GainZlab Sustanon 300mg/ml (10ml Vial)

Product Details:

• Brand: GainZlab
• Compound: Sustanon 300
• Strength: 300 mg/ml
• Volume: 10 ml multi-dose vial
• Active Ingredients (may vary slightly by lab):
  • Testosterone Propionate
  • Testosterone Phenylpropionate
  • Testosterone Isocaproate
  • Testosterone Decanoate
• Form: Injectable oil-based solution
• Purpose: Testosterone replacement, muscle growth, strength gains, performance enhancement

How It Works:

Sustanon 300 works by combining four testosterone esters, each with a different absorption rate and half-life. This creates a stable, elevated testosterone level over time, reducing the need for frequent injections. It promotes:

• Increased protein synthesis and nitrogen retention

• Enhanced muscle mass and strength

• Improved libido, energy, and recovery

• Support for other anabolic steroids when used in stacks

The Propionate ester kicks in quickly, while Decanoate sustains levels for days, providing both fast-acting and long-lasting effects.

Who Should Use It?

• Intermediate to advanced bodybuilders and athletes looking to enhance muscle mass, recovery, and strength
• Individuals undergoing Testosterone Replacement Therapy (TRT) under medical supervision
• Not suitable for beginners, minors, or individuals with hormone-sensitive medical conditions

Usage Instructions:

• Dosage:
  • Common performance-enhancing range: 300–600 mg/week
  • TRT dosage may be lower depending on individual needs and supervision
• Administration:
  • Intramuscular injection (e.g., glute or thigh)
  • 1–2 injections per week depending on dose and ester clearance
• Cycle Duration:
  • Typical cycle: 10–14 weeks
• Stacking:
  • Often stacked with compounds like Deca-Durabolin, Dianabol, or Trenbolone for mass gains

Warnings & Precautions:

• Possible Side Effects:
  • Water retention, gynecomastia (estrogen-related)
  • Acne, oily skin, mood swings
  • Suppression of natural testosterone production
  • Elevated blood pressure or cholesterol levels
• Aromatization Risk: As a testosterone-based product, it can convert to estrogen. Consider using an aromatase inhibitor (AI) if needed.
• Post-Cycle Therapy (PCT): Strongly recommended to restore natural hormone production
• Do not use if:
  • You have prostate or breast cancer, severe heart/liver/kidney disease
  • You’re pregnant, nursing, or under 21

Storage Instructions:

• Store at 20–25°C (68–77°F)
• Keep away from direct sunlight, moisture, and heat
• Do not refrigerate or freeze
• Store upright, tightly sealed
• Keep out of reach of children and pets
• Do not use if the vial appears discolored, cloudy, or expired