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What is the Longest Lasting Testosterone Injection?

Published in Testosterone Therapy 1 min read

Testosterone undecanoate is generally considered the longest-lasting testosterone injection currently available.

While other testosterone esters exist (like cypionate and enanthate), they require more frequent injections. Testosterone undecanoate offers a significantly longer duration of action, reducing the frequency of injections.

Key Considerations Regarding Testosterone Undecanoate:

  • Injection Frequency: Typically administered every 10 to 14 weeks.
  • Caution: Due to its long half-life, careful monitoring is necessary to avoid excessively high testosterone levels. Adjustments to dosage may be required based on individual response.
  • Administration: Usually administered by a healthcare professional.

While testosterone undecanoate provides the longest interval between injections, the optimal choice of testosterone ester depends on individual needs, response to treatment, and medical advice. Consultation with a healthcare provider is essential to determine the most appropriate option.

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