Description
Arimidyn 0.5 mg Driada Medical — Effective estrogen management is the difference between a successful steroid cycle and one plagued by water retention, gynecomastia, and fat gain. Anastrozole provides that management with pharmaceutical precision, reducing estradiol levels in a dose-dependent manner while maintaining enough estrogen for cardiovascular and joint health. This formulation is dosed at 0.5 mg per unit.
Key Benefits
- Aromatase inhibitor — blocks oestrogen synthesis at the source
- Standard on-cycle AI for testosterone-based protocols
- Low dose (0.25–0.5 mg EOD) typically sufficient for 400–500 mg test
- Dose by bloodwork — sensitive E2 assay, target 20–40 pg/mL
- Crashing E2 feels worse than mildly elevated E2 — err on the low side
- Each unit dosed at 0.5 mg — see Recommended Dosage below for protocol-specific intake
Recommended Dosage
Research dosing: 0.25–0.5 mg every other day on testosterone-based cycles. Titrate to bloodwork (sensitive E2 assay, target 20–40 pg/mL). Higher doses required only on aggressive 700+ mg/week test protocols. During PCT: not used (blocks oestrogen needed for LH signalling).
How It Works
Non-steroidal aromatase inhibitor. Binds and inactivates the aromatase enzyme (CYP19A1) that converts testosterone and androstenedione to estradiol and estrone. Reversible binding — effect disappears within days of stopping.
Pharmacokinetics
Plasma half-life approximately 50 hours. Every-other-day dosing produces stable serum and tissue levels. Steady-state in 7 days.
Cycle & Stacking Guide
Used on-cycle with aromatising compounds (testosterone, methandienone, oxymetholone). Start at 0.25 mg EOD, bloodwork at week 4, adjust. Never used during PCT — needed estrogen signalling for LH/FSH recovery.
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; batch COAs available through the distributor.
Storage & Handling
Store at recommended temperature (15–25°C; peptides and HGH at 2–8°C after reconstitution). Protect from light and moisture. Keep out of reach of children. For research and educational purposes only.





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