Testosterone 400 mg/mL | 10 mL or 20 mL
What you are buying and why lifters choose it
Testosterone 400 is a high-concentration multi-ester testosterone designed for strong training weeks with fewer total milliliters. Short esters start the effect fast. Longer esters extend the curve for stable levels. Users pick Test 400 for lean mass, strength, and a simple anchor for stacks. Split shots keep mood and energy even.
Ready to order. Go to Testosterone 400. Check free shipping and read reviews before checkout.
Product overview
| Attribute | Detail |
|---|---|
| Compound | Testosterone blend, high concentration |
| Strength | 400 mg/mL |
| Formats | 10 mL or 20 mL multi-dose vial |
| Class | Injectable anabolic androgenic steroid |
| Esters | Short and long esters for fast start and sustained release |
| Approx half-lives | Short 2–4 days. Long 7–10 days |
| Aromatization | Yes. Manage by labs |
| Progestin activity | None meaningful |
| Primary goals | Lean size, strength, training performance, stable look |
| Injection frequency | 2 to 3 times per week |
| Typical partners | EQ or Primo for clean phases. Mast E as a late cosmetic option |
| Kick-in window | Days 5–10 early effects. Weeks 2–4 full rhythm |
| PCT | Required after long-ester clearance |
What Testosterone 400 does in the gym and in the mirror
Drives steady strength across the week.
Fills out the physique with predictable water when diet and electrolytes stay tight.
Supports recovery and libido with a measured dose.
Anchors lean, long-ester stacks with simple planning.
What is Test 400
A high-mg blend of multiple testosterone esters. The short fraction starts early. The long fraction maintains levels between shots.
How long it stays in your system
Short parts fade within days. Long parts persist about two to three weeks. Start PCT after that window.
Dosing principles
Use the lowest effective dose that meets your goal. Keep food quality, sleep, and electrolytes consistent. Let labs decide any AI move.
Common weekly ranges
| User | Conservative start | Common range | Upper end for advanced users* |
|---|---|---|---|
| Men | 300–400 mg per week | 400–600 mg per week | 650–800 mg per week |
| Women | Not typical | — | — |
*Upper-end figures reflect community practice, not a recommendation.
Injection rhythm with dosage-included schedules at 400 mg/mL
Supplies for a smooth experience. 3 mL Syringe and Alcohol Swabs. Rotate sites. Warm the vial. Push slowly.
Twice-weekly schedule
| Weekly total | Mon dose | Thu dose | mL per shot |
|---|---|---|---|
| 400 mg | 200 mg | 200 mg | 0.50 mL |
| 500 mg | 250 mg | 250 mg | 0.63 mL |
| 600 mg | 300 mg | 300 mg | 0.75 mL |
| 700 mg | 350 mg | 350 mg | 0.88 mL |
| 800 mg | 400 mg | 400 mg | 1.00 mL |
M-W-F schedule
Short esters in the blend like this rhythm.
| Weekly total | Mon | Wed | Fri | mL per shot |
|---|---|---|---|---|
| 360 mg | 120 mg | 120 mg | 120 mg | 0.30 mL |
| 450 mg | 150 mg | 150 mg | 150 mg | 0.38 mL |
| 600 mg | 200 mg | 200 mg | 200 mg | 0.50 mL |
Quick volume guide at 400 mg/mL
200 mg = 0.50 mL • 250 mg = 0.63 mL • 300 mg = 0.75 mL • 350 mg = 0.88 mL • 400 mg = 1.00 mL
Example schedules
14-week lean mass plan
| Week | Testosterone 400 | Partner | Notes |
|---|---|---|---|
| 1–2 | 400 mg per week, 200 mg = 0.50 mL Mon/Thu | — | Establish sleep, BP, electrolytes |
| 3–10 | 500–600 mg per week, 250–300 mg = 0.63–0.75 mL Mon/Thu | Boldenone 300–400 mg per week | Log volume, waist, photos |
| 11–12 | 400 mg per week | — | Step down cleanly |
| 13–14 | 300 mg per week | — | Coast to clearance, plan PCT |
12-week recomposition plan
| Week | Testosterone 400 | Partner | Diet and cardio focus |
|---|---|---|---|
| 1–4 | 360–450 mg per week, 120–150 mg M-W-F | Primo E 300–400 mg per week | Small deficit, protein 2.0 g/kg, steps target |
| 5–8 | 600 mg per week, 200 mg = 0.50 mL M-W-F | Primo E 300–400 mg per week | Maintain lifts, steady electrolytes |
| 9–12 | 360–450 mg per week | — | Exit ramp. Labs decide any AI move |
Estrogen management the adult way
Testosterone aromatizes. Do not overreact. Let labs and symptoms guide small changes. If you need support, start low and retest in 10–14 days.
If tissue sensitivity appears while you adjust totals, a SERM protects while you tune the base.
For structured dosing and lab timing, add the PCT Protocol at checkout.
Side effects and how to manage them
Blood pressure and hematocrit
Track BP at home. Schedule periodic CBCs. Hydrate.
Lipids
Keep cardio steady and favor unsaturated fats. Recheck HDL and triglycerides.
Androgenic effects
Acne or oil rise with totals. Reduce dose before adding more items.
Suppression
Plan your exit before the first milliliter. PCT timing follows the long esters in the blend.
