Description
Testosterone Cypionate, Driada Medical, 250 mg. Eight-day ester; once-weekly injection is the typical schedule, twice-weekly for tighter dose control. Interchangeable with enanthate in almost every cycle design. Clinically documented across decades of TRT use.
Key Benefits
- Functionally equivalent to testosterone enanthate at the receptor level
- Slightly longer ester — weekly pinning produces flatter plasma curves
- US-market standard for TRT and performance use
- Full aromatisation — AI on hand from day one
- Foundation compound for every common stack protocol
- Each unit dosed at 250 mg — see Recommended Dosage below for protocol-specific intake
Recommended Dosage
Research dosing: TRT 100–200 mg/week; first cycle 400–500 mg/week; intermediate 500–600 mg/week; advanced 700+ mg/week. Split across 2 injections per week even though once-weekly is pharmacokinetically acceptable — flatter plasma smooths E2 management.
How It Works
Testosterone esterified to cyclopentanepropionic acid. Plasma esterases cleave the ester, releasing free testosterone to bind the AR across muscle, bone, and CNS. Functionally identical to enanthate in biological activity; ester difference affects only release kinetics.
Pharmacokinetics
Plasma half-life approximately 8 days. Once-weekly acceptable but produces a ~2× peak-trough swing; twice-weekly preferred. Steady-state at week 4–6. Clearance slower than enanthate — PCT begins 14 days after last pin.
Potential Side Effects
Standard testosterone side-effect profile: oestrogenic (manageable with AI), androgenic (genotype-dependent), HPTA suppression (universal). Hematocrit rise common above 500 mg/week — pull CBC mid-cycle.
Cycle & Stacking Guide
Cycle base, 12–16 weeks. Stack as with enanthate: deca/anadrol (mass), primobolan/boldenone (lean-gain), trenbolone/masteron (cutting). PCT at day 14 post-last-injection with Clomid 50mg + Nolva 20mg for 4 weeks.
Manufacturer Notes
Driada Medical positions itself at the affordable end of the market while maintaining third-party lab verification. Their vial caps carry a tamper-seal date code.
Storage & Handling
Store upright at 15–25 °C in the original box, protected from light and moisture. Oil-based injectables are shelf-stable for the duration printed on the vial when kept at controlled room temperature. Do not refrigerate — cold thickens the carrier oil and makes drawing/injecting harder. Keep out of reach of children. For research and educational purposes only.
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