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SUSTANON 300

SUSTANON 300

Brand: INJECTABLES

SUSTANON 300


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  • 1 year warranty
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Sustanon 300 is a potent testosterone blend combining four esters for fast and sustained release. Designed for muscle growth, libido, recovery, and strength with consistent hormonal stability in fewer injections.


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💉 Sustanon 300mg/ml – Testosterone Blend

Brand: Dr.X Labs
Volume: 10ml Multi-dose Vial
Administration: Intramuscular (IM) Use Only

🧬 What is Sustanon?

Sustanon is a powerful blend of four testosterone esters: propionate, phenylpropionate, isocaproate, and decanoate. This formulation was created to deliver both fast-acting and long-lasting testosterone release—ensuring stable blood levels with less frequent injections.

💪 Key Benefits

  • Significant increases in strength and muscle mass
  • Enhanced libido and energy
  • Fast and sustained hormonal elevation
  • Versatile for bulking or cutting
  • Improved recovery and training output

⚠️ Side Effects

  • Estrogenic side effects: gynecomastia, water retention
  • Acne and increased aggression in some users
  • Possible negative impact on cholesterol and blood pressure
  • HPTA suppression requiring post-cycle therapy

📌 Advice & Precautions

Sustanon is ideal as a base compound in most cycles. Always include an AI (Aromatase Inhibitor) to control estrogen, especially on higher doses. Due to long esters like decanoate, allow 3–4 weeks after your last injection before beginning PCT.

📊 Product Specs

💉 Dosage 300–750 mg/week
⏳ Half-Life 15–18 days (avg. due to ester mix)
💧 Water Retention Moderate to High (estrogen-dependent)
🔥 Androgenic Rating 100
⚡ Anabolic Rating 100
🧪 Aromatization High

🧠 Post Cycle Therapy (PCT)

Start PCT 3–4 weeks after your last injection due to the long-acting decanoate ester. Use Clomiphene or Toremifene for 4–6 weeks to restore natural testosterone production and balance.

🏆 Why Choose Dr.X Labs?

  • 🇨🇭 Swiss-designed, globally trusted
  • 🧪 In-house chromatographic testing with 98.5%+ purity
  • 🛢️ Natural, double-filtered carrier oils
  • ✨ Crystal-clear injectables via ceramic filtration
  • 🔬 Precision in formulation & strict batch consistency