/testing.trans.diy/vendors
Suppliers
Sources of DIY compounds tested by this site. Each supplier receives a status rating based on the consistency of their product's test results.
Aurelia LabsVERIFIEDaureliahrt.com
Offers free HRT.
tests: 0
Open Gate LabsVERIFIEDopengatelabs.com
Trusted and verified US based homebrewer. Coupon code stop-injecting-40-pct-benzyl-benzoate gives 15% off.
tests: 2passed: 2avg assay: 100.34%last tested: Apr 21, 2026
Symphony LabsVERIFIEDsymphonylabs.cc
Symphony Labs is a US based Estradiol Homebrewer.
tests: 1passed: 1avg assay: 100.78%last tested: Apr 21, 2026
AstrovialsTESTING IN PROGRESSastrovials.com
A long EU supplier of Estradiol.
tests: 1passed: 1avg assay: 96.9%last tested: Aug 31, 2023
EstrapenTESTING IN PROGRESSestrapen.com
Sells auto-injector pens and cartridges for said pens
tests: 0
Hera HRTTESTING IN PROGRESSherahrt.com
Hera HRT is a US-based vendor that has existed since mid-2025. They are generally trusted.
tests: 0
SerapharmaNEWserapharma.net
Serapharma is a new lab based out of Germany that has served as a local homebrewer in their area since 2022. Recently they have expanded to selling online.
tests: 0
Dragon OrdnanceUNVERIFIEDdragonordnance.com
Supplies raw hormone powders for homebrewing.
tests: 0