camden How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Want to better understand chemsex, sexualised drug use and associated harms? Join a training informed by frontline experience across drug use, sexual health and harm reduction, with practical support for people working where sex and drug use intersect. ➡️https://tinyurl.com/yc4e7zr6

This Thursday, we are drug checking in #Ealing How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Watch Prof Fiona Measham, founder of The Loop, in her recent full BBC Breakfast interview on synthetic opioids, drug adulteration and emerging risks in the UK drug market. @fmeasham.bsky.social

The Loop welcomes the next step for drug checking in Scotland, with Glasgow’s first service due to open on 5 October. We look forward to working with colleagues in Glasgow and Wales as the UK drug checking network continues to grow.

We joined BDP’s The Drop at Bristol Freshers Week, speaking with students about drug checking and harm reduction. Our Bristol service is back Sat 26 Sept, 12–8pm, last surrender 7pm. wearetheloop.org/drug-checking

On Saturday, we are drug checking in #Bristol How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Founder Prof Fiona Measham joined BBC Breakfast this morning, calling for greater access to drug checking, post-mortem testing and naloxone in response to growing concerns around synthetic opioids in the UK drug market. Watch from 1:26:45: bbc.co.uk/iplayer/epis... @fmeasham.bsky.social

Join The Loop on 23 Sept for training exploring rapidly evolving drug trends in depth, including current UK and international drug market data, effects, risks and harm reduction approaches. Book via Eventbrite: tinyurl.com/4c6xh7vu

On Saturday, we are drug checking in #Hackney. How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Love this! Thank you to the Rave Safe OAPs for printing & distributing @theloopuk.bsky.social materials @boomtownfair.bsky.social without us even knowing! ♾️💜♾️

What’s changing in the UK drug market in 2026? Join The Loop online on 15 Sept for evidence on current trends, price & purity, published drug checking findings, novel synthetic opioids, high-strength MDMA and more. Book via Eventbrite: tinyurl.com/yvprn5ze @dsdp.ca @deppjournal.bsky.social

This Saturday, we are drug checking in #Camden How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

This Thursday, we are drug checking in #Ealing How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Important alert from Trimbos Institute: a two-colour Trump ecstasy pill containing a life-threatening amount of PMMA has been identified in the Netherlands. Please see the alert below for details and harm reduction information.

On Saturday, we are drug checking in #Bristol How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Great to see Rave Safe OAPs handing out Loop drug harm reduction infographic flyers at Boomtown 2026! Get the full res files on our website: wearetheloop.org/posters-info...

The Loop will be at Boomtown 2026! Find us by Safer Spaces, Pepperpot Market for anonymous, non-judgemental harm reduction info. Thu 10:30: Prof @fmeasham.bsky.social at Reel News. Fri 11:30: Drug Testing & Safety at The Observatory. See our researchers? Say hi + take our Festival Survey ∞

On Saturday we are drug checking in #Hackney. How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Two new harm reduction infographics are now available from The Loop: MDMA Pill Update – 2026 and Crush. Dab. Wait. Download, share and print both from our Harm Reduction Information page: wearetheloop.org/posters-info... @boomtownfestival.bsky.social @harmreductionintl.bsky.social

This Thursday, we are drug checking in #Ealing How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

This Saturday, we are drug checking in #Camden How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking

Happy 10th birthday to #drugchecking in the UK! Drug checking has grown from 1 festival field to 4 Home Office-licensed city drug checking services by @theloopuk.bsky.social & more opening this year. Thank you to all supporters, staff, stakeholders & especially The Loop’s amazing volunteers. ♾️💜♾️

Thank you to @whatareyou0n.bsky.social for a lovely piece reflecting on the 1st drug checking service in the UK which launched 10 years ago this week. Interviews with the people who were there including @steverolles.bsky.social, Henry Fisher & Freddie Fellowes. What a weekend! ♾️💜♾️

The link to @whatareyou0n.bsky.social’s July 2016 Vice article from the only journalist onsite with @theloopuk.bsky.social that weekend in Cambridgeshire:- www.vice.com/en/article/d...

On Saturday, we are drug checking in #Bristol How does it work? 1. Surrender a substance 2. Tell us what you think it is & about your drug use 3. We do lab tests inc. a test for synthetic opioids 4. After ~1 hour, we have results & can give honest advice wearetheloop.org/drug-checking