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Injectables

Injectable Steroids at UK PeptidesOur injectables range brings together some of the most trusted compounds used in performance and physique goals — from classic testosterone bases through to more advanced options like Trenbolone Enanthate and blended formulas. Whether you’re building a straightforward cycle or looking for something more targeted, there’s a product here that fits.The range covers single-compound oils and pre-blended stacks. If you want simplicity, something like Cypiomax 250 (Testosterone Cypionate 250 mg/ml) gives you a reliable, well-tolerated base. Prefer a ready-mixed stack? Bulkmass 500 combines Testosterone Enanthate, Nandrolone Decanoate and Trenbolone Enanthate in a single vial, which cuts down on the number of injections needed each week. For those focused on a leaner, harder look, MastEnan 200 (Drostanolone Enanthate) is a popular choice further into a cycle.How to Choose the Right InjectableExperience level: Single esters like Decadura 250 or Cypiomax 250 are generally easier to manage and assess individually.Cycle goals: Mass phases suit higher-concentration blends; recomposition or finishing phases often call for Masteron or Primobolan-based options like Primo-depot 100.Injection frequency: Enanthate and decanoate esters release slowly, so twice-weekly pinning is usually sufficient across this range.All products are clearly labelled with active compound, concentration and carrier oil. If you’re unsure which product suits your current goals, reading the individual product pages is a good starting point before making a decision.
Frequently asked questions
What’s the difference between a single-compound injectable and a blend like Bulkmass 500?
Single-compound products contain one active ingredient, making it straightforward to adjust or remove that compound if needed. Blends like Bulkmass 500 combine multiple compounds in one vial, which reduces the number of weekly injections but gives you less flexibility to tweak individual components mid-cycle.
Are these injectables suitable for beginners?
Some are more beginner-friendly than others. Testosterone Cypionate (Cypiomax 250) is widely considered a good starting point because it’s a single ester with a well-understood profile. High-concentration blends or compounds like Trenbolone Enanthate are generally better suited to those with prior cycle experience.
How should injectable oils be stored to maintain quality?
Keep vials in a cool, dark place away from direct sunlight and temperature extremes. Room temperature storage in a drawer or cupboard is usually fine for short-term use. Avoid refrigerating oil-based injectables as this can cause the oil to thicken and make drawing difficult.

Showing all 5 results

  • Bulkmass 500 by British Pharma vial and box

    Bulkmass 500 (Test E 200 / Nandrolone Dec 150 / Tren E 150 mg/ml)

    Price range: £75.00 through £350.00

    British Pharma’s heaviest blend at 500 mg total per millilitre, combining Testosterone Enanthate 200 mg, Nandrolone Decanoate 150 mg, and Trenbolone Enanthate 150 mg in a single 10 ml multi-dose vial. Built for advanced long-ester mass research where injection load needs to be minimised.

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  • Cypiomax 250 by British Pharma vial and box

    Cypiomax 250 (Testosterone Cypionate 250 mg/ml)

    Price range: £40.00 through £175.00

    Testosterone Cypionate at 250 mg per millilitre, presented in a 10 ml multi-dose vial by British Pharma. A long-ester injectable testosterone with a steady release profile, popular for hormone-replacement style protocols and bulking research where stable blood levels matter.

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  • Decadura 250 by British Pharma vial and box

    Decadura 250 (Nandrolone Decanoate 250 mg/ml)

    Price range: £40.00 through £175.00

    Nandrolone Decanoate at 250 mg per millilitre, in a 10 ml multi-dose vial by British Pharma. The classic long-ester nandrolone, prized in research for joint comfort, slow-build lean mass, and a forgiving side-effect profile when partnered with a testosterone base.

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  • Decadura 400 by British Pharma vial and box

    Decadura 400 (Nandrolone Decanoate 400 mg/ml)

    Price range: £45.00 through £200.00

    High-strength Nandrolone Decanoate at 400 mg per millilitre in a 10 ml multi-dose vial by British Pharma. A concentrated alternative to standard nandrolone for research protocols that prefer lower injection volumes.

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  • Primo-depot 100 by British Pharma vial and box

    Primo-depot 100 (Methenolone Enanthate 100 mg/ml)

    Price range: £70.00 through £325.00

    Methenolone Enanthate at 100 mg per millilitre in a 10 ml multi-dose vial by British Pharma. Often called Primobolan in research literature, prized for its mild profile, lean tissue retention, and reputation as one of the calmer long-ester injectables on a recomposition cycle.

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