Description
Anastrozol 1 mg Swiss Pharmaceuticals — As a third-generation aromatase inhibitor, Anastrozole offers advantages over both first-generation AIs and SERMs: faster onset of action, more predictable dose-response, and selective inhibition that preserves beneficial estrogenic activity in bone and cardiovascular tissue. This formulation is dosed at 1 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 1 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.
Potential Side Effects
Primary risk: crashed E2 — joint pain, low libido, lethargy, brain fog. If these appear, drop dose immediately. Lipid impact modest. No hepatic toxicity.
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
Swiss Pharmaceuticals is a research-compound producer with published batch QC data. Vials ship with tamper-evident caps and date-coded labels.
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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