400 mg Testosterone Per Week | Review and Results

Dr. Mike Jansen

Last Updated February 28, 2023

Dr. Mike Jansen

 February 28, 2023

Curious about 400 mg of testosterone per week results?

Do you wonder if 400 mg testosterone cycles are appropriate for beginners, as well as more experienced testosterone users?

Then you’ve come to the right place. In this in-depth guide, we cover everything you MUST know about more aggressive testosterone cycles, including the results and side effects you can expect while taking 400 mg of testosterone per week.

We also answer your most important questions, including:

  • Is taking 400 mg of testosterone per week dangerous?
  • Do professional athletes take 400 mg of testosterone per week?
  • Will my testicles shrink taking 400 mg of testosterone per week?

…And much more!

Our team of experts has analyzed all of the latest data on testosterone cycles, including the latest research studies from PubMed and other health websites.

We even cover Derek from More Plates More Dates and his personal experience with 400 mg testosterone cycles…

Disclaimer: The contents of Testosterone.org are for informational and educational purposes. We do not provide legal advice. Likewise, we do not provide medical advice, diagnosis, or treatment. Please consult your physician prior to consuming any over-the-counter supplements, like a natural testosterone booster, and/or getting a prescription for a pharmaceutical medication. Your access to Testosterone.org is subject to our full disclaimer and terms of use.

What Is Testosterone? And What Does It Do?

It’s no secret that testosterone plays a huge role in men’s overall health and well-being.

Research shows men with above-average or well-above-average testosterone levels experience the following benefits:

  • More muscular physiques
  • Improved confidence with women
  • Improved athletic performance
  • Reduced body fat levels
  • Increased energy levels

…And much more!

Of course, there are additional benefits to taking supra-physiological doses of testosterone and “going beyond your natural limits.” More on that in a minute…

For now it’s important to understand that low T is a growing health problem for older and younger men all around the world [1, 2, 3, 4].

Men with low T often have [5, 6, 7]:

  • Flabby physiques
  • No confidence with women
  • Impaired sexual performance

…And a number of other health problems. For most men, the fastest way to raise their testosterone levels is to simply inject a testosterone medication at least 1 time per week.

And for experienced bodybuilders and athletes looking to get the most out of testosterone’s performance-boosting effects, 400 mg per week might be the perfect dose…

400 Mg Testosterone

Why Take 400 Mg Of Testosterone Per Week?

Let’s cut to the chase: 400 mg of testosterone per week is considered a steroid cycle. If you are interested in testosterone replacement therapy, then most doctors prefer to use a testosterone dose of 100 – 200 mg per week.

This is MORE than enough to optimize your testosterone levels, and get your total T in to the desired 800 – 1,200 ng / dl range. If you are interested in running a steroid cycle with 400 mg of testosterone per week, then keep reading…

So Why Take 400 Mg Of Testosterone Per Week?

Taking 400 mg of testosterone per week is considered a reasonably aggressive steroid cycle. Many athletes and professional bodybuilders use this kind of testosterone dosage when they are trying to make gains in the gym as fast as possible.

Of course, some athletes choose to use up to 500 – 1,000 mg of testosterone per week (or even more!). However, these higher doses also come with substantially greater side effects.

Research shows that steroid cycles with 400 mg of testosterone per week result in rapid benefits in:

  • Muscle mass
  • Muscle strength
  • Body fat levels
  • Recover from workouts

…And much more.

At this dose, you can expect your total testosterone levels to be FAR above the “safe” upper limit of 1,200 ng / dl.

The risk of side effects does increase at this kind of dosage, so you really have to monitor your blood work and cardiovascular health markers.

However, if you are determined to run 400 mg testosterone cycles, you can expect SERIOUS improvements in muscle size and strength, overall body composition, recovery from workouts, and more [10, 11, 12, 13, 14].

Who Should Take 400 Mg Of Testosterone Per Week?

Taking 400 mg of testosterone per week is NOT recommended for men on TRT, or testosterone replacement therapy.

It should only be done by experienced testosterone users who are ready to perform a more aggressive steroid cycle to “go beyond their natural limits.”

And for that, it is more than effective…

400 Mg Of Testosterone Per Week | Results

So what kinds of results can you expect while taking 400 mg of testosterone per week?