Post-cycle therapy timing
Begin SERM therapy about 14 days after the final injection.
| Weeks | Nolvadex | Clomid | Notes |
|---|---|---|---|
| 1–2 | 40 mg daily | 50 mg daily | Start 14 days after last shot |
| 3–4 | 20 mg daily | 25–50 mg daily | Taper by labs and symptoms |
Stacking logic that stays clean
Keep Test 400 as the anchor.
Add one lean partner if your goal calls for it. EQ or Primo fit well.
Avoid oral piles. If you add a short oral, keep it brief and non-overlapping.
Let photos, performance, and labs steer changes.
Nutrition and training that let Test 400 work
Protein 1.8–2.2 g per kg across 3–5 meals.
Carbs near training for performance and recovery.
Dietary fat at least 0.6 g per kg.
Electrolytes steady for predictable weight and BP.
Cardio two or three easy sessions weekly for lipids.
Lifting with clean reps and logged progression.
Who should choose Testosterone 400 and who should not
Choose Test 400 if you want a strong weekly anchor with fewer total mL, fast first effects, and steady levels over long blocks.
Skip Test 400 if you prefer single-ester timing for narrow control windows. In that case, pick Testosterone Enanthate or Cypionate.
Why Canadians buy Testosterone 400 from GHCanada
In-country shipping with clear timelines.
Recognizable strength and labeling for simple planning.
One checkout for ancillaries, syringes, and PCT.
Quick answers
How often do I inject Test 400
Two or three times per week.
Do I always need an AI
Use labs. Start low if needed and reassess in 10–14 days.
When do I start PCT
About 14 days after the final injection.
Is Test 400 good for a recomp
Yes. Keep protein high, electrolytes steady, and volume logged.
Dosing schedule visualizations with dosages
Twice-weekly calendar at 400 mg/mL
| Week | Mon dose | Thu dose | mL each | Notes |
|---|---|---|---|---|
| 1–2 | 200 mg | 200 mg | 0.50 mL | Baseline BP, sleep, electrolytes |
| 3–8 | 250–300 mg | 250–300 mg | 0.63–0.75 mL | Log lifts, waist, photos |
| 9–10 | 200–250 mg | 200–250 mg | 0.50–0.63 mL | Hold strength, review labs |
| 11–12 | 150–200 mg | 150–200 mg | 0.38–0.50 mL | Exit ramp and PCT prep |
| 13–14 | — | — | — | Clearance window |
M-W-F calendar at 400 mg/mL
| Week | Mon | Wed | Fri | mL each | Notes |
|---|---|---|---|---|---|
| 1–4 | 120–150 mg | 120–150 mg | 120–150 mg | 0.30–0.38 mL | Easy on-ramp |
| 5–8 | 200 mg | 200 mg | 200 mg | 0.50 mL | Mid-block focus |
| 9–12 | 120–150 mg | 120–150 mg | 120–150 mg | 0.30–0.38 mL | Step down to exit |
Related items to complete your order
SERM and planning. Nolvadex and the PCT Protocol
Injection supplies. 3 mL Syringe and Alcohol Swabs





Rod –
That test is so smooth! T400 always damn hurt and tgis one is good to go
[email protected] (verified owner) –
Very happy with this T400. Thank you!
Smooth, easy pinning.
Rick (verified owner) –
Arrived super fast, used my credit card so if anyone is apprehensive, I’ve had no issues. Not my first or last purchase for sure.
Dave (verified owner) –
Seeing results after only 2 weeks. This stuff is for real! Results don’t lie.
Patrick Bainbridge (verified owner) –
I am switching now to t400 from test e 300. Good stuff.
Jason Agretto (verified owner) –
Mine just came in today pinned 1cc today. Let’s see how this does will review in 2 weeks
ManOfTheDeep (verified owner) –
On CRT for Low-T.
Spinal injuries, was only taking Prescribed T-Enanthate 200 from Pharmacy at 1.5ml per week! Wasn’t enough to help so I started taking this and wow!!! Working a physically demanding job.
I went from 4.5yrs bed-ridden, 40lbs over weight, not able to walk far without my cane; and I mean that’s to the washroom..
Just be safe, be mindful, be clean with “utensils” and don’t overindulge.
Sam Peterson –
Using it for my TRT and blood work comes back perfect , way better than nagging doc all the time
Jared (verified owner) –
Amazing products and service!! Order from Gh Canada, you won’t regret it!
Sasha M. –
Test 400 is a great choice if you want fewer injections without giving up control over your blood levels. The blend of three esters (Cyp, Enan, and Decanoate from what I understand) makes it longer-acting than straight Cyp, so I am pinning every 7 days instead of twice a week. Oil is well-suspended at the high concentration, draws fine through a 25g pin, and PIP has been minimal. Bloodwork has stayed steady within the expected TRT range. The COA was verifiable and the labeling was professional. Cold-chain shipping held up well across Ontario weather. Recommend for anyone wanting a less frequent injection schedule while still tracking labs carefully.
Oleksandr Davydenko (verified owner) –
Fast Delivery, Good Quality, Amazing product and service.
Crash_doc (verified owner) –
High quality product. Scientifically backed, easy to use, no filler and fast shipping. Turnaround time is great with this company and this product