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Testosterone Enanthate 250mg/ml vial from Genetix Pharma, ideal for bulking and strength cycles.

Batch COA on requestPage checked Oct 2026

Genetix PharmaInjectables SteroidsIn stock

Testosterone Enanthate Genetix Pharma

10 ml vial

4.812 reviews
$96.00CAD$0.038 per mg

Buy Testosterone Enanthate Genetix Pharma (Testosterone Enanthate) online in Canada. Lab-tested injectable steroid delivering reliable testosterone delivery for lean mass, energy, and performance enhancement. Order from SteroidsCanada.is for guaranteed quality, discreet packaging, and fast Canadian shipping.

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Needed with this: Syringes Pack of 10 - 25 Gauge - 3mlUse a new sterile syringe for every injection. $18Add

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Complete your cycle

What most customers add with this:

Arimidex Genetix Pharma$120.00 · Keeps estrogen in check
Add
HCG 5000 IU$108.00 · For after your cycle
Add

You will need

Syringes Pack of 10 - 25 Gauge - 3ml$18 · A new sterile syringe for every injectionAdd

It ships by Canada Post Xpresspost with tracking.

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Spec sheetTestosterone enanthateGenetix Pharma · Testosterone Enanthate Genetix
Compound
Testosterone enanthate
Strength
250 mg/ml
Pack
10 ml vial
Total per order
2,500 mg
Form
Injectable (oil)
Half-life
About 4-5 days
Value
$0.038 per mg

01The basics

What Testosterone Enanthate by Genetix Pharma is

Genetix Pharma’s Testosterone Enanthate is injectable testosterone bound to the enanthate ester, at 250 mg per ml in a 10 ml vial (2,500 mg in total). The ester holds the hormone in an oil depot in the muscle and releases it over several days, so one or two injections a week keep levels up.

It’s the same compound and strength as most pharmaceutical enanthate, at one of the lowest prices per mg in our range. Below is what it does, what can go wrong, and the bloodwork that keeps you on track.

02Molecule

The molecule

What is actually in the vial or tablet, from the public chemistry databases of the U.S. National Library of Medicine.

Structure of Testosterone enanthate

Testosterone enanthate

C26H40O3

Molar mass
400.6 g/mol
CAS
315-37-7
PubChem
9416

03How it works

How it works

After injection, enzymes slowly cut the enanthate ester off, leaving plain testosterone. With a half-life of about 4–5 days, levels peak a day or two after a shot and fall gradually after that.

  • Muscle and strength: testosterone activates androgen receptors, raising protein synthesis and nitrogen retention.
  • Blood: it stimulates red blood cell production, which helps endurance but can go too far.
  • Conversions: part of it becomes estradiol (needed in moderation for joints, mood and libido) and part becomes DHT (acne and hair loss in men prone to them).

04Half-life

Half-life, in plain numbers

A half-life of about 4-5 days means half of what is in the body is gone after that time, then half of the rest, and so on. The ester decides how slowly the hormone leaves the injection depot, which is why long esters are injected less often than short ones.

100%Start50%4.5 days25%9 days13%13.5 days6.3%18 days3.1%22.5 days
One half-life
4.5 days
About 97% gone
22.5 days
Levels level out with regular use after
18 days–22.5 days

A textbook model built from the half-life alone. Real numbers vary from person to person.

05Clinical reference

Dosing information

Clinical reference. For low testosterone, Endocrine Society guidelines suggest 75–100 mg a week or 150–200 mg every two weeks, adjusted with bloodwork. The product label range is 50–400 mg every 2–4 weeks. Muscle-building doses are usually much higher, and every risk on this page rises with them.

Talk to a doctor before use.

How long a vial lasts. At 250 mg per ml, a 10 ml vial holds 2,500 mg:

  • 100 mg a week (0.4 ml): about 25 weeks
  • 250 mg a week (1 ml): 10 weeks
  • 500 mg a week (2 ml): 5 weeks

Allow a little extra for the oil left in the needle each time.

06Measure it

Measure it

Type in the amount your prescriber gave you, or the one you are working from, and this turns it into what to draw up or count out from this exact product. It only does the arithmetic; it never suggests an amount.

Result

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Enter your amount

 
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Arithmetic from the strength printed on this product. Always check your own vial or bottle, follow your prescriber, and ask a pharmacist to show you how to measure if you are unsure.

07Injection sites

Where it is injected

Testosterone Enanthate is an oil, so it goes deep into a large muscle with a regular needle: never just under the skin and never into a vein. These are the muscles standard nursing guidance uses.

