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Zyvex Pharmaceuticals
Zyvex Pharmaceuticals Masteron Propionate 100 and Enanthate 200
Injection · 100 mg/ml · 10 ml
Out of stock
$69.00
Zyvex Pharmaceuticals Masteron is drostanolone, a DHT-derived injectable that does not aromatise, offered in a fast propionate and a slow enanthate ester. Available for purchase in the following variants: Masteron Propionate 100 and Masteron Enanthate 200.
Supplied in sealed 10 ml vials. GMP-manufactured, each batch HPLC-verified with the Certificate of Analysis on file. Masteron vials for sale with international shipping with a 4 to 10 day transit window.
Discreet plain packaging
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Product overview
Zyvex Pharmaceuticals Masteron - Drostanolone Propionate and Enanthate
Zyvex Pharmaceuticals Masteron is drostanolone in two esters: Propionate 100 at 100 mg/ml and Enanthate 200 at 200 mg/ml, both in 10 ml multi-dose vials. Buy masteron when the goal is a hard, dry look rather than a bigger scale number, because the compound does not aromatise and tends to be judged in the mirror rather than on bodyweight. Every vial is GMP-manufactured and HPLC-verified, with a Certificate of Analysis held for the batch.
- Two formulations - Propionate 100, Enanthate 200
- GMP-manufactured - pharmaceutical-grade production standards
- HPLC-verified - independent lab testing with COA per batch
- international shipping with a 4 to 10 day transit window
How Drostanolone Works
Drostanolone is a DHT-derived androgen, which explains most of its practical character: it cannot become estradiol, so there is no water retention and no need for an aromatase inhibitor on its account. In the checked source file the propionate ester has an elimination half-life of roughly two days, while the enanthate figure of seven to ten days is described there as an ester estimate rather than a measurement. Both esters keep the same active hormone; only the schedule changes. Drostanolone has no approved human indication, so everything about its use is community practice and laboratory research.
Variant Comparison
The table shows how the ester changes the injection calendar for the same compound.
| Formulation | Concentration | Half-Life | Inj. Frequency | Typical Use |
|---|---|---|---|---|
| Drostanolone Propionate 100 | 100 mg/ml | About 2 days | Every other day | Contest prep, short block |
| Drostanolone Enanthate 200 | 200 mg/ml | Estimated 7-10 days | Twice a week | Longer lean block |
Choosing the Right Formulation
Propionate 100 is the ester most cutting plans are written around, because it comes on fast and leaves fast, which lets the last week before a show be adjusted injection by injection. Enanthate 200 needs two pins a week and is more comfortable for a longer stretch at a modest total, but it cannot be fine-tuned at short notice. Either ester is usually stacked with a testosterone base such as the Zyvex Testosterone line, and it is a common partner for the harsher Zyvex Trenbolone vials or the water-based Winstrol Depot, even though stacking two DHT compounds multiplies the androgenic load.
Quality & Authenticity
Each batch is produced under GMP conditions and tested by third-party HPLC, with the Certificate of Analysis held for the batch. Keep the vials upright at room temperature, away from light, heat and moisture, and do not refrigerate or freeze them.
For laboratory research only. Consult a healthcare professional before use.
Specifications
| Brand | Zyvex Pharmaceuticals |
| Active Substance | Drostanolone (propionate, enanthate) |
| Formulations | Propionate 100, Enanthate 200 |
| Concentration | 100-200 mg/ml |
| Form | Injectable, oil-based |
| Vial Size | 10 ml multi-dose |
| Administration | Intramuscular injection |
| Drug Class | Injectable DHT-derived anabolic androgenic steroid |
| Manufacturing | GMP-certified |
| Testing | Third-party HPLC per batch |
| Storage | Room temperature, away from light, heat and moisture |
| Shipping | International, 4-10 days transit |
Stacks
Consult a healthcare professional before any cycle. Dose figures are common community protocols.
FAQ
Before you ask
Questions, answered
It is drostanolone from Zyvex Pharmaceuticals in two esters: Masteron Propionate 100 at 100 mg/ml and Masteron Enanthate 200 at 200 mg/ml. Drostanolone is a DHT-derived androgen that does not aromatise, so it produces no estrogen-driven water retention. It has no approved human indication in the sources checked and is sold on this page as laboratory research material.
Propionate 100 is the short ester, injected every other day, and it is the one cutting plans use because the effect starts and stops quickly. Enanthate 200 is injected twice a week and suits a longer block at a modest total, but it cannot be tuned at short notice. If the plan requires control in the last fortnight, the propionate vial is the one to hold.
The propionate ester has an elimination half-life of about two days, with a third-party reference putting it near two and a half. The enanthate value of seven to ten days comes from an ester review and is described in the source file as an estimate rather than a measured figure, so it is presented here as an estimate too. Neither number is a human clinical measurement from this brand.
Because drostanolone is DHT-derived, the androgen-related complaints come first: hair loss in men who are already losing it, acne, and a harder prostate symptom profile with age. It still suppresses natural testosterone production, so recovery is required. There is no estrogen conversion, so an aromatase inhibitor is not needed on its own account, which removes one risk while leaving the others in place. Bloodwork remains the only way to see individual tolerance.
It is usually described as an addition rather than a base, because it suppresses natural testosterone while contributing almost no estrogen, and many users report low libido and flat mood on a DHT-only block. Running a small testosterone ester such as the Zyvex Testosterone Propionate 100 underneath is the common fix. That is community practice, not a clinical protocol.
Both esters are listed on this page as research material with international shipping in the selector above. Price and stock are shown against the variant you select. International shipping is listed at 50.00 USD with a transit window of four to ten days and orders are handled within one to two business days; at the last check every option on this page was out of stock.
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