Quick reference: Same as Depo-Testosterone (50 to 200 mg every 7 to 14 days IM or SC). Cost is meaningfully lower than the branded product.
Fast facts
Active
Testosterone Cypionate
Maker
503A / 503B pharmacies
FDA Approval
Not approved as finished product
Half-life
~8 days
Form
Multidose oil vial. Standard ASCEND reference reconstitution: 200 mg/mL or 250 mg/mL grapeseed or MCT oil vehicle.
Indication
Not a finished FDA-approved drug; produced by 503A or 503B compounding pharmacies under physician prescription
Dose schedule
Same as Depo-Testosterone (50 to 200 mg every 7 to 14 days IM or SC). Cost is meaningfully lower than the branded product.
Recommended monitoring
Same monitoring panel as Depo-Testosterone. Verify Certificate of Analysis from the compounding pharmacy at each refill.
Clinical notes
Most widely prescribed compound form in the US TRT market. Concentration is often higher than the 100 mg/mL Pfizer branded product (commonly 200 mg/mL), so check the label carefully when calculating draw volume.
Controlled substance. Testosterone esters are Schedule III in the United States. A valid prescription from a DEA-registered prescriber is required. This page is research informational reference only.
Compound product. Compound Testosterone Cypionate is not a finished FDA-approved drug. Verify the Certificate of Analysis from the supplying 503A or 503B pharmacy at each refill.
What is the typical dose schedule for Compound Testosterone Cypionate?
Same as Depo-Testosterone (50 to 200 mg every 7 to 14 days IM or SC). Cost is meaningfully lower than the branded product.
What is the half-life of Testosterone Cypionate?
Compound Testosterone Cypionate has a half-life of approximately ~8 days. Steady-state plasma levels are reached after roughly four to six half-lives of consistent dosing.
What monitoring labs are recommended on Compound Testosterone Cypionate?
Same monitoring panel as Depo-Testosterone. Verify Certificate of Analysis from the compounding pharmacy at each refill.
What is the difference between compound and branded testosterone cypionate?
Compounded testosterone cypionate contains the same active ester as branded products but is produced by a 503A or 503B pharmacy under physician prescription rather than a finished-drug manufacturer. Concentration commonly differs (compound is often 200 mg/mL vs branded 100 mg/mL), so always verify the label when calculating draw volume.
Is Compound Testosterone Cypionate a controlled substance?
Yes. Testosterone and its esters are Schedule III controlled substances in the United States. A valid prescription from a DEA-registered prescriber is required to obtain Compound Testosterone Cypionate legally. State-level regulations may impose additional restrictions.
For research informational use only. Not medical advice. Compound Testosterone Cypionate is compounded by 503A or 503B pharmacies and is not an FDA-approved finished drug product. Consult a qualified healthcare provider before any clinical decision. ASCEND, ascendpeptide.org