400 mg of testosterone per week is considered a very aggressive steroid cycle. Using weekly testosterone dosages this high is only recommended for experienced testosterone and steroid users. However, if you fall into this category, you can expect some seriously fast results.

Users taking 400 mg of testosterone per week often gain up to 15-20 pounds of muscle mass in the first 2-4 months!

This is an astonishing achievement, as it would take the average drug-free athlete around 2-3 years to achieve the same results. This is because 400 mg testosterone cycles allow the user to achieve blood testosterone levels well above the “safe natural limit” of 1,200 ng / dl [15].

Here are some of the other results you can expect when cycling 400 mg of testosterone per week [16, 17]:

  • Extreme changes in shoulders / traps size
  • Rapid decreases in belly fat
  • “Masculinization” of the face and jawline
  • Extremely rapid recovery from workouts
  • Improvements in confidence, libido, and sex drive

Derek from More Plates More Dates took around 400 mg of testosterone per week during his first steroid cycle, and he experienced shockingly fast results.

He says he gained over 20 pounds of muscle in just a few months! Other studies suggest you can expect the following changes within the first few weeks:

“Changes in leg press strength, leg power, thigh and quadriceps muscle volumes, hemoglobin, and IGF-I were positively correlated with testosterone concentrations, whereas changes in fat mass and plasma high-density lipoprotein (HDL) cholesterol were negatively correlated.”

In short, users taking 400 mg of testosterone per week can expect extremely rapid changes in muscle mass and strength, overall body composition, and overall athletic performance.

Changes can be felt in the first 1-2 weeks, and last for the duration of the cycle.

400 Mg Testosterone

400 MG Of Testosterone Per Week | Side Effects

What side effects should you expect while cycling 400 mg of testosterone per week?

The truth is 400 mg of testosterone per week is a relatively aggressive steroid cycle. Many professional bodybuilders like Stan Efferding actually use less than this while preparing for their bodybuilding competitions!
Users taking 400 mg per week should look out for [18, 19, 20]:

  • Heart, liver, and kidney damage
  • Decreased natural testosterone production
  • Reduced sperm count and infertility
  • Cardiovascular damage
  • Increased blood pressure

Other side effects include gynecomastia, acne, “roid rage,” and more. Users interested in using 400 mg of testosterone per week should perform extensive research on the benefits and risks of long-term anabolic steroid use.

They should also carefully plan out their post-cycle therapy protocol to minimize long-term side effects.

How To Inject 400 Mg Of Testosterone Per Week

So how do you actually inject testosterone?

Let’s start by talking about how often you should inject, followed by the actual steps for injecting testosterone.

Most testosterone doctors recommend injecting at least once per week. Based on the latest scientific studies, 1-3 times per week seems to be optimal [21]. In the past doctors recommended injecting once every 2 weeks, but this results in wild fluctuations in blood testosterone levels and is NOT recommended.

Here are some examples for how you could split up your weekly testosterone dose:

  • Option #1: 400 mg one day per week
  • Option #2: 200 mg two days per week
  • Option #3: 133 mg three days per week

Of course, this is assuming you want to take a total of 400 mg per week. If you are taking 400 mg of testosterone per week, then chance are you are not working with a TRT doctor… if that’s the case, we recommend injecting 2-3 times per week to minimize the risk of side effects like “gyno.”

Once you figure out your optimal injection frequency, all you have to do is follow these steps:

  • Step #1: Wash your hands – this is necessary to prevent infections
  • Step #2: Draw up a dose – this entirely depends on how often you are injecting. For example, if you are injecting twice per week (and taking a total of 400 mg per week), then you would draw up a dose of 200 mg.
  • Step #3: Aspirate the syringe – this is necessary to prevent air bubbles from forming in the syringe.
  • Step #4: Prepare the injection site – all you have to do here is wipe the injection site with a sterile alcohol pad.
  • Step #5: Inject the testosterone dose – hold the syringe at a 90 degree angle to the application site, plunge the syringe into the flesh, pull back slightly, and depress the plunger.
  • Step #6: Remove the needle – after performing your injection, remove the needle from the injection site.

We recommend injecting into the glutes, deltoids, or any other large / bulky muscle. Most testosterone users get good results injecting into the glutes, so we recommend starting there.

