Changelog

This page tracks updates and additions to the guide.

December 23, 2025

Initial Release

Published complete TRT guide with 19 chapters covering:
- Testosterone biology and the HPG axis
- Testing and diagnosis
- TRT delivery methods and injection techniques
- Fertility preservation
- Estrogen management
- Exercise and training considerations
- Long-term monitoring
- Myths and misconceptions
- Practical checklists
- Finding a good TRT doctor - Types of providers, telemedicine clinics, questions to ask, and US telehealth regulations (Ryan Haight Act, DEA flexibilities through 2025, state variations)