

Drug Class: Anabolic-Androgenic Steroid
Composition: Testosterone Undecanoate
Dosage: 250 mg/mL
Unit: 10 mL Vial
Brand: Dragon Pharma
For Intramuscular Injection
For bodybuilders, athletes, and TRT users in the USA who value convenience and stable hormone levels above all else, Dragon Pharma's Undecanoate 250 represents the pinnacle of long-acting testosterone therapy. This sophisticated formulation contains Testosterone Undecanoate, which boasts the longest ester chain of any commercially available testosterone, resulting in an remarkable 16-20 day half-life. Unlike shorter esters that require weekly or bi-weekly injections, Undecanoate 250 provides sustained, stable blood levels with injections as infrequent as every 2-3 weeks, making it the ultimate choice for those seeking minimal injection frequency without compromising on results.
The extended release profile of Testosterone Undecanoate offers unique advantages that shorter esters cannot match. By providing a slow, consistent release of testosterone over several weeks, it eliminates the hormonal "peaks and troughs" associated with more frequent injections, leading to more stable mood, energy levels, and estrogen management. Dragon Pharma's advanced manufacturing ensures this high-concentration, long-ester formulation remains stable and sterile, delivering reliable performance with every injection.
Testosterone Undecanoate provides all the classic benefits of testosterone with several distinct advantages due to its unique pharmacokinetics.
The extended half-life of Undecanoate 250 requires a different approach to dosing compared to traditional testosterones.
It's crucial to understand that due to the long ester, it takes several weeks to reach stable blood levels. Patience is required during the initial phase of treatment.
Undecanoate 250 serves as an excellent base for various cycle designs, particularly those focused on long-term growth and minimal injection frequency.
While Testosterone Undecanoate provides the same active hormone as other testosterones, its extended release profile affects the manifestation and management of side effects. According to research published by the U.S. National Library of Medicine, testosterone therapy side effects include:
Formulating a stable 250 mg/mL concentration of Testosterone Undecanoate presents significant technical challenges due to the compound's chemical properties. Dragon Pharma's pharmaceutical expertise ensures that Undecanoate 250 remains properly suspended and delivers consistent dosing. The convenience of this product cannot be overstated—imagine achieving stable, therapeutic testosterone levels with just one injection every 2-3 weeks. For the bodybuilder who values their time, minimizes discomfort, and seeks the most advanced testosterone formulations available, Undecanoate 250 represents the ultimate expression of modern anabolic convenience and efficacy.
Name: Testosterone Undecanoate
Drug Class: Anabolic-Androgenic Steroid
Other common names and terms: Nebido (Pharmaceutical), Long-Acting Testosterone
Active Life: 16-20 days
Detection Time: 3-4 months
Chemical Structure: 4-androsten-3-one-17β-ol Undecanoate
Common Doses: 250-750 mg every 10-21 days
Blood pressure: Can increase
Acne: Yes
Water retention: Yes (Estrogen-dependent)
Aromatisation: Yes (High)
Liver toxicity: No
Decrease HPTA function: Yes (Extended suppression)
Due to its exceptionally long half-life, Testosterone Undecanoate takes significantly longer to reach stable blood levels compared to other esters. It typically requires 2-3 injection cycles (approximately 6-8 weeks) to achieve steady-state concentration in the bloodstream. This is why some users implement a front-loading protocol with a higher initial dose to reach therapeutic levels more quickly. Patience during the initial phase is crucial for optimal results.
While possible, Undecanoate 250 is not ideal for a first cycle. The long half-life makes it difficult to make quick adjustments if side effects occur or if you need to discontinue use. For beginners, a shorter ester like Enantat 250 or Cypionat 250 is recommended because it clears the system faster, allowing for quicker resolution of side effects and more flexible cycle planning. Undecanoate is better suited for experienced users familiar with testosterone therapy.
The primary advantage is dramatically reduced injection frequency. While Enanthate and Cypionate require injections every 3.5-7 days to maintain stable levels, Undecanoate can maintain therapeutic levels with injections every 10-21 days. This means 2-4 times fewer injections over a typical cycle. Additionally, the extremely stable blood levels may result in fewer hormonal fluctuations and potentially more manageable side effects related to estrogen and mood.
Due to the very long half-life, you must wait significantly longer before starting Post Cycle Therapy compared to other testosterones. It's recommended to wait 4-5 weeks after your last injection of Undecanoate 250 before beginning PCT with Clomid and Nolvadex. Starting PCT too early will be ineffective because the long-acting ester will still be releasing testosterone and suppressing your natural production. This extended waiting period is crucial for a successful recovery.
Testosterone Undecanoate has a higher melting point than shorter esters, which can make it more prone to crystallization, especially in cooler temperatures. This is a normal physical property of the compound, not a manufacturing defect. If crystallization occurs, simply warm the vial gently under warm running water or in a warm water bath and shake vigorously until the crystals completely dissolve. Dragon Pharma's advanced formulation minimizes this issue, but proper storage at room temperature is recommended.
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Drug Class: Anabolic-Androgenic Steroid
Composition: Testosterone Cypionate
Dosage: 250 mg/mL
Unit: 10 mL Vial
Brand: Dragon Pharma
Laboratory Test: View Latest Lab Report
For Intramuscular Injection
Drug Class: Anabolic Steroid
Composition: Nandrolone Decanoate
Dosage: 300 mg/mL
Form: Injectable Solution
Unit: 10 mL Vial
Brand: Dragon Pharma
Laboratory Test: View Lab Report
For Intramuscular Injection