Cypiomax 250 by British Pharma
Cypiomax 250 delivers Testosterone Cypionate suspended in an oil base at 250 mg per millilitre. Each 10 ml multi-dose vial carries 2,500 mg total. Cypionate is one of the longest-running esters in research, valued for its slow release curve and the stable circulating levels that follow a once or twice weekly schedule.
Ester profile
- Active: Testosterone Cypionate USP
- Strength: 250 mg/ml
- Half-life: roughly 8 days
- Detection window: up to 3 months
Why Cypionate
The cypionate ester is one carbon longer than enanthate, which translates to slightly slower release and marginally smoother peaks for users who find enanthate spikes uncomfortable. Plasma levels stabilise within 4 to 6 weeks on a steady schedule, which is why long-cycle research protocols often default to this ester.
Common research use
- Baseline testosterone replacement modelling
- Lean mass and recovery studies
- Stack base alongside Decadura, Primo-depot, or trenbolone esters
Brand & Format
- Brand: British Pharma
- Format: 10ml multi-dose vial
- Base: oil (intramuscular use only)
- Storage: cool, dry place between 15 to 30 degrees C
Notice: sold strictly for research and reference purposes. Not for human consumption. Buyers are responsible for compliance with local laws.



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