Over the past year, staff working in Australia’s needle and syringe programs have noticed something unusual.Thin-tipped needles, typically used for injecting heroin and methamphetamine in a vein, are being requested by a new kind of injector. They’re also taking a new kind of drug: peptides.How did an experimental medicine still moving through clinical trials end up in needles made for injecting into a vein?To answer that question, I followed the journey of a vial of retatrutide. ➡️ Read the full interactive story hereTimothy Piatkowski receives funding from National Health and Medical Research Council, Queensland Mental Health Commission, Queensland Injectors Health Network, and Hyphen Health. He is affiliated with Queensland Injectors Voice for Advocacy and Action (Vice Chair), The Loop Australia (Research Lead - QLD), and The Enhanced Games (Performance Enhancement Task Force). He is a co-founder of Safe Pulse a charity focused on harm reduction for individuals who use human enhancement drugs.