Common siteOlder site, extra careMuscle drawing: OpenStax & Tomáš Kebert, umimeto.org, CC BY-SA 4.0, recoloured.
1Hip (ventrogluteal)Gluteus medius and minimusIM
Volume per siteUp to 3 mlNeedle1–1.5 in, 22–25G
  1. Lie on your side or stand. Put the heel of your hand on the bony knob at the top of the thigh (greater trochanter): left hand on the right hip, right hand on the left.
  2. Point your index finger at the bony front of the hip (anterior superior iliac spine) and fan your middle finger back along the hip crest to make a V.
  3. The site is the middle of that V.

Why it is used. Many nursing programs now teach it first. The muscle is thick, the fat over it is thin and fairly even, and no large nerve or vessel crosses the target area.

Careful. The landmarks take a few tries to find on your own body. A mirror or a helper makes the first ones easier.

Locating the hip site on a real personConcordia University Ann Arbor, School of NursingSection 0:00–0:58 of their video · YouTube

2Outer thigh (vastus lateralis)Vastus lateralis, quadricepsIM
Volume per siteUp to 3 mlNeedle1–1.5 in, 22–25G
  1. Sit down. Find the bony knob at the top of the thigh and the top of the kneecap.
  2. Divide the distance between them into three equal parts.
  3. Use the middle part, on the outer front of the thigh, roughly where a trouser seam would run.

Why it is used. The easiest large muscle to see and reach on yourself, with plenty of muscle to work with.

Careful. Stay on the outer side. The femoral artery, vein and nerve run along the inner front of the thigh. It can feel stiff for a day or two.

Outer thigh: the landmarks, step by stepDr. Nabil Ebraheim, MD, Orthopaedic surgeon, University of ToledoSection 0:06–1:05 of their video · YouTube

3Shoulder (deltoid)DeltoidIM
Volume per siteUp to 1 mlNeedle1 in, 23–25G
  1. Find the bony ridge at the top of the shoulder (acromion).
  2. Measure two to three finger-widths straight down from it.
  3. Inject into the thickest part of the muscle on the outer side of the arm, well above the armpit line.

Why it is used. Quick to reach and the usual place for vaccines. Good for small volumes.

Careful. A small muscle: larger amounts hurt and can leak back out. Going too low on the arm risks the axillary and radial nerves.

Shoulder injection and the nerves to stay clear ofDr. Nabil Ebraheim, MD, Orthopaedic surgeon, University of ToledoSection 0:06–3:16 of their video · YouTube

!Upper buttock (dorsogluteal)Gluteus maximusIM
Volume per siteUp to 3 mlNeedle1.5 in
  1. Picture a cross dividing one buttock into four quarters.
  2. The traditional site is the upper outer quarter, close to the hip crest.
  3. The hip (ventrogluteal) site reaches the same gluteal muscles with landmarks that are easier to trust.

Why it is used. Still shown in many older guides because the muscle is so large.

Careful. The sciatic nerve and the superior gluteal artery are close by, and the fat layer is often thick enough that oil ends up in fat instead of muscle.

Buttock quadrants and the sciatic nerveDr. Nabil Ebraheim, MD, Orthopaedic surgeon, University of ToledoSection 0:08–1:24 of their video · YouTube

Route for Testosterone EnanthateInto the muscle (IM)

  • Hip, thigh or shoulderLong-ester oils like this one tend to be smooth on the muscle, so all three common sites are used. Keep the shoulder for smaller volumes.
  • Rotate sidesGoing back to the same spot before it has healed builds lumps and scar tissue. Most people rotate through at least four spots: both hips and both thighs.
  • Warm it in your handRolling the vial between your palms for a minute thins the oil so it pushes more easily. Never heat it in water or a microwave.
  • Wash your hands
  • Alcohol on the stopper and skin, let it dry
  • New sterile needle and syringe every time
  • Never share any of it
  • Sharps into a puncture-proof container

General reference from standard nursing injection guidance, not medical advice. Spreading redness, heat, swelling, pus, fever, numbness or pain that keeps getting worse needs a doctor. A pharmacist or nurse can show you the technique in person.

08Brand vs brand

Brand vs brand

The same compound from another maker. What changes is the pack, the strength per tablet or ml, and the price per unit.

09Risks

Side effects and risks

Testosterone is well studied, which means its risks are well known. Most rise with dose.

Lower natural testosterone

Your own production shuts down while you use it, testicles shrink and sperm counts drop. Fertility usually comes back after stopping, but it can take months.

Hematocrit

A rising red blood cell count makes blood thicker and raises the risk of clots. It’s the side effect most likely to show up on a CBC before you notice anything.

Blood pressure and lipids

Expect a rise in blood pressure and a drop in HDL cholesterol at higher doses. Both are silent, so measure them.

Estrogen side effects

Water retention, sore nipples and possible gynecomastia when estradiol runs high. Bloodwork tells you whether estradiol is actually the problem.

