Description
USA DOMESTIC
Estimated delivery 1-2 weeks
EU, UK, CANADA & AUSTRALIA
Estimated delivery 2-3 weeks
Ultima Mass/Stack 500 is a ready-to-go bulking powerhouse, combining two of the most effective long-acting injectables: Testosterone Enanthate (300mg/ml) and Nandrolone Decanoate (200mg/ml) — all in one convenient 10ml vial dosed at 500mg/ml total.
This potent mix is designed to maximize size, strength, and recovery, while also minimizing injection frequency. Test E delivers a stable anabolic foundation, while Deca adds joint relief, enhanced nitrogen retention, and serious muscle volume.
Crafted by Ultima Pharmaceuticals, this high-dosed blend is perfect for intermediate to advanced users looking to pack on mass efficiently and streamline their injection protocol.
What Is Ultima-Mass/Stack 500?
This is a dual-compound injectable with:
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Testosterone Enanthate 300mg/ml: The base of nearly every cycle. Promotes muscle growth, energy, and libido.
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Nandrolone Decanoate 200mg/ml: Known for increasing lean mass, aiding recovery, and reducing joint pain.
Together, they create an ideal off-season bulking stack that delivers big gains with fewer jabs.
Benefits of Ultima-Mass/Stack 500:
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Serious muscle size and strength gains
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Improves joint support and recovery
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Boosts libido and training endurance
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Fewer injections = more convenience
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Perfect for mass-building cycles
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Lab-tested quality from Ultima Pharmaceuticals
How to Use:
For research and educational purposes only.
Typical Usage:
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Dose: 500–1000mg per week (1–2 injections)
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Cycle length: 10–14 weeks
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Stack with: Dbol, Anadrol, or EQ for even more size
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Always include an AI (e.g., Arimidex) to manage estrogen
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Run with liver support if using orals
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PCT is essential: Use Nolvadex or Clomid post-cycle
Warnings & Precautions:
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May cause estrogenic side effects: bloating, gyno, mood swings
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Can suppress natural testosterone – a PCT is required
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Not for beginners due to potency
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Possible androgenic effects: acne, hair thinning, oily skin
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Not suitable for female use
What You Get:
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1 x 10ml vial
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Total dosage: 500mg/ml
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Testosterone Enanthate – 300mg/ml
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Nandrolone Decanoate – 200mg/ml
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Sealed, lab-tested product from Ultima Pharmaceuticals
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Fast, discreet shipping from AlphaMuscle.is

