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Genetix Pharma Testosterone Propionate 100mgIn stock
Injectables Steroids

Genetix Pharma Testosterone Propionate 100mg

Testosterone propionate · 100 mg · 10 ml vial

5.0 · 5 reviews
$78$0.078 per mg

In stock · packed in Vancouver, tracking within 72 hours

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Compound
Testosterone propionate
Strength
100 mg/ml
Pack
10 ml vial
Half-life*
20 h

Overview

Testosterone propionate has a short three-carbon ester, so it reaches the bloodstream quickly and leaves within a few days. It was the first injectable testosterone ester sold commercially and is still used where fast clearance matters.

This listing is Genetix Pharma Testosterone Propionate 100mg (100 mg · 10 ml vial), photographed as we ship it and priced in Canadian dollars.

How it works

Propionate is cleaved rapidly, producing a sharp rise in testosterone within a day and a fall over the next two to three days. The hormone then acts exactly like natural testosterone: androgen-receptor activation, red-cell stimulation, aromatisation to estradiol and suppression of the body’s own LH and FSH.

Clinical reference

Propionate is no longer marketed for replacement therapy in Canada. Older prescribing information used 25 to 50 mg two or three times a week; modern practice prefers longer esters that need far fewer injections.

Reference information from product labels and clinical literature only. It is not a recommendation or dosing advice for you; any use should be set and monitored by a doctor.

Measuring calculator

Type the amount from your prescription or clinician; the calculator only converts it. It does not suggest how much to take.

Volume to draw–
On a U-100 scale–
Injections per vial–

Label strength: 100 mg/ml in a 10 ml vial.

Combinations and interactions

  • Usually weighed against enanthate or cypionate, which reach the same weekly amount with one or two injections.
  • HCG and estrogen-control drugs follow the same medical logic as with any testosterone.
  • Interactions: same as other testosterone esters, including warfarin and diabetes medication.

Risks and side effects

  • Injection-site pain. The short ester is known for soreness and redness at the site, partly because injections are frequent.
  • Hormonal suppression. Natural testosterone and sperm production drop during use.
  • Blood and lipids. Higher hematocrit and lower HDL cholesterol.
  • Estrogen effects. Fluid retention and gynecomastia are possible.

Do not use it if you are under 18, pregnant or breastfeeding, have hormone-sensitive cancer, high hematocrit, or significant heart, liver or kidney disease.

Bloodwork to discuss with your doctor

  • Testosterone (timed to the injection)
  • Estradiol
  • Hematocrit
  • Lipid panel
  • Liver enzymes

Injection sites

Testosterone Propionate 100mg is an oil made for deep intramuscular injection. Our injectables use MCT oil, which is thinner than cottonseed or grapeseed oil and passes more easily through a 25G needle. These are the standard nursing sites, with what to look for at each.

Muscle drawing: OpenStax & Tomáš Kebert, umimeto.org, CC BY-SA 4.0, recoloured.
1VentroglutealSide of the hip · Gluteus mediusIM

Finding it. Place the heel of your opposite hand on the bony bump at the top of the thigh, point your index finger at the front hip bone and fan your middle finger back along the hip crest. The target is the centre of that V.

Why it is used. Thick muscle with a thin fat layer and no major nerves or vessels in the target zone. Nursing references now rank it first for adults.

Watch for. Finding the landmarks on yourself takes practice; a mirror or a helper makes the first few easier.

Nursing reference volume: Up to 3 ml

Locating the ventrogluteal site Concordia University Ann Arbor School of Nursing · YouTube
2Vastus lateralisOuter thigh · QuadricepsIM

Finding it. Divide the thigh from hip to 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.

Watch for. Keep to the outer side: the femoral nerve and vessels run along the inner thigh. Soreness when walking for a day is common.

Nursing reference volume: Up to 3 ml

Vastus lateralis landmarks Dr. Nabil Ebraheim, orthopaedic surgeon · YouTube
3DeltoidShoulder · DeltoidIM

Finding it. Locate the bony point of the shoulder and move two to three finger widths down to the thickest part of the muscle on the outside of the arm.

Why it is used. Quick to reach and good for small volumes.

Watch for. It is a small muscle. Stay high: the axillary and radial nerves lie lower on the arm.

Nursing reference volume: Up to 1 ml

Deltoid anatomy and the nerves to avoid Dr. Nabil Ebraheim, orthopaedic surgeon · YouTube
!DorsoglutealUpper outer buttock · Gluteus maximusIM

Finding it. The traditional upper outer quarter of the buttock.

Why it is used. A large, familiar muscle still shown in older guides.

