How Our Saliva Hormone Testing Works
Buy Your Saliva Hormone Test Kit Online
Choose Your Kit: Browse our range of hormone tests and select the one that's right for you.
Complete Your Sample Collection From Home
Provide Your Sample: Use the easy step-by-step guide to collect your saliva and fill out the accompanying health questionnaire.
Post Your Saliva Sample To Us
Return Your Kit: Pop your sample in the included reply-paid envelope and send it back to us.
Get Your Results Displayed in Clear, Colourful Graphic Charts
Your comprehensive results will be delivered straight to your inbox, typically within 10–14 business days of your sample arriving at the lab.
Saliva Vs Blood Testing
Tracking hormone levels is an important part of understanding your overall health, and both saliva and blood testing can play a useful role in that process. That said, the two methods work quite differently and each has its own strengths depending on what you’re looking to find out. Knowing how they compare allows you to choose the approach that’s best aligned with your individual health goals and circumstances.
Saliva Hormone Testing
Active Hormone Measurement: Unlike standard blood tests, saliva testing captures the “free” fraction of hormones — those that are biologically active and readily available for your body to utilise. This gives a truer picture of how hormones are actually influencing your physiology right now.
Comfortable, At-Home Collection: Providing a saliva sample is simple and completely non-invasive, meaning you can do it in the comfort of your own home. This matters because the anxiety of a clinical visit or a blood draw can itself alter hormone levels, potentially compromising your results.
24-Hour Hormonal Patterns: Because saliva collection is so straightforward, samples can be taken at several points across the day and night. This makes it possible to map how your hormone levels rise and fall naturally — an especially valuable insight for hormones such as cortisol, which follow a distinct pattern that shifts significantly between morning and evening.
Blood Hormone Testing
Combined Hormone Measurement: Blood testing typically reports on the total hormone content in your bloodstream, encompassing both bound and unbound forms. While this offers a general overview of hormone levels, it doesn’t necessarily reflect how much of those hormones are actually available and working within your body.
Clinical Visit Required: Unlike at-home alternatives, blood testing requires you to attend a clinic or pathology lab, where a needle draw is performed. For many people this is inconvenient, and for some it can be genuinely uncomfortable. The clinical environment alone can trigger a mild stress response — which has the potential to subtly shift hormone readings.
A Single Point in Time: Blood samples capture your hormone levels at one specific moment, offering little insight into how those levels change across the course of a day. Given that many hormones fluctuate considerably between waking and sleeping hours, a single reading may paint an incomplete picture.
Key Differences At A Glance
How Samples Are Collected: Saliva testing is entirely non-invasive and done from the comfort of home, making it a straightforward process. Blood testing, by contrast, involves a needle draw and a trip to a medical facility.
What Each Test Actually Measures: Saliva tests focus on the biologically active hormones your body is currently using, giving a more targeted and relevant reading. Blood tests capture total hormone levels — both active and inactive — which provides a wider but less precise overview.
The Role of Stress in Results: Because saliva samples are collected at home without any clinical pressure, the results are less likely to be skewed by stress-related hormonal shifts. A clinical blood draw, on the other hand, may inadvertently trigger a mild stress response that influences readings.
Tracking Changes Over Time: One of saliva testing’s key advantages is the ability to collect multiple samples throughout the day, revealing how your hormones naturally rise and fall. Blood testing captures only a single moment, which may not reflect the full picture of your hormonal patterns.