
Unlock your potential
Welcome to Performance Diagnostics, your partner in achieving peak performance through rapid, point-of-care hormone testing. Based in Melbourne, Australia, we specialise in saliva-based cortisol and testosterone analysis tests, providing you with actionable insights to optimise your health and fitness. Discover your CT ratio and take control of your performance journey today.
Rapid results, real impact
At Performance Diagnostics, we understand the importance of timely information. Our rapid saliva-based tests for cortisol and testosterone, including the critical CT ratio, deliver results when you need them most, allowing you to make informed decisions about your training, recovery, and overall well-being.
Our tests
We offer cutting-edge saliva-based hormone tests designed to provide you with a comprehensive understanding of your hormonal profile. Our focus on cortisol, testosterone, and the CT ratio allows us to deliver personalised insights that can significantly impact your performance and health.
CT ratio analysis
Understand your CT ratio for a balanced approach to training and health.

About us
Performance Diagnostics is a Melbourne-based hormone diagnostics company dedicated to helping individuals optimise their performance and well-being through rapid, point-of-care saliva-based testing. Our commitment to quality, accuracy, and personalised insights sets us apart in the field of hormone analysis.
Empowering performance through science
We pride ourselves on our adaptability and commitment to excellence in every aspect of our service. Explore what we have to offer and how we can contribute to your success.
Contact us
Location
394 Collins Street, Melbourne, VIC
Australia