Test 400 for Bodybuilding: Cycle, Benefits, and Side Effects

Test 400 is a potent anabolic steroid commonly used to enhance muscle growth and strength in bodybuilding cycles. Comprising a blend of testosterone compounds (Testosterone Enanthate, Testosterone Cypionate, Testosterone Propionate), it delivers rapid results, making it popular among experienced bodybuilders. 

The cycle duration typically ranges from 8 to 16 weeks, with users administering this anabolic injection to maintain stable testosterone levels. The benefits include increased protein synthesis, nitrogen retention, and improved red blood cell production. 

However, users should be aware of potential side effects, such as aromatization leading to estrogen-related issues and health risks like cardiovascular strain, acne, and hair loss.

In this article, we’ll provide insights into the cycle, benefits, and potential side effects of Test 400 in bodybuilding.

What is Test 400

Test 400 is a powerful anabolic steroid blend comprising various testosterone esters, delivering a total of 400 milligrams per millilitre. This combination includes testosterone propionate at 100mg/ml, testosterone enanthate at 250mg/ml, and testosterone cypionate at 250mg/ml.

The number 400 denotes the concentration of testosterone in the product. Athletes and bodybuilders may consider it for performance enhancement, but it’s vital to recognize the associated health risks.

Test 400: Development and Composition

Testosterone is the Test 400 is an anabolic steroid widely embraced in bodybuilding and athletic circles and has roots dating back to the mid-20th century. Scientists aimed to replicate testosterone’s effects, which are pivotal for muscle growth and physical performance. 

It led to Test 400’s formulation, blending various esterified testosterone variants, including propionate, enanthate, and cypionate. The “400” signifies the concentration of each testosterone ester. This unique composition ensures a sustained release in the body, with different esters offering varied half-lives for stable and prolonged testosterone elevation. 

According to “Pharmacology of Testosterone Replacement Therapy Preparations by Jennifer J. Shoskes,” Test 400 is strictly prescription-based, designated for medical contexts like testosterone replacement therapy. 

Despite its medical role, its potency has sparked interest among some athletes and bodybuilders seeking performance enhancement, even though its use in sports remains unauthorized.

What is Test 400 Used for?

Test 400 is primarily used for enhancing muscle mass, strength, burning body fat, and faster recovery from workouts. Individuals, especially bodybuilders and athletes, commonly seek it to increase muscle mass and improve physical performance.

This anabolic steroid contains a blend of testosterone esters designed to optimize the release of testosterone into the bloodstream. 

How Does It Work for Bodybuilding

How Does It Work for Bodybuilding

Test 400 works for bodybuilding by facilitating muscle mass development, enhancing strength, and improving endurance. 

According to “Links Between Testosterone, Oestrogen, and the Growth Hormone/Insulin-Like Growth Factor Axis and Resistance Exercise Muscle Adaptations by Nima Gharahdaghi” The combination of different testosterone esters in Test 400 promotes protein synthesis, aiding in the growth and repair of muscle tissues. 

This results in increased muscle mass over time. Moreover, the elevated testosterone levels enhance strength, allowing for more intense and effective workouts. Additionally, Test 400 plays a pivotal role in increasing the red blood cell count optimizing oxygen transport to muscles, thereby promoting heightened endurance. 

Furthermore, elevated testosterone levels facilitate an increase in Insulin-Like Growth Factor 1 (IGF-1), fostering strength gains and aiding in the efficient recovery of muscles post-exercise.

Related: Testosterone Enanthate for Bodybuilding

Test 400 Dosage

For males, the prescribed dosage of Tesosterone 4000 ranges from 400 mg to 1200 mg per week, tailoring the amount to individual health considerations. On the other hand, females are advised to stick to a dosage between 150 and 250 mg per week.

This balanced dosage strategy offers flexibility, catering to the diverse requirements of those aiming to boost muscle development and optimize performance.

Test 400 Cycle

For optimal results in a Test 400 cycle, males and females generally follow a process ranging from 8 to 20 weeks. The sweet spot tends to be around 12 weeks, striking a balance between achieving desired outcomes and mitigating potential risks linked to extended steroid usage.

Learn more: Optimal Testosterone Cycle

Test 400 Stacks

To optimize results, it’s often paired with other injectable anabolic steroids like Deca Durabolin, Equipoise, or Trenbolone. For those pursuing more intense outcomes, a mix of injectables and orals such as Dianabol, Turinabol, Anadrol, and Winstrol is recommended. 

To counter potential side effects, aromatase inhibitors like Arimidex, Nolvadex, or Aromasin are advised, ensuring a seamless and effective steroid regimen.

Benefits of Tri Test 400

Benefits of Tri Test 400

Here are five advantages of incorporating Test 400 into a fitness regimen:

1. Muscle Mass and Strength Gains

Test 400 is well-known for its ability to stimulate muscle protein synthesis, leading to significant gains in muscle mass and strength. Users often experience enhanced workout performance and quicker recovery times. Testosterone injections are often used to assist increase lean muscle mass and repair muscle tissue after exercise.

2. Increase IGF – 1 Levels

The testosterone compounds in Test 400 can stimulate the production of red blood cells, improving oxygen transportation to muscles. It can enhance endurance and reduce fatigue during intense physical activities.

3. Fat Loss

Higher testosterone levels can reduce fat loss by promoting a more favourable body composition. According to “Effects of testosterone treatment on body fat and lean mass in obese men on a hypocaloric diet: a randomized controlled trial by Mark Ng Tang Fui,” Test 400 users may experience a reduction in body fat percentage, especially when combined with a proper diet and exercise routine.

