Sustanon 250: Complete Cycle Guide for European Athletes (2026)
Sustanon 250 combines four testosterone esters for immediate and sustained release. This complete guide covers dosing, injection frequency, PCT, and how to order Sustanon 250 with European delivery.
What Is Sustanon 250 and How It Differs from Other Testosterone Esters
Sustanon 250 is a blend of four testosterone esters in a single ampule: Testosterone Propionate (30 mg, t½ ~2 days), Testosterone Phenylpropionate (60 mg, t½ ~4 days), Testosterone Isocaproate (60 mg, t½ ~9 days), and Testosterone Decanoate (100 mg, t½ ~15 days). This blend was originally designed by Organon (Netherlands) to provide a single once-per-week injection suitable for testosterone replacement therapy. The fast esters (propionate, phenylpropionate) elevate testosterone within 24 hours; the slow esters (isocaproate, decanoate) maintain stable levels for up to 3 weeks.
Sustanon 250 Cycle: Dosage and Frequency
Despite its design for once-weekly injections, performance users typically inject Sustanon 250 every 3–4 days. The reason: the fast-acting propionate ester causes peaks within 24–48 hours. If injected only once per week, you experience a spike-and-trough pattern that can cause mood volatility, fluctuating libido, and inconsistent estrogen levels — making AI dosing difficult. Every-3-day injection creates far more stable blood levels. Standard performance dose: 250–500 mg/week. For a 10–14 week cycle, total testosterone exposure is comparable to Testosterone Enanthate at the same weekly dose.
Sustanon vs Testosterone Enanthate: Which to Choose?
For TRT (testosterone replacement therapy) or first cycles, Testosterone Enanthate is generally preferred for its simplicity: one pure ester, twice-weekly injections, highly predictable pharmacokinetics. Sustanon 250 suits users who want the "best of both worlds" — immediate testosterone elevation plus long-lasting coverage — or who have access to pharmaceutical-grade Sustanon from European pharmacies. In clinical trials, both produce equivalent testosterone elevation and anabolic outcomes at equivalent total weekly doses. The choice often comes down to personal preference and product availability.
Estrogen Control with Sustanon 250
Sustanon 250 aromatises at the same rate as other testosterone preparations — management is identical. Due to the propionate fraction causing earlier testosterone spikes, E2 may rise slightly earlier in the cycle compared to long-ester-only preparations. Start AI (Anastrozole or Exemestane) from week 2 rather than week 3. The mixed ester also means that if you experience estrogenic side effects, adjusting AI dose brings relief faster than with decanoate-only preparations, because short esters clear quickly.
PCT Timing After Sustanon 250
Due to the decanoate ester (half-life ~15 days), the full clearance time of Sustanon is longer than Testosterone Enanthate. Begin PCT 3 weeks after the last injection — not 2 weeks as with enanthate. PCT protocol is identical: Nolvadex 40/40/20/20 mg/day over 4 weeks. Natural testosterone recovery typically occurs within 12–20 weeks of completing PCT. The critical factor for full recovery: PCT must begin at the correct time — too early (active testosterone still present) and it is partially ineffective; too late (gonadotropins already normalising) and you delay recovery unnecessarily.
Buying Sustanon 250 Online with European Delivery
Pharmaceutical-grade Sustanon 250 in Europe is most commonly produced by Organon (Netherlands), Aspen (formally Schering), and various Eastern European manufacturers. Key quality indicators: ampoules (1 ml) or multi-dose vials from licensed facilities, correct 250 mg/ml concentration, clear oil with no particulate matter. PharmaForce stocks Sustanon 250 in original ampoule format from BayerPro Schering with EU-based warehouse dispatch, enabling 3–7 day delivery across Germany, Poland, France, Netherlands, Austria, Italy and 25+ other EU countries — fully discreet plain packaging.
Written by
Ivan Kowalski
Exercise Physiologist