Ships from our US Domestic Warehouse — 2–4 business days. No customs clearance required.
≥99%
Verified Purity
2
Days to USA
COA
On Every Order
Why Researchers in USA Order Proviron (Mesterolone) from QSC
QSC maintains a dedicated US Domestic Warehouse — your order ships with full tracking, no import delays and no customs fees. Every unit of Proviron (Mesterolone) (Oral Androgen / SHBG Binder) is verified at ≥99% purity by HPLC and mass spectrometry, and ships with a Certificate of Analysis independently verifiable via the Janoshik portal. Typical delivery to USA: 2–4 business days.
Shipping Details for USA
Warehouse
US Domestic Warehouse
Delivery Time
2–4 business days
Customs
No customs clearance required.
Tracking
Full tracking provided via email after dispatch
Payment
Bitcoin (BTC) or USDT ERC-20
Proviron (Mesterolone): Research Background
Class: Oral Androgen / SHBG Binder
Mechanism: Mesterolone is a 1-methylated DHT derivative with high AR affinity but very poor myotropic activity due to high 3α-HSD reduction in muscle. Primary pharmacological activity: SHBG displacement (frees bound testosterone) and weak aromatase inhibition.
Research Applications: SHBG displacement research, free testosterone elevation models, mild anti-oestrogenic activity, androgen receptor binding without myotropic confound.
Quality Verification
Every QSC Proviron (Mesterolone) batch undergoes: HPLC purity analysis (≥99% specification) · Mass spectrometry molecular verification · Impurity profiling · Batch traceability to published COA.
Researchers studying Proviron (Mesterolone) frequently also investigate: Testosterone, Winstrol, Arimidex, Clomid. View the full QSC catalog →
Frequently Asked Questions
Is Proviron (Mesterolone) legal to buy in USA?
Proviron (Mesterolone) is sold strictly for laboratory research purposes only. Researchers in USA are responsible for understanding applicable local regulations.
How long does shipping to USA take?
Orders ship from the US Domestic Warehouse. Typical delivery to USA: 2–4 business days. No customs clearance required.
How is Proviron (Mesterolone) purity verified?
HPLC purity analysis, mass spectrometry molecular verification, and impurity profiling on every batch. COA published on product page, verifiable via Janoshik portal.
What formats of Proviron (Mesterolone) are available?
QSC stocks Proviron (Mesterolone) in Tablets format. View current options and pricing via the button below.
