

Manufacturer: Axiolabs
Pharmaceutical name: Testosterone Cypionate
Pack: 10 ml vial (250 mg/ml)
Active Life: 15-16 days
Average Dose: Men 250-1000 mg/week
Water Retention: Yes, high
Liver Toxic: Low, except in mega dosages
Aromatization: Yes, high
If you're aiming for consistent strength gains, Testaplex C 250 is a top-tier choice from Axiolabs. This 250 mg/ml Testosterone Cypionate formula delivers steady hormone levels with minimal injections—ideal for athletes, bodybuilders, and anyone seeking reliable performance enhancements.
Unlike shorter esters that peak and dip, Testaplex uses a long-acting Cypionate ester. That means you only need to inject once a week to keep testosterone levels elevated—no spikes, no crashes. With Axiolabs' strict purity controls, you're getting a clean, lab-verified option to support lean mass, muscle recovery, and training volume.
Once injected, testosterone enters your bloodstream and boosts protein synthesis, nitrogen retention, red blood cell count, and overall anabolic activity. It helps you train harder, recover faster, and maintain elevated energy throughout the day—even on rest days.
"My lifts bottom-lined week 2 and kept climbing," says Luke, who ran 500 mg/week over 8 weeks. "Recovery and strength stayed strong with minimal soreness." With built-in purity verification, he never worried about bunk or hormone crashes.
Looking for guidance on stacking? Check out Deca 300 mass cycles. Curious about shorter ester protocols? Read our Testosterone Propionate guide.
Feature | Testaplex C 250 | Test Enanthate 300 | Sustaplex 350 |
---|---|---|---|
Dose | 250 mg/ml | 300 mg/ml | 350 mg/ml |
Ester | Cypionate (long) | Enanthate (long) | Multi-ester blend |
Injection Frequency | 1x/week | 1–2x/week | Every 7–10 days |
Onset | 5–7 days | 5–7 days | Fast + long |
Best For | Lean mass & strength | Standard bulking | Heavy bulking |
It's used for boosting testosterone, increasing lean muscle, and supporting strength cycles with reliable weekly dosing.
The Cypionate ester lasts ~8–12 days. Most users inject once weekly, though splitting can smooth out peaks.
They're very similar—both long esters—but Cypionate releases a bit slower. Choice comes down to brand trust and personal response.
Once per week is standard; some opt for split doses for steadier levels.
Yes—Test Cyp + Anavar is a popular lean muscle and strength combo with lower estrogen concerns.
Testaplex C 250 is a steady, reliable Testosterone Cypionate option from Axiolabs - perfect for anyone wanting lean muscle growth, strength, and minimal injection frequency. Backed by purity testing and solid results, it's a top pick for both beginners and seasoned athletes.
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Dec 13, 2022 (08:24)
one of the best test i've ever used! smooth as butter!
i do recommend Axio to all.