Test C 300mg – High-Dose Testosterone Cypionate for Muscle Mass & Strength

Test C 300mg offers a potent dose of Testosterone Cypionate, a slow-releasing anabolic steroid trusted for building size, power, and endurance. This high-concentration formulation is designed for experienced users aiming for significant progress in strength and physique.

As a long-acting ester, Test Cypionate delivers consistent blood levels with fewer injections per week. This version is ideal for users who need efficient testosterone elevation during their bulking or replacement cycles. It increases protein synthesis and nitrogen retention, essential for muscle development and post-training recovery.

Compared to lower doses like Test C 250mg, the 300mg option offers stronger anabolic support, especially when paired with compounds like Deca 400mg, EQ 400mg, or Anadrol 50mg. Test Cyp is often the base of long cycles and ideal for users running 12+ week protocols.

Benefits include elevated testosterone levels, faster recovery, improved mood, and sharper focus. Muscle pumps become more pronounced, and strength output improves significantly over weeks. For users in testosterone replacement therapy (TRT), it offers a dependable solution to normalize hormones long-term.

Best Stacking Options:

• Primo E 100mg – Clean gains, reduced water retention
• Mast E 300mg – Hardness and vascularity
• Tren E 200mg – Advanced muscle mass

See more in our Injectable Oils collection or explore all Supplements to complete your stack.

For research use only. Not for human consumption. Buyer must be 18 years or older.