TRT Guides
TRT-focused guides for injection schedule consistency, site rotation records, and follow-up prep.
- 12 min readTestosterone Dose Calculator: mg to mL for TRTConvert your prescribed testosterone dose from mg to mL and insulin syringe units, with split-dose math for 1 to 7 injections a week.
- 11 min readTRT Bloodwork Guide: Peak, Trough, and Estradiol Timing — 10 Labs ExplainedTRT bloodwork timing explained: when to draw at trough vs peak, which 10 labs to request, how to read estradiol and hematocrit, and what to do when numbers drift out of range.
- 11 min readHow to Inject Testosterone: Step-by-Step Self-Injection GuideHow to inject testosterone correctly: drawing the dose, choosing a site, injecting subcutaneously or intramuscularly, and avoiding the mistakes that bruise, leak, or hurt.
- 11 min readTRT Injection Log and Site Rotation: The Complete Tracking GuideLearn how to track TRT injections with a site rotation schedule, dose log, and bloodwork tracker. A practical guide to managing your testosterone replacement therapy protocol.
- 11 min readSubQ vs IM Testosterone Injections: Complete ComparisonSubcutaneous vs intramuscular testosterone injections compared: needle size, absorption, pain, injection sites, clinical evidence, and how to track both methods with a site rotation system.
- 9 min readTestosterone Cypionate Half-Life GuideTestosterone cypionate half-life explained: 8-day pharmacokinetics, peak and trough timing, weekly vs split dosing, blood level curves, and when to time labs.
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