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Test 400 - Testosterone Blend 400mg/mL - Apoxar

T-400 contains Testosterone Enanthate, Propionate, and Cypionate. This composition provides effective muscle mass gain as well as strength performance improvements. 

  • Usage: Inject 400-800 mg once a week
  • Cycle Duration: 8-12 weeks for optimal results 
  • Aromatization: Yes. Requires Letrozole - 2.5 mg - each other day during the cycle
  • Post Cycle Therapy: Nolvadex 40 mg/day for 2 weeks, then 20 mg/day for another 2 weeks
  • Stack With: Winstrol for lean muscle or Deca for bulking
Reviews
  1. 13.08.25

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    Price
    Pip was nasty first shot, settled a bit after

    ray p

  2. 27.06.25

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    Price
    STRONG AF

    sean t

  3. 11.04.25

    Quality
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    Price
    man, this oil is thick

    matt h

  4. See all
  5. 25.02.25

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    Price
    Pinned 1ml Test-400 twice a week, felt it quick

    Cole Klein

  6. 09.12.24

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    Price
    Apoxar blend is fire

    clark

  7. 23.08.24

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    compared to sustanon — hits harder but has more painful pins

    darren

  8. 07.06.24

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    Price
    held strength whole cycle

    111

  9. 21.04.24

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    used 0.5mL 2x/week, it kinda works but blends like these are for guys who want their glutes to feel like they got shot with a 4 bore rifle

    JW

  10. 05.02.24

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    no pip surprisingly

    brian

  11. 19.10.23

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    Used Test400 for 10-week lean gain, best size I’ve held without bloat. Solid strength, zero estro crash, libido stayed high.

    josh

  12. 03.08.23

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    Price
    Strength up, weight up, but couldn’t sit on my left cheek for 3 days

    greg p

  13. 17.06.23

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    Price
    Used with letro, estro stayed in check

    cliff

  14. 01.04.23

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    Price
    Honestly prefer 250mg/ml. Smoother oil, less pain. But if you want to pin less volume, 400 gets it done.

    tyrone

  15. 15.02.23

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    Price
    Felt flu-ish after my first pin, but strength gains by week 3 made it worth the pain.

    FRANKLIN

  16. 29.12.22

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    Definitely not underdosed.

    joel s

  17. 13.08.22

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    Real, used 800mg/week for 3 months

    roy

  18. 27.04.22

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    Price
    Better strength than test e solo

    bruce d

  19. great gear

    26.02.22

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    Price
    I use T400 a lot. Just works for me and I like the gains and how I feel. MG is a reliable source with legit gear.

    Kyle

  20. the best

    07.02.22

    Service
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    Price
    Best T400 that I used in years. I dial my doses down compared to other sources. Good price and quick delivery.

    Frank

  21. the best

    19.01.22

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    Service
    Very effective mixture. Milder pip compared to other brands. I changed a couple of brands and so far this is the best one.

    Tim

  22. good

    28.12.21

    Quality
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    Service
    Very impressed with the website. Big selection and fast shipping. My 3rd order, and they always have everything I need in stock.Reliable and G2G source.

    Chris

  23. 11.12.21

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    Price
    Test is test, but this one kicks your ass on the way in.

    Maniac

  24. 25.08.21

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    stacked with winstrol — leaned out

    tom s

  25. 09.04.21

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    Price
    Used Apoxar Test400 for 12-week blast. Strength up, pumps stupid, visuals clean. Blend actually felt balanced.

    timmy

  26. 23.01.20

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    felt aggressive but focused

    ernie

  27. Hide
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Stacks With:

PCT & Other:

What is Test 400

Test 400 is a widely used blend, composed of three different testosterone esters: Test E, Test Cyp, and Test Prop. The compound is perfect for bulking, lean bulking, and recomposition cycles.

Testosterone blends are popular because they have higher testosterone concentrations. Moreover, a combination of esters provides a steady release of the compound, allowing you to avoid dips in testosterone serum levels.

More Information About Testosterone Esters

  • Testosterone Enanthate: a slow-acting ester with a half-life of 11 days;
  • Testosterone Cypionate: another slow-acting ester with a half-life of 7 days;
  • Testosterone Propionate: a fast-acting testosterone ester with a half-life of 16–19 hours.

Test E and Test Cyp can be injected 2–3 times per week, whereas Test Propionate needs to be injected every other day to keep a test concentration stable. That’s if we’re talking about single-ester solutions.

With Test 400, you can get the benefits of both fast-acting and slow-acting esters, resulting in rapid muscle mass and increased strength, without pinning yourself 3–4 times per week. You can pin Test 400 once or twice per week.

Test 400 Benefits

On a Test 400 cycle, you can expect to:

  • Gain muscle mass (up to 25 lbs);
  • Improve your strength stats;
  • Increase stamina;
  • Accelerate the recovery process.

Additional benefits may include enhanced libido and sexual performance, reduced body fat percentage, or retained lean muscle mass (if you’re currently on a low-calorie diet).

Test 400 Side Effects

Possible side effects may include:

  • Testosterone suppression;
  • Water retention;
  • Gynecomastia;
  • Hair thinning;
  • Acne and oily skin;
  • Virilization;
  • Liver dysfunction;
  • Headaches and fatigue;
  • Increased blood pressure;
  • High cholesterol levels;
  • Aggression;
  • PIP.

Test 400 Virilization Effects

Test 400 can’t be used by women because of its strong androgenic profile. It will cause virilization effects, such as deepening of the voice, facial hair growth, irregular menstruation, or clitoris enlargement.

There’s no safe dosage for women, so it’s better to steer clear of Test 400.

Contraindications

It’s not recommended to go on a Test 400 cycle if you have been diagnosed with:

  • Severe cardiovascular disorders;
  • Kidney dysfunction;
  • Liver disease;
  • Prostate or breast cancer.

Test 400 Dosage

The recommended dosage varies between 400–800 mg/week, with a cycle length of 8–12 weeks. Beginners can start at the lower dosage, administering 300–400 mg/week.

To avoid serious side effects, you shouldn’t exceed the recommended dosage or cycle length.

How to Take Test 400

Test 400 should be injected intramuscularly once a week. To keep testosterone serum levels more stable, you can split the dosage and perform injections two times a week.

Test 400 can suppress your natural testosterone production; therefore, there’s a need for post-cycle therapy (preferably, Nolvadex and Clomid). Estrogen-related side effects can be mitigated with an aromatase inhibitor during an AAS cycle.

Test 400 PIP Management

Test 400 is considered one of the most painful injection compounds. You can split the dosage and rotate injection sites. This approach will allow you to lessen post-injection pain

Best Stacks with Test 400

Week

Test 400, mg/week

Deca Durabolin, mg/week

Arimidex, mg/EOD

HCG, IU/week

Clomid, mg/day

Nolvadex, mg/day

12

400–500

250–500

24

400–500

250–500

1

512

500–650

250–500

1

1112

2000–3000

Off-cycle gap

1314

50

40

1516

25

20

Common Questions About Test 400

Can You Use Test 400 for TRT?

You can use Test 400 for TRT, although it's better to go for a single-ester solution. The recommended Test 400 dosage for TRT ranges between 150–350 mg/week.

Where Do You Inject Test 400?

Test 400 can be injected intramuscularly or subcutaneously, with a slight preference for IM injections. The best injection sites include the glutes, quads, and delts.

Is Test 400 Fast-Acting?

Test 400 is a testosterone blend that contains fast- and slow-acting testosterone esters. Test E and Test Cyp are slow-acting esters. Testosterone Propionate ― a fast-acting one.