Tool
Supplement comparison tool
Pick up to 4 knowledge base entries and compare their dosage, price, evidence strength and ratings side by side — you can save or share a link to your selection.
Add to comparison (2/4)
| Category | TRT | TRT |
| Evidence strength | Moderate evidence | Strong evidence |
| Evidence Score | 3/5 | 5/5 |
| User rating | 4.5 (62) | 4.7 (102) |
| Typical dose | Not applicable — this entry describes how to interpret a test result, not a dosing schedule | Not applicable — this entry describes a safety protocol, not therapy dosing |
| Form | Blood test: estradiol, ideally by high-sensitivity LC-MS/MS for borderline or unclear results, or when an intervention is being planned | Monitoring: complete blood count with hematocrit every 3–6 months in the first year, PSA and digital rectal exam before starting and periodically thereafter, lipid panel once a year |
| Average price | — | — |
| Monthly cost | — | — |
| Time to effects | Not applicable in a therapeutic sense — this is an entry about interpreting a test result. The estradiol result itself typically stabilizes 4–8 weeks after a stable testosterone dose is established. | Not applicable — monitoring is an ongoing process that continues throughout the entire course of therapy. |
| Who it's for | Men on TRT who got an estradiol result and don't know how to interpret it | All patients starting or continuing TRT |