Compound library / Hormone Replacement
Long-acting injectable testosterone ester used for hypogonadism/TRT and, off-label, performance purposes. Not a peptide — a steroid hormone — but tracked here alongside peptide protocols since it's commonly cycled together.
| Category | Hormone Replacement |
|---|---|
| Typical route | Intramuscular |
| Half-life | ~8 days |
| Common dose range | 50-200 mg/week (TRT range), titrated to labs |
| Typical cycle length | Ongoing under medical supervision (TRT) or defined cycles |
BioHack Track models Testosterone Cypionate at a half-life of 192 hours, so every dose you log is decayed against that curve and the app shows what is still circulating — not just what you typed.
Supplied pre-mixed in oil; no reconstitution needed, but warm/roll vial before drawing.
Store at room temperature, away from light.
Prescription medication in the US for diagnosed hypogonadism. Requires regular bloodwork (testosterone, hematocrit, lipids, PSA); off-label/non-prescribed use carries cardiovascular and HPTA-suppression risks.
Track Testosterone Cypionate in BioHack Track. Half-life, dose range and route come pre-filled from this library — log a dose and the app counts your vial down, models what is in your system, and puts it on the same chart as your labs and body composition.
These open a search of each database for Testosterone Cypionate — they are not citations, and nothing here is evidence for any particular dose. The same links are in the app.
General reference compiled for use inside the app, not medical advice and not a recommendation to take anything. Dose ranges are what is commonly discussed, not a prescription. Talk to a qualified healthcare professional.