Injection safety

New sterile needle and syringe every time, alcohol swab on the vial and skin, and never share equipment. Spreading redness, heat or swelling needs a doctor.

Don’t use it if you

Are under 18, pregnant or breastfeeding, have prostate or breast cancer (or a history of it), untreated sleep apnea, a high hematocrit, or serious heart, liver or kidney disease. Women risk permanent virilization.

10Interactions

Interactions

Medicines and substances that change how this product behaves, or that it changes. Show this list to your pharmacist along with everything else you take.

  • SeriousWarfarin and other blood thinners

    Androgens make warfarin work harder. INR can rise quickly and bleeding has been reported, so the blood thinner usually needs closer checks and often a lower dose.

  • CautionInsulin and diabetes tablets

    Anabolic steroids can lower blood sugar and change insulin sensitivity, so diabetes medicines may need to be adjusted.

  • CautionPrednisone and other corticosteroids

    Both hold on to salt and water. Together they make swelling and blood-pressure rises more likely, which matters most with heart, liver or kidney disease.

  • Good to knowOral steroids at the same time

    An oral 17-alpha-alkylated steroid adds liver strain and pushes HDL cholesterol down further on top of what this injectable already does.

11Bloodwork

Bloodwork checklist

Test before you start, 6–8 weeks in, and 4–6 weeks after you stop. Time testosterone tests midway between injections.

  • Total and free testosterone
  • Estradiol (sensitive test), LH and FSH
  • CBC, with hematocrit
  • Lipid panel and liver panel
  • PSA for men over 40
  • Blood pressure weekly at home

12After a course

Post-cycle therapy and support

After a course (as opposed to ongoing TRT), many people use post-cycle therapy with a SERM such as tamoxifen (Nolvadex) or clomiphene (Clomid), usually starting about two weeks after the last enanthate injection. An aromatase inhibitor such as anastrozole (Arimidex) is only worth it if bloodwork shows high estradiol with symptoms. See Pairs well with below.

13Pairs well with

Pairs well with

14Delivery

Delivery across Canada

Everything ships from inside Canada, so there is no border, no customs and no currency conversion.

Canada Post Xpresspost$30Free on orders over $300
Purolator / FedEx$60Courier option at checkout
  • DispatchOrders ship by Canada Post Xpresspost, with tracking within 72 hours of payment. Customers commonly report 2 to 4 days to arrive, depending on the province and postal code.
  • PackagingA plain outer box with no product names or branding.
  • Delivery guaranteeIf a parcel is lost or seized in transit, we reship it free. Delivery policy
  • ReturnsBecause of what these products are, opened or delivered orders can’t be returned. A wrong item is replaced free.
  • PaymentInterac e-Transfer, priced in Canadian dollars.

15Questions

Common questions

How does it compare to Zionova Testosterone Enanthate?

Same compound, same 250 mg/ml strength and the same 10 ml vial. The difference is the manufacturer and the price. You can compare both under Compare brands on this page.

How often should I inject it?

Once or twice a week. Two smaller injections, such as Monday and Thursday, keep levels steadier than one large one.

What needle should I use?

Many people draw with a larger needle and inject into muscle with a 23–25 gauge needle, 1 to 1.5 inches long, depending on the site and body fat. A pharmacist can advise; many Canadian pharmacies sell syringes and needles without a prescription.

How should I store it?

At room temperature, away from light. Don’t refrigerate it; if it crystallizes in the cold, warm the vial and swirl until clear.

How fast is shipping in Canada?

Orders ship by Canada Post Xpresspost, with tracking within 72 hours of payment, with tracking.

Is testosterone legal in Canada?

Anabolic steroids, including testosterone, are Schedule IV substances under the Controlled Drugs and Substances Act. Possessing them for personal use isn’t an offence; trafficking, importing and exporting without authorization are.

How is my order packaged?

In a plain, unbranded box with no product names on the outside.

16Research

Research behind this page

The studies and guidelines the clinical and safety information above leans on. Every link opens the record on PubMed.

  1. 1
  2. 2
  3. 3
    Testosterone therapy and secondary erythrocytosis

    Int J Impot Res2022White J et al.PMID 34987178

  4. 4

17Reviews

What customers say

4.812 ratings
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JamieVerified order ·

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MichaelVerified order ·

SteroidsCanada.is replied

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Lucas N.Verified order ·

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AnonymousVerified order ·

SteroidsCanada.is replied

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Brian B.Verified order ·

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JacekVerified order ·

Great results. Fast delivery

SteroidsCanada.is replied

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Educational information only, not medical advice. Talk to a doctor or pharmacist before using any anabolic steroid, hormone, peptide or prescription drug. Adults 18+ only. Sold and shipped from Canada by SteroidsCanada.is.