

Drug Class: Anabolic Androgenic Steroid (AAS)
Active Substance: Testosterone Cypionate
Strength: 250 mg/mL
Amount: 10 mL Vial
Active Life: 8–10 Days
Average Dose: 300–750 mg/week
Liver Toxicity: None
Aromatization Rate: High
Anabolic Rate: 100
Androgenic Rate: 100
Manufacturer: Axiolabs
Testaplex C 250 by Axiolabs is a pharmaceutical-grade injectable anabolic steroid that contains 250 mg/mL of Testosterone Cypionate. Known for its stable half-life and strong anabolic properties, it's widely used by both athletes and patients undergoing testosterone replacement therapy (TRT). This long-ester testosterone is ideal for users looking for sustained performance, lean muscle gain, and hormonal balance with fewer injections per week.
Testosterone Cypionate is one of the most prescribed testosterone esters in the United States due to its predictable release and extended duration. With an active half-life of 8–10 days, it allows for convenient dosing schedules while maintaining stable testosterone levels. As noted in this clinical review on testosterone therapy, this ester has proven efficacy for both athletic enhancement and hormonal restoration.
Testaplex C 250 is often used in both solo cycles and as a base compound in advanced stacks. Dosing typically falls within:
For smoother hormonal balance and optimal gains, users often stack it with Equiplex Forte 300 (Boldenone), or with Oxandroplex 10 for a leaner anabolic profile.
This testosterone base is suitable for users at all levels. For early-cycle results, kickstarting with orals like Methanoplex 20 may provide rapid strength and weight increases.
Because Testosterone Cypionate aromatizes into estrogen, side effects like water retention, gynecomastia, and elevated blood pressure may occur. These risks increase with higher doses. An aromatase inhibitor (AI) like Exeplex or Letroplex can be used to control estrogen levels effectively during the cycle.
Despite its strong anabolic benefits, Testosterone Cypionate is not hepatotoxic. It is, however, suppressive of natural testosterone, requiring proper PCT planning post-cycle.
PCT should begin around 14–21 days after the final injection due to the ester's extended half-life. A typical protocol includes:
hCG may also be used during the last weeks of the cycle to restore testicular function and improve PCT success rates. Without PCT, natural testosterone production may take months to return to baseline.
Bodybuilders and TRT users alike trust this 250 mg/mL Testosterone Cypionate formula for its consistency and authenticity. Delivered from a verified supplier, it's one of the most popular testosterone esters used across U.S. cycles and clinics.
Testaplex C 250 is a foundational injectable for any serious athlete or individual seeking hormonal optimization. With decades of proven performance and a user-friendly ester profile, it remains one of the most reliable options in the Axiolabs catalog for sustainable muscle growth, strength improvement, and enhanced well-being.
It is typically injected twice weekly (e.g., Monday and Thursday) to maintain stable testosterone levels and minimize hormone fluctuations.
Yes, it is often used in TRT protocols due to its long-acting ester. Doses are much lower for TRT (100–200 mg/week) compared to bodybuilding cycles.
Yes. Testosterone Cypionate aromatizes into estrogen, so users often require AIs like Exeplex or Letroplex to prevent estrogenic side effects.
Most users notice strength and libido improvements within 2–3 weeks, with significant muscle gains developing over 6–10 weeks.
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Drug Class: Injectable Androgen / Anabolic Steroid (TNE)
Active Substance: Testosterone Suspension (no ester)
Strength: 100 mg/mL
Amount: 10 mL Vial
Active Life: ~24 hours
Average Dose: 50–100 mg/day
Liver Toxicity: Low
Aromatization Rate: High
Anabolic Rate: 100
Androgenic Rate: 100
Manufacturer: Axiolabs
Drug Class: Injectable Androgen/Anabolic Steroid
Active Substance: Testosterone Propionate
Strength: 100 mg/mL
Amount: 10 mL Vial
Active Life: 2–3 days
Average Dose: 100 mg every other day
Liver Toxicity: Low
Aromatization Rate: Moderate to High
Anabolic Rate: 100
Androgenic Rate: 100
Manufacturer: Axiolabs
Drug Class: Anabolic Androgenic Steroid (AAS)
Active Substance: Testosterone Enanthate
Strength: 250 mg/mL
Amount: 10 mL Vial
Active Life: 8–10 Days
Average Dose: 300–750 mg/week
Liver Toxicity: None
Aromatization Rate: High
Anabolic Rate: 100
Androgenic Rate: 100
Manufacturer: Axiolabs
Drug Class: Anabolic Androgenic Steroid (AAS)
Active Substances:
- Testosterone Propionate 42 mg
- Testosterone Isocaproate 84 mg
- Testosterone Phenylropionate 84 mg
- Testosterone Decanoate 140 mg
Strength: 350 mg/mL
Amount: 10 mL Vial
Active Life: 3–21 Days (Blend)
Average Dose: 350–700 mg/week
Liver Toxicity: None
Aromatization Rate: High
Anabolic Rate: 100
Androgenic Rate: 100
Manufacturer: Axiolabs
Drug Class: Anabolic Androgenic Steroid (AAS)
Active Substances:
- Testosterone Acetate 30 mg
- Testosterone Propionate 73 mg
- Testosterone Phenylropionate 73 mg
- Testosterone Cypionate 125 mg
- Testosterone Decanoate 147 mg
Strength: 450 mg/mL
Amount: 10 mL Vial
Active Life: 2–21 Days (multi-ester)
Average Dose: 450–900 mg/week
Liver Toxicity: None
Aromatization Rate: High
Anabolic Rate: 100
Androgenic Rate: 100
Manufacturer: Axiolabs