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If you’re overwhelmed by the world of testosterone replacement therapy (TRT), you’ve come to the right place.

Primal Zone is committed to making the potentially life-changing benefits of TRT readily available to all who need it. We are dedicated to providing world-class TRT treatments so that you can live the life you deserve.

How testosterone replacement therapy can help you

Take control of your hormone health

Are you constantly feeling tired? Is your libido not what it used to be? Do you spend hours at the gym without seeing the results you desire?

Perhaps you’ve had bad experiences in the past finding the right testosterone replacement therapy for you.

We understand how frustrating these experiences can be.

That’s why we’re dedicated to providing TRT that emphasises in-depth-evaluation, individually tailored treatments and continuous care.


Is testosterone replacement therapy the right choice for me?

Working out if TRT is the best treatment for you goes beyond a simple blood test.

Why? Because everyone is different. We all have different health histories, physiologies and lifestyles that can impact our health.

That’s why at Primal Zone you will get a thorough evaluation that includes:

  • A comprehensive blood test to establish your hormone levels
  • Additional blood testing such as glucose, liver function and peptides to assess your general health
  • An extensive health survey to understand your medical history, mental health, goals and concerns

We will determine your eligibility based on all this information. If TRT is the right treatment for you we will design a personalised treatment plan customised to your specific health needs.


Why choose Primal Zone?

At Primal Zone you’re not just receiving a service – you’re joining a community of hormone specialists who, above all else, value men’s health.

We don’t believe in a one-size-fits-all solution. Our treatment protocols are designed by hormone specialists and tailored to your specific health needs.

And it doesn’t stop there. We believe in getting the very best out of your TRT treatment with a holistic approach. This includes a focus on sleep, training, cardiovascular exercise and eating a balanced diet.

We are committed to supporting men in their journey to better health. If you’re not eligible for TRT, we offer a range of solutions to optimize your health and hormone balance, including peptide treatments and assistance for erectile dysfunction. Your well-being is our priority.

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How we can help

Say goodbye to cookie cutter treatment options. Our 4-step process is designed to make your TRT journey as seamless as possible. Our world-class specialists will take the time to understand your hormone and health issues and provide a bespoke treatment plan.

How we can help
Take our health survey, upload your blood test AND PAY INITIAL consultation fee
Primal Zone Consultant review and recommendation
Review by Primal Zone GP and MAKE FINAL payment
Receive your prescription medication

Is testosterone replacement therapy right for you?

Complete our health survey and upload your blood test to begin your personalised TRT journey.


Discover everything you need to know about testosterone treatment therapy (TRT) with our comprehensive FAQs. Whether you’re seeking insights on hypogonadism, TRT benefits, diagnostic methods, or administration techniques, we’ve got you covered. Our expert advice and detailed explanations provide a clear path towards understanding and addressing your needs.

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What is testosterone treatment therapy (TRT)?

Testosterone replacement therapy (also known as hormone replacement therapy) involves replacing testosterone levels with an external form of testosterone. TRT is given to men who can’t make enough testosterone on their own for their health to be at its best. Hormone replacement therapy extends to other hormones such as thyroid stimulating hormone (TSH), dehydroepiandrosterone sulfate (DHEA) and growth hormone.

Do I need TRT?

To determine if you need TRT you need an in-depth analysis from your medical specialists. This will require your full medical history and blood tests. Our role is to help you determine which treatment is right for you.

How is hypogonadism (low testosterone) diagnosed?

Hypogonadism comes in two forms – primary and secondary. In primary hypogonadism the testicles don’t function properly. It’s diagnosed by low testosterone levels and elevated LH/FSH levels. This signifies that the brain is signalling the body to make testosterone but the body is not able to respond. 

Secondary hypogonadism is more complex. It’s caused by drug use, stress, injury or endocrine disruption which can lead to issues with other hormones. Men with secondary hypogonadism have low levels of testosterone, luteinizing hormone (LH) and follicle stimulating hormone FSH. This means the brain is not sending the right signals for the body to make enough testosterone.

What causes low testosterone?

Low testosterone is caused by many factors. They include:

  • Age
  • Poor diet and lifestyle
  • Testicular injury
  • Pharmaceutical medications
  • Post-traumatic stress disorder (PTSD)
  • Anabolic steroid use
  • Psychological chronic stress
  • Chronic stress from injuries or ongoing chronic disease
What blood work do I need for TRT?

If you’re new to TRT or need to check your current hormone levels, we suggest the Sports BB4 from i-medical. At Primal Zone we offer this panel as a service and routinely use it for check-ups. This panel tests for:

  • Free and Total Testosterone, SHBG
  • E2, FSH/LH, Prolactin, Progesterone
  • Cortisol
  • Dehydroepiandrosterone sulfate (DHEAS)
  • Insulin-like growth factor (IGF-1) + growth hormone (GH)
  • Liver Function (LFT)
  • Kidney Function (UEC)
  • Cholesterol/TG/HDL/LDL
  • Glucose
  • Full Blood Count (FBC)
  • Iron Studies
  • Magnesium
  • Thyroid stimulating hormone (TSH) / Thyroid function tests (FT3 / FT4)
  • High Sensitivity C-reactive protein (CRP)

It’s important you talk to your doctor about any symptoms you’re experiencing with TRT or other treatments. Unusual symptoms will require more specific blood testing.

What forms is testosterone prescribed in?

In Australia testosterone is prescribed in the following forms:

  • Primoteston (Testosterone Enanthate) – injectable
  • Compounded Testosterone Enanthate – injectable
  • Compounded Testosterone Cypionate – injectable
  • Reandron – a longer acting injectable   
  • AndroGel – low concentration topical gel
What are good sources of information on TRT?