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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.
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| Category | TRT | TRT |
| Evidence strength | Moderate evidence | Strong evidence |
| Evidence Score | 3/5 | 5/5 |
| User rating | 4.4 (51) | 4.7 (102) |
| Typical dose | Low doses, usually 250–500 IU every other day or 2–3 times a week, as part of a TRT protocol | Not applicable — this entry describes a safety protocol, not therapy dosing |
| Form | Subcutaneous or intramuscular injections | 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 | Maintenance of testicular volume and intratesticular testosterone is observed with continuous use alongside TRT; in protocols aimed at restoring spermatogenesis, a full assessment of response typically takes many months — in one meta-analysis the median was 18 months. | Not applicable — monitoring is an ongoing process that continues throughout the entire course of therapy. |
| Who it's for | Men on TRT planning to preserve fertility | All patients starting or continuing TRT |