4. Improved Mood and Well-being

Testosterone plays a role in mood regulation, and users may experience improved overall well-being and a more positive outlook on life. It is attributed to the psychological effects of balanced hormone levels.

5. Libido and Sexual Performance

Testosterone is a crucial hormone for sexual health. Users of Test 400 often report an improvement in libido and overall sexual performance due to elevated testosterone levels.

Before and After Results

Witness the remarkable transformation that can occur when you integrate Test 400 into your dedicated bodybuilding regimen. If you struggle to overcome a strength plateau and add muscle mass, this might be the game-changer you’ve been searching for.

After a consistent 8-week cycle of Test 400, you’ll likely experience a significant surge in strength and muscle size. Watch as your bench press and squat numbers skyrocket, unveiling a physique that reflects the true potential of Test 400 in enhancing overall muscle growth and performance.

Side Effects of Test 400

Here are five potential side effects associated with the use of Test 400 for bodybuilders:

1. Hormonal Imbalance

Test 400 contains a high concentration of testosterone, which can disrupt the natural hormonal balance in the body. It may lead to an increase in estrogen levels and potentially cause side effects related to hormonal imbalances.

2. Cardiovascular Effects

Elevated testosterone levels can impact lipid profiles, potentially increasing LDL cholesterol and decreasing HDL cholesterol. According to “Testosterone and the Heart by Travis Goodale” This may increase cardiovascular risk.

3. Gynecomastia

The elevated levels of testosterone in Test 400 can lead to an increase in estrogen, potentially causing the development of breast tissue in males (gynecomastia).

According to “Gynecomastia: Etiology, Diagnosis, and Treatment by Ronald S. Swerdloff,” Anti-estrogen medications may be used to counteract this effect.

4. Suppression of Natural Testosterone Production

The exogenous testosterone in Test 400 can suppress the body’s natural testosterone production. It may result in testicular atrophy and a dependency on external sources for testosterone. Moreover, When taken in high doses, it may lower sperm count.

5. Hair Loss

Testosterone is converted to dihydrotestosterone (DHT), associated with hair loss. Individuals predisposed to male pattern baldness may experience accelerated hair loss.

Note: Using post cycle therapy products such as Clomid or Nolvadex can help to reduce the side effects after a testosterone cycle.

Read more on the side effects of Testosterone here: Testosterone Side Effects in Male & Female

Where Can I Buy Test 400 Online in Canada?

Where Can I Buy Test 400 Online in Canada?

If you’re wondering where to buy Test 400 online in Canada, look no further than This trusted online shop has become a top choice for bodybuilders seeking high-quality products at reasonable prices. 

With a reputation for reliability and customer satisfaction, it is the go-to source for those in search of genuine and effective supplements.

When it comes to ensuring you receive the best for your bodybuilding needs, stands out as a reliable and reputable option in the online market.


How Safe is Test 400?

Test 400 is safe when used responsibly. To ensure your well-being, stick to recommended dosages and consult a healthcare professional before starting any regimen.

Test 400 is not legal for human use in Canada when intended for performance gains. This restriction is in place due to significant health risks associated with its use, including the potential for heart attacks, strokes, and liver damage. Individuals must be aware of these legal limitations and prioritize their well-being when considering the use of such substances.

Is Test 400 Good for the Bulking Phase?

Yes, Test 400 is practical for bulking. Combining various testosterone esters in one formula provides a sustained release, optimizing muscle growthโ€”the higher concentration streamlines injections, offering convenience. Users often experience notable gains in strength and size during bulking cycles with Test 400.

Is Test 400 Suitable for Beginners?

Yes, for beginners, opting for a milder testosterone ester like Testosterone Propionate is recommended. With a relative testosterone content of 0.84, it boasts lower potency than other esters. The shorter ester chain enables faster metabolism, facilitating quicker clearance from the body within 2-3 days.

Final Thoughts

Testosterone 400 has gained popularity in the bodybuilding community for its high concentration of testosterone. It enhances muscle growth and physical performance. Developed with testosterone variants like propionate, enanthate, and cypionate, it ensures a sustained release for prolonged elevation. 

Despite medical origins, athletes may seek its benefits. Recommended dosage ranges from 400-1200 mg/week for 8-20 weeks. Stacks with other steroids optimize results, and benefits include muscle gains, increased red blood cell production, fat loss, mood improvement, and enhanced libido. 

However, potential side effects include hormonal imbalance, cardiovascular outcomes, gynecomastia, testosterone suppression, and hair loss. Reliable online sources like offer Test 400 for bodybuilders in Canada.


  • Onset of effects of testosterone treatment and time span until maximum effects are achieved (November 5, 2011) Farid Saad, Antonio Aversa, Andrea M Isidori, Livia Zafalon, Michael Zitzmann, and Louis Gooren
  • The hydrocortisone test (400 mg hydrocortisone test) for the study of the “recirculating” lymphocyte population. Tests of patients with lymphoproliferative diseases and solid neoplasms (March 17, 1981) C Loni, G F Bertoncini, G Tortelli, G Lolli, A Bianchini, E Paolini, P Tolaini
  • The effect of short-term use of testosterone enanthate on muscular strength and power in healthy young men (May 21, 2007) Shane Rogerson, Robert P Weatherby, Glen B Deakin, Rudi A Meir, Rosanne A Coutts, Shi Zhou, Sonya M Marshall-Gradisnik
  • A phytosterol-enriched saw palmetto supercritical CO2 extract ameliorates testosterone-induced benign prostatic hyperplasia by regulating the inflammatory and apoptotic proteins in a rat model (17 October, 2019) Heggar V. Sudeep, Karempudi Venkatakrishna, Ballal Amrutharaj, Anitha & Kodimule Shyamprasad

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