Boldenone Undecylenate 300 mg/ml – Astera Labs

$96.00

  • Pack: 10 mL Vial (300 mg/mL)
  • Manifacturer: Astera Labs
  • Substance: Boldenone Undecylenate
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Boldenone Undecylenate – Advanced Injectable Steroid for Superior Muscle Growth & Performance

Boldenone Undecylenate, commonly known as Equipoise, is a highly effective anabolic steroid formulated to support muscle growth, strength enhancement, and endurance. Its long-lasting effects and balanced anabolic-androgenic properties make it a top choice for bodybuilders, athletes, and fitness enthusiasts seeking steady, lean muscle gains.


What is Boldenone Undecylenate?

  • Active Ingredient: Boldenone Undecylenate
  • Chemical Formula: C₃₀H₄₄O₃
  • Form: Injectable
  • Concentration: 300 mg/mL
  • Volume: 10 mL vial

This injectable steroid is known for its gradual but consistent anabolic effects, making it ideal for lean muscle development with minimal water retention.


Key Benefits of Boldenone Undecylenate

💪 Promotes Lean Muscle Growth

  • Stimulates high-quality muscle gains without excessive water retention.

Increases Strength & Endurance

  • Enhances performance, stamina, and training intensity.

🔄 Accelerates Recovery

  • Speeds up muscle repair and reduces soreness, allowing for faster progress.

🍽 Boosts Appetite for Mass Gains

  • Encourages higher caloric intake, which is essential for muscle development.

💉 Long-Lasting Effects

  • Stable anabolic impact with less frequent injections compared to shorter-ester steroids.

💯 Enhances Vascularity & Definition

  • Improves muscle hardness and vascular appearance, making it popular for both bulking and cutting cycles.

How to Use Boldenone Undecylenate for Optimal Results

📌 Dosage & Administration

For Muscle Growth & Performance Enhancement

  • Standard Dosage: 300 – 600 mg per week
  • Cycle Duration: 8 – 12 weeks for best results
  • Injection Frequency: Typically once or twice per week due to its long half-life

Administration Tips

Intramuscular injection – Use sterile equipment and ensure proper injection hygiene.
Rotate injection sites to avoid irritation.
Stacking Options: Often combined with Testosterone Enanthate, Trenbolone, or Masteron for enhanced muscle-building effects.


Safety & Important Considerations

Consult a Healthcare Professional

  • Always adjust dosage based on personal tolerance, cycle goals, and health status.

⚠️ Potential Side Effects

  • Mild Effects:
    • Increased oily skin and acne
    • Hair growth (or hair loss in those predisposed to male pattern baldness)
    • Mood swings or aggression
  • Possible Cardiovascular Risks:
    • Elevated blood pressure and cholesterol levels – Regular cardiovascular monitoring is advised.
  • Estrogenic Effects (Mild):
    • While Boldenone aromatizes at a lower rate than testosterone, anti-estrogen medications (like Aromasin or Arimidex) may be required in sensitive individuals.

🚨 Always monitor hormone levels during use and conduct proper Post-Cycle Therapy (PCT) after the cycle.


Storage & Handling

  • Store in a cool, dry place, away from heat and direct sunlight.
  • Keep out of reach of children and store in a secure location.

Why Choose Our Boldenone Undecylenate?

Pharmaceutical-Grade Purity – Manufactured in a certified facility for maximum potency and quality assurance.
Trusted by Athletes & Bodybuilders – Used worldwide for muscle growth, endurance, and strength gains.
Long-Acting FormulaSustained release ensures stable muscle-building effects with fewer injections.
Discreet & Secure Packaging – Ensures privacy and product integrity.


⚠️ Legal Disclaimer: This product is intended for use under medical supervision. Misuse of anabolic steroids may lead to health risks. Always adhere to local laws and regulations regarding steroid use.

🔥 Achieve Your Ultimate Physique – Order Boldenone Undecylenate Today! 🚀

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Masteron Enanthate (Drostanolone Enanthate) First Of all I love PSL Masteron due to the fact that it works so quickly (within 60 hours), it dries you out, it is good for cardio. It isn't rough on your liver, and you get no gyno from it! Masteron undergoes no aromatization (conversion to estrogen), no conversion to DHT or potentiation by the 5-AR enzyme, and as an unalkylated steroid it poses no liver issues I mean who doesn't want benefits like that, and all from one substance. Since it's a shorter ester I used it every other day at 100mg, Which was 400 a week (which I would say to do at a minimum for masteron) and all though I have seen many people go well over that dose for more hardening for contest prep, I saw no water retention and actually saw it help shred the water out. Some people even use it just for it's anti-estrogen properties. I didn't notice any effects on my hair really, but I tend to think the people who see that are the ones that are predisposed to it (it's going to happen anyways), if it's not there is no issue in my experience. I ran it for a total of 12 weeks in a blast and stacked it with Equipoise as well as Testosterone cypionate. Simply put, Masteron does very well what it’s expected to do, and has mild to no side-effects for an anabolic steroid. I have never known anyone to be disappointed with this steroid.

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