Drostanolone propionate
- Formula
- C23H36O3
- Molecular weight
- 360.5 g/mol
- CAS
- 521-12-0
- PubChem CID
- 224004 ↗
2D structure · PubChem CID 224004Drostanolone propionateZionovaInjectable
Zionova Masteron Propionate
Drostanolone propionate · Injectable (oil)
5.0 from 2 reviews$96CAD
In stock, ships from VancouverStrength100 mg/ml
Pack10 ml vial
Total per order1,000 mg
Half-life≈ 2 days
Add $204 more for free Xpresspost.
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What most customers add with this:
- Delivery guaranteeLost or seized: reshipped free
- Tracking in 72 hPacked in Vancouver
- Interace-TransferFrom any Canadian bank
- Plain packagingNo product names outside
Overview
Masteron propionate is drostanolone with a short propionate ester, clearing within two to three days.
How it works
A non-aromatising DHT derivative that activates androgen receptors and suppresses natural testosterone.
Chemistry
From PubChem, the US National Library of Medicine’s chemistry database.
Clinical reference
The old breast-cancer label used 100 mg three times a week in women. It is no longer marketed for any medical use in Canada.
Label and guideline amounts are shown for reference only. They are not a recommendation, and we never give cycle or performance amounts. Any use belongs under a doctor’s care, with bloodwork.
Measuring calculator
Converts an amount you enter into what to measure. It does not suggest an amount.
Strength used: 100 mg/ml
Injection sites
Masteron Propionate is an oil for intramuscular (IM) injection: deep into a large muscle, never under the skin or into a vein. Our injectables are made in MCT oil, which is thinner than the seed oils many labs use, so it draws and flows through a 25G needle more easily.
- Volume per site
- Up to 3 ml
- Needle
- 25 to 38 mm, 22 to 25G
Finding it. Place the heel of your hand on the bony bump at the top of the outer thigh, point your index finger at the front hip bone and spread your middle finger back along the hip crest. Inject in the centre of the V between the two fingers.
Why it is used. Current nursing guidance favours it for adults: a thick muscle under a thin, predictable fat layer, with no large nerves or vessels in the target area.
Watch out. The landmarks take practice; use a mirror or a helper the first few times.
- Volume per site
- Up to 3 ml
- Needle
- 25 to 38 mm, 22 to 25G
Finding it. Divide the thigh between hip and knee into thirds and use the middle third, on the outer front surface.
Why it is used. Easy to see and reach while seated, with plenty of muscle and well away from the main nerves.
Watch out. Keep to the outer side: the femoral nerve and vessels run along the inner front of the thigh.
- Volume per site
- Up to 1 ml
- Needle
- 25 mm, 23 to 25G
Finding it. Find the bony tip of the shoulder; the site is the thickest part of the muscle two to three finger-widths below it, in the middle of the outer arm.
Why it is used. Quick to reach and expose, which is why vaccines are given here. Suits small volumes only.
Watch out. A small muscle: larger volumes hurt. The axillary and radial nerves lie below the safe zone, so do not go low.
- Volume per site
- Up to 3 ml
- Needle
- 38 mm
Finding it. The traditional upper outer quarter of the buttock.
Why it is used. A large and familiar muscle that older guides still show.
Watch out. Nursing guidance has moved away from it: the sciatic nerve and superior gluteal artery are close by and the fat layer is thicker. The ventrogluteal site reaches the same muscle group more safely.
Why these sites for Masteron Propionate
Intramuscular (IM)- Largest muscles first. Short esters and high-strength blends are the oils most often reported to sting. The ventrogluteal and outer thigh handle them best; keep the deltoid for small volumes.
- Rotate widely. Short esters are injected more often, so spread injections across more sites, left and right.
- Warm the vial in your hands. Rolling the vial for a minute brings the oil to body temperature so it flows easily. Never heat it in water or a microwave.
Every time: wash your hands, wipe the vial stopper and skin with alcohol, use a new sterile needle and syringe, and never share. See a doctor for spreading redness, heat, swelling, pus, fever or numbness. This is general guidance from standard nursing practice, not medical advice; a pharmacist or nurse can show you in person.
Combinations and interactions
Prescribed or used alongside
- Testosterone is usually part of the picture because natural production falls.
Drug interactions
- Anticoagulants: monitor INR.
Risks and bloodwork
Injection-site soreness
Short esters often sting.
Hair loss and acne
Typical DHT-derived effects.
Lipids
HDL falls.
Shutdown
Natural production stops.
Bloodwork doctors check
- Complete blood count (hematocrit and hemoglobin)
- Lipid panel (HDL, LDL, triglycerides)
- Liver enzymes (ALT, AST)
- Total and free testosterone, estradiol
- LH and FSH
- PSA for men over 40
- Blood pressure
Not for
People under 18, anyone pregnant or breastfeeding, and anyone with prostate or breast cancer, heart disease, uncontrolled blood pressure, a high red blood cell count, untreated sleep apnea, or liver or kidney disease.
Canadian legal status
Anabolic steroids are listed in Schedule IV of the Controlled Drugs and Substances Act. Simple possession of a Schedule IV substance is not an offence under the Act; selling, importing or exporting one without authorisation is. Sports bodies that follow the World Anti-Doping Code ban them in and out of competition. This is general information, not legal advice.
References
- Treatment of advanced breast carcinoma with drostanolone propionate. A case reportHeney NM · Bristol Med Chir J, 1970 · PMID 5536155
- Anabolic-androgenic steroids: How do they work and what are the risks?Bond P et al. · Front Endocrinol (Lausanne), 2022 · PMID 36644692
Reviews
5.02 reviews from customers
Reviews are published after a quick check. Only customers who bought this product can review it.
Haven’t tried it yet
Reply from SteroidsCanada.org
Thanks, Cam! Let us know how it goes once you start.
Rated without a written review.
Reply from SteroidsCanada.org
Thanks once more, Kassidy! We appreciate you rating your whole order.
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FAQ
How often is propionate injected?
Its half-life is about two days, so far more often than enanthate.
Was it ever a medicine?
Yes, for breast cancer in women, decades ago.
Does it aromatise?
No.
How fast will it arrive?
Orders ship from Vancouver by Canada Post Xpresspost. You get a tracking number within 72 hours of payment; delivery then takes 1 to 2 business days in BC, 3 to 4 in Ontario and 3 to 5 in Quebec.
What if my parcel is lost or seized?
We reship it free. Contact us with your order number.
Adults 18+. This page is general information, not medical advice. Talk to a licensed healthcare provider before using any compound.
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Masteron Propionate$96 CAD