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Z400
$105.00
Z400 stands out as a unique fusion, bringing together the potent qualities of Testosterone Cypionate and Testosterone Enanthate esters. This groundbreaking blend ensures a swift ascent to peak testosterone levels, followed by a methodical and extended distribution. Embracing the benefits of Testosterone 400 enables you to attain an ideal equilibrium and unwavering uniformity in your hormonal profile, fostering a balanced and serene hormonal ambiance throughout your body.
Generic Name:
Testosterone Enanthate + Testosterone Cypionate 400mg/ml
Compound Information:
Molecular Weight: N/A
Formula: N/A
Anabolic Rating: 100
Androgenic Rating: 100
In stock
Product Description
Unsurpassed Strength Enhancement
Flex Pharma’s Z400 stands out for its remarkable capacity to boost strength by promoting muscle growth and reducing subcutaneous fat. The resulting increase in power output can lead to impressive advancements in overall strength levels. However, the magnitude of strength gains achieved through Testosterone may vary depending on individual factors such as training routine, dietary habits, and initial strength levels. It is essential to consider these variables, as they play a significant role in determining the extent of strength improvement with the use of Testosterone.
Optimized Lean Tissue Growth
Since its introduction to the bodybuilding domain, Testosterone has been employed to achieve notable gains in lean muscle mass. By binding to the androgen receptor, it initiates a sequence of reactions that promote protein synthesis and enhance nitrogen retention, crucial processes for fostering muscle growth. Furthermore, Z400 helps minimize catabolism, the breakdown of muscle tissue, enabling individuals to safeguard their hard-earned gains. This esteemed anabolic substance serves as a reliable companion for those aiming to achieve and maintain a well-defined, functional, and lean physique.
Elevated Protein Synthesis
Scientifically validated for its capacity to stimulate protein synthesis, Z400 plays a key role in promoting muscle mass growth. This natural process facilitates efficient and substantial gains in strength and size. The transformative effects of Testosterone use are typically noticeable within weeks of starting a cycle, as it accelerates the metabolic rate and contributes to the development of a more sculpted physique. This hormone serves as an efficient and secure method for individuals looking to build muscle effectively while prioritizing their overall health and well-being.
Z400 Expedited Muscle Recovery
Z400 enhances the synthesis of proteins within the muscles, speeding up the process of building and repairing damaged muscle fibers. This heightened protein synthesis significantly boosts the body’s restorative capabilities, facilitating a faster recovery process. Additionally, Testosterone possesses valuable anti-inflammatory properties that effectively reduce muscle swelling and soreness, further expediting the healing process. By leveraging these mechanisms, Testosterone acts as a catalyst for accelerated recovery, enabling individuals to recover more swiftly from physical exertion and optimizing their overall performance.
Dosage (Male)
400-1200mg per week
Dosage (Female)
50-100mg per week
Dosage Frequency
Every 3-4 days (for 8-16 weeks)
Dosage Type
Intramuscular injection
Active Half-Life
Approximately 8-12 days
Chemical Name
N/A
Stack With…
Lean Gains: Trenbolone Acetate, Masteron Propionate, NPP, Anavar, Turinabol, Primobolan, Clenbuterol, Zio Shredz
Bulk: Equipoise, Deca Durabolin, Dianabol, Anadrol, Superdrol
Need Help With the
Correct Peptide Mix?
Our peptide mixing calculator takes the guesswork out of dosing, giving you an exact, easy-to-follow guide based on your vial, syringe, and target dosage. Whether you’re new to peptides or simply want to double-check your math, we’ve made it simple and straightforward.
Just enter your total syringe volume, the amount of peptide in your vial, how much water you’re adding, and your desired peptide dose. The calculator will do the rest — making sure you get accurate measurements for safe, consistent use every time.
For A MCG Dose, Draw Up To Tick Mark .
These ranges are general, research-use suggestions to help you prepare your peptides. This calculator and recommended doses are not medical advice. Start low, assess tolerance, and adjust cautiously.
Dosage (Male)
400-1200mg per week
Dosage (Female)
50-100mg per week
Dosage Frequency
Every 3-4 days (for 8-16 weeks)
Dosage Type
Intramuscular injection
Our Guide to
Intramuscular Injection
Gather Your
Equipment
If you’re new to the process of injection, ensure you have all the essential supplies at your disposal before commencing. This includes the injectable substance, a sterile disposable syringe and needle, alcohol wipes, a secure container for proper needle disposal, cotton balls or gauze pads for cleansing, and optionally, a mirror for self-injection, if required. Having these items readily available ensures a seamless and uninterrupted injection process. It is vital to prioritize safety and efficiency to position your body optimally for health and longevity.
