Testosterone Injections

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Summary of the different types of testosterone injections available for gender-affirming hormone therapy:


Testosterone TypeAdministration MethodFrequencySelf-AdministrationCost Range (Approx.)Notes
Sustanon (Testosterone Isocaproate)Intramuscular injectionEvery 2-4 weeksYes (after training)£8 – £25 per ampoule
  • Contains four testosterone esters
  • Not suitable for those with peanut or soya allergies
  • Peak levels reached within 24-48 hrs
Nebido (Testosterone Undecanoate)Intramuscular injectionEvery 10-14 weeksNo (requires healthcare professional)£110 – £120 per ampoule
  • Slow release, maintaining stable levels
  • Not for self-administration
Testosterone EnantateIntramuscular or subcutaneous injectionEvery 1-2 weeksYes (after training)£105 – £130 per 3 ampules
  • Suitable for self-administration
  • Consistent levels maintained
Testosterone CypionateIntramuscular or subcutaneous injectionEvery 1-2 weeksYes (after training)Similar to Testosterone Enantate
  • Similar administration and frequency to Enantate
  • Common in the US


Additional Information

  • Monitoring: Regardless of the type, testosterone levels should be monitored during treatment, particularly at the end of an injection interval. Adjustments to the injection interval may be needed based on testosterone levels.
  • Availability: Availability and cost will vary based on location and healthcare systems.
  • Member Information Leaflet (MIL): Always refer to the MIL for detailed information about administration, contraindications, and possible side effects.

This table provides a general overview and may not cover all specifics or individual variations in therapy. It’s essential to consult with a specialist provider for personalised advice and instructions.


Read More

Sustanon Injection Guide

Testosterone Enantate Injection Guide

Nebido Injection Guide

Masculinising Articles