Subcutaneous injections are also possible, but they have less research so we recommend avoiding them for the time being [22, 23].

400 Mg Testosterone

How To Buy Testosterone Online | MUST Read

How do you buy testosterone online? And is it even legal to do so? These are great questions…

The truth is it’s illegal to buy testosterone online without a prescription in most countries. For example, the United States, Canada, Australia, and most of Europe has laws prohibiting you from buying testosterone online without a doctor’s prescription.

The other issue with buying testosterone online is most online vendors sell inferior quality products filled with cheap fillers [24].

So what’s the solution? For most people, we recommend working with a reliable online TRT clinic. Here are some of the benefits you experience when working with an online TRT doctor:

  • You get a pharmaceutical-grade testosterone medication
  • It is 100% legal, as they give you a testosterone prescription
  • Your doctor monitors all of your bloodwork for you
  • They customize your treatment plan to maximize your results

As an added bonus, your online TRT doctor will monitor for side effects such as gyno, cardiovascular disease, and liver damage. This is important, as many people who start taking testosterone themselves without proper supervision end up experiencing nasty side effects [25, 26, 27].

Fortunately, it’s very easy to get started with an online TRT clinic. Most clinics use the following steps with new patients:

  • Step #1: Fill out an online “low T” questionnaire and go over the results with your doctor.
  • Step #2: Perform a blood test at a local facility to measure your exact testosterone levels.
  • Step #3: Go over the results with your doctor, get your customized TRT treatment plan, and have your prescription testosterone medication shipped straight to your door!

It’s that easy! Your online TRT doctor will even ship your prescription testosterone medication directly to your door.

In other words, you can get started on testosterone replacement therapy without ever setting foot in a regular doctor’s office. How cool is that!?

If you’re interested in working with the best online TRT doctor in the United States, then click on the following link to learn more:

Sign up for TRT today with our top-rated USA doctors...

Best Natural Test Boosters | That Actually Work

Testosterone injections are considered the “gold standard” treatment option for men trying to raise their total testosterone levels. Other solutions like natural testosterone boosters are extremely ineffective and unreliable.

This isn’t just our opinion though – the latest research studies clearly show that natural testosterone boosters are filled with ineffective ingredients and cheap fillers.

Here are some facts you need to know about the so-called over-the-counter testosterone boosting supplements:

  • They have little to no research backing them [28]
  • They may have dangerous long-term side effects [29]
  • They do a very poor job of actually raising your testosterone levels [30]

Why would anyone take these supplements if they are so ineffective? Your guess is as good as mine!

Fortunately, there is one natural testosterone boosting supplement that actually produces results in the real world: Maximus Tribe.

If you haven’t heard of Maximus Tribe before, then you’re not alone: this breakthrough supplement was only recently discovered by researchers.

The main ingredient in Maximus Tribe is a pharmaceutical-grade ingredient called enclomiphine. This drug is a purified, concentrated version of the original testosterone boosting drug clomid.

Research shows that enclomiphine literally “tricks” your brain into producing more testosterone in the testes. In fact, research shows that Maximus Tribe can boost men’s testosterone levels by as much as 200 – 300 points [31, 32, 33]!

This is a dramatic difference, and more than enough for most men to most men to see a dramatic difference in how they look and feel.

Best of all, Maximus Tribe has virtually zero side effects. All you have to do is take one small pill with breakfast or dinner. If you are ready to transform your life with Maximus Tribe, then here is where you can learn more:

Order Testosterone Booster from our top-rated USA vendor...

Is 400 Mg Of Testosterone Per Week Enough? Verdict

So what’s the verdict… what kind of results can you expect while taking 400 mg of testosterone per week?

400 mg of testosterone per week is considered a very aggressive steroid cycle. Men taking 400 mg per week can expect some SERIOUS results in terms of size and strength gains, as well as improved recovery ability from intense workouts.

Most men cycling 400 mg of testosterone per week are able to gain 15-20+ pounds of pure muscle mass in the first 12 weeks!

Of course, there is a greater risk for side effects when taking testosterone doses this large. We recommend working with an experienced online TRT clinic to get around this issue, as they will be able to monitor your bloodwork to keep you healthy.

If you would rather take a powerful over-the-counter testosterone boosting product, then Maximus Tribe is a great choice.


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