Watch for. The sciatic nerve and a major artery are nearby and the fat layer is thicker. Most current guidance prefers the ventrogluteal site.

Nursing reference volume: Up to 3 ml

The buttock site and the sciatic nerve Dr. Nabil Ebraheim, orthopaedic surgeon · YouTube

Every time: wash your hands, swab the stopper and skin with alcohol, use a new sterile needle and syringe and never share. See a doctor for spreading redness, heat, swelling, fever or numbness. This is general reference information from standard injection guidance, not medical advice.


Chemistry

2D structure of Testosterone propionateTestosterone propionate
Formula
C22H32O3
Molecular weight
344.5 g/mol
CAS
57-85-2
PubChem
CID 5995

Research

Peer-reviewed papers behind the facts on this page, each linked to its PubMed record.

  1. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice GuidelineBhasin S et al. · J Clin Endocrinol Metab 2018 · PMID 29562364
  2. The effects of supraphysiologic doses of testosterone on muscle size and strength in normal menBhasin S et al. · N Engl J Med 1996 · PMID 8637535
  3. Testosterone therapy and secondary erythrocytosisWhite J et al. · Int J Impot Res 2022 · PMID 34987178
  4. Recovery of spermatogenesis following testosterone replacement therapy or anabolic-androgenic steroid useMcBride JA, Coward RM · Asian J Androl 2016 · PMID 26908067

Storage and handling

Keep the vial at room temperature (15 to 25 °C), out of direct light. Do not refrigerate or freeze it: cold can make the hormone crystallise. Wipe the rubber stopper with alcohol before each draw and use a fresh needle every time.

Anabolic steroids are listed in Schedule IV of the Controlled Drugs and Substances Act. Simple possession of a Schedule IV substance is not itself an offence, but importing, exporting, producing or selling one without authorisation is. Anabolic agents are prohibited in tested sport. Laws change, so check the current rules for your situation.

FAQ

Why does propionate need frequent injections?

Its half-life is under a day, so levels fall quickly between doses.

Does propionate cause less water retention?

Any testosterone can raise estradiol and fluid; the ester changes timing, not the hormone.

Is post-injection pain normal?

Mild soreness is common with short esters. Heat, swelling that spreads, or fever need medical attention.

How fast will it reach me?

Orders leave Vancouver by Canada Post Xpresspost and the tracking number arrives within 72 hours of your e-Transfer. Most provinces receive parcels 1 to 6 business days after that; the territories can take up to 10. Xpresspost is free on orders over $300, and a lost or seized parcel is reshipped at no charge.

Reviews

5.0 out of 5 from 5 reviews by customers.

I felt this product right away I recommend it

Ron G. · September 25, 2025
Reply from Steroids Canada

Thank you, Ron! Propionate is a fast-acting ester, so that fits. Glad you'd recommend it.

Great product

Jacek Z. · June 1, 2025
Reply from Steroids Canada

Thank you again, Jacek, for reviewing the Testosterone Propionate.

Come on time. Very good .

Customer · April 26, 2025
Reply from Steroids Canada

Thank you! On time and very good is a review we're proud of.

Always what I expect to receive!

Christopher P. · December 27, 2024
Reply from Steroids Canada

Thank you, Christopher! Consistency is everything to us.

5.00

Based on 5 reviews
5
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0
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5 reviews for Testosterone Propionate 100mg Genetix Pharma

  1. Avatar of Christopher P.

    Christopher P. (verified owner) –

    Always what I expect to receive!

    Is it helpful?
    • Avatar of Steroids Canada

      Steroids Canada (store manager) –

      Thank you, Christopher! Consistency is everything to us.

  2. Avatar of Anonymous

    Anonymous (verified owner) –

    Come on time. Very good .

    Is it helpful?
    • Avatar of Steroids Canada

      Steroids Canada (store manager) –

      Thank you! On time and very good is a review we’re proud of.

  3. Avatar of Jacek Z.

    Jacek Z. (verified owner) –

    Great product

    Is it helpful?
    • Avatar of Steroids Canada

      Steroids Canada (store manager) –

      Thank you again, Jacek, for reviewing the Testosterone Propionate.

  4. Avatar of Anonymous

    Anonymous (verified owner) –

    Is it helpful?
    • Avatar of Steroids Canada

      Steroids Canada (store manager) –

      Thank you for the five stars on Genetix Testosterone Propionate.

  5. Avatar of Ron G.

    Ron G. (verified owner) –

    I felt this product right away I recommend it

    Is it helpful?
    • Avatar of Steroids Canada

      Steroids Canada (store manager) –

      Thank you, Ron! Propionate is a fast-acting ester, so that fits. Glad you’d recommend it.

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