Compound
Extraction
Once all the necessary materials are assembled, proceed to extract the substance from the vial. Keep the vial upright, slowly pull back the plunger to draw the prescribed dosage into the syringe. Be careful to extract the exact amount prescribed, adhering to the instructions provided by your healthcare professional. After filling the syringe, gently tap it to dislodge any air bubbles. If any air bubbles are present, push the plunger up slightly to eliminate them, ensuring that only the specified amount of the substance is in the syringe. Familiarize yourself with the proper injection depth before advancing to the next step.
Preparation Before
Injection
Before administering your injection, choose a well-lit and clean area. Prior to starting, wash your hands thoroughly with soap and water to maintain hygiene. Once your workspace is prepared, ready the injection site, which could be the buttocks (gluteal muscles), thighs, or upper arm (deltoid muscle). Seek guidance from your healthcare provider on the appropriate site. Regardless of the chosen site, use an alcohol wipe to cleanse it, removing any dirt, oils, or contaminants. Allow the area to air dry completely after the cleaning process.
Compound
Administration
With the syringe prepared, it’s time to administer the injection. Hold the prepared syringe and carefully insert the needle into the designated injection site. Once the needle is inserted at the correct depth, pull back slightly on the plunger to confirm that you haven’t hit a blood vessel. If blood appears in the syringe, retract the needle and attempt again with a new needle tip. Assuming there is no blood, steadily and slowly push the plunger to inject the substance. Take your time to ensure a controlled and comfortable administration of the injection. After the full dosage is administered, withdraw the needle from the injection site.
Incorporate Z400 Into a Stack
Z400 and various testosterone formulations play a fundamental role in the foundation of numerous steroid combinations. The practice of stacking steroids is widespread among bodybuilders and athletes, enabling them to enhance the effects of their cycles. When the goal is substantial gains in size and strength, it is recommended to combine Testosterone with other injectable anabolic steroids like Deca Durabolin, Equipoise, or Trenbolone.For those aspiring to achieve extraordinary results, a blend of injectable and oral steroids such as Dianabol, Turinabol, Anadrol, and Winstrol is advised. To optimize your steroid stack, it is highly advisable to integrate an estrogen blocker or aromatase inhibitor, such as Arimidex, Nolvadex, or Aromasin, with all forms of Testosterone. This precautionary step is crucial for achieving optimal results by mitigating potential side effects related to estrogen conversion. By incorporating an aromatase inhibitor, you can continue to reap the benefits of anabolic steroids without concern about unwanted effects, ensuring a smoother and more enjoyable experience throughout your cycle.
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Usage Guidelines
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When to Take it
Seek Guidance From a Medical Professional
Before contemplating the usage of anabolic steroids, it’s essential to seek advice from a qualified healthcare professional. They can evaluate your general health, discuss possible risks and advantages, and offer personalized guidance based on your specific needs.
Get High-Quality Items From Trusted Sources
Make sure to procure anabolic steroids from trustworthy sources to reduce the likelihood of receiving counterfeit or tainted products. Only buy from reliable suppliers who adhere to quality control standards and have a favorable reputation within the community.
Start Slow and Progress Gradually
If you opt to incorporate anabolic steroids, it is recommended to initiate the regimen with the smallest effective dosage. Incrementally raise the dosage if required, while closely monitoring your body’s reactions and any potential adverse effects.
Prioritize Proper Post-Cycle Therapy
Following the conclusion of a steroid cycle, it’s crucial to engage in a thorough post-cycle therapy routine. This aids in restoring natural hormone production, minimizing side effects, and preserving overall health and well-being.
When to Take it
Customer Reviews
Always as expected
Great guys fast to respond and answer any questions at length. Strongly recommend
Tue Oct 27 2026 01:30:05 GMT+0000 (Coordinated Universal Time)
Sooo happy !
Fast shipping and exactly what I want
Wed Oct 21 2026 16:49:53 GMT+0000 (Coordinated Universal Time)
Great products
All products, doesn't matter which brand are top tier!
Sun Oct 11 2026 17:13:55 GMT+0000 (Coordinated Universal Time)
Gtg
Enanthate cypionate blend is good to go! 10/10
Mon Sep 28 2026 11:38:59 GMT+0000 (Coordinated Universal Time)
Awesome products
Great fast service and shipping
Tue Aug 04 2026 04:45:37 GMT+0000 (Coordinated Universal Time)
Cocktail Ingredients
As per everytime, another perfect order… and that’s…. just Perfect!
“Curt Hennig”
Mon Aug 03 2026 21:39:31 GMT+0000 (Coordinated Universal Time)
Z400
Super clean works great love the MCT carrier
Tue Jul 07 2026 04:05:54 GMT+0000 (Coordinated Universal Time)
