This may be that I'm living under a rock, but I've found out recently there is an initiative to test DIY HRT sources 🔗HRT Source Testing
HRT Source Testing — Trans Harm Reduction
Trans harm reduction has recently begun testing HRT sources which are commonly used by trans people who are self-medicating. This involves testing a vial of HRT for concentration (strength) and testing for contamination (impurities).Trans Harm Reduction