Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test
Fasting Insulin Blood Test

Over 250k Biomarkers Tested

Fasting Insulin Blood Test

$55.00 AUD

Struggling with weight gain, fatigue, or sugar cravings even though your glucose tests have come back normal, and wondering whether insulin resistance could be playing a role?

Measures fasting insulin, an early marker of insulin resistance that often rises before glucose or HbA1c become abnormal. Used to investigate metabolic syndrome, PCOS, and blood sugar dysregulation.

Collection Location
Specimen Type

You will be emailed a referral to take to your local collection centre. If you ever have any questions, we're here to help.

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Private health tests

How It Works

Getting your health measured shouldn't be hard! We're here to help you every step of the way.

1
Order a test

Order a test

Order the private test that suits you and your goals. After ordering, you will receive your referral by email.

2
Collect the sample

Collect the sample

Attend one of our 4000+ partner collection centres throughout Australia. Search locations.

3
Receive your results

Receive your results

View all your lab results in your secure health dashboard. Easy!

Overview

Think of insulin as your body's key that unlocks your cells so they can use sugar for energy. The Fasting Insulin test measures how much of this key your body produces when you haven't eaten for 8-12 hours, giving us a clear picture of your metabolic health. Just like checking your car's engine when it's idling, this test reveals how well your insulin system works at rest, without the influence of recent meals.

This test is especially valuable because it can catch problems early, often years before diabetes develops. Elevated fasting insulin alongside normal glucose may be associated with insulin resistance, a pattern your practitioner can help interpret. Whether you have a family history of diabetes, struggle with unexplained weight gain, or simply want to stay ahead of potential metabolic issues, this test provides information that can help you and your healthcare provider understand your metabolic health earlier.

Symptoms

This test measures fasting insulin, a marker associated with insulin resistance, the condition where cells stop responding efficiently to insulin, forcing the pancreas to produce more to compensate. It's used in the investigation of metabolic syndrome, PCOS, unexplained weight gain (particularly around the abdomen), energy crashes after meals, and in people who want to understand their metabolic health more deeply.

Questions

  • Standard diabetes testing focuses on blood glucose. Fasting insulin provides a complementary picture and can reveal insulin resistance even when glucose is still normal.
  • Insulin resistance means your cells are less responsive to insulin's signal to absorb glucose. To compensate, your pancreas produces more insulin.
  • Insulin resistance is common in women with PCOS and can drive some of its key symptoms.
  • Yes, testing both together allows calculation of HOMA-IR, an index of insulin resistance.
  • Yes, in many cases, with guidance from your healthcare provider on an approach suited to you.

Dr. Vu Tran
Bloody Good’s Chief Medical Officer

Biomarker Tested

How to prepare

Fast for 8-12 hours before your blood draw. Water is fine throughout. An early morning appointment is recommended. Avoid intense exercise the day before, as it can temporarily lower fasting insulin and affect the result. Take regular medications as normal unless your practitioner advises otherwise.

After the test

Take your fasting insulin result to your GP or an endocrinologist. If insulin resistance is identified, they'll discuss dietary and lifestyle changes that can meaningfully improve insulin sensitivity. Consider also testing fasting glucose and HbA1c if you haven't done so recently.

Your test results will be available in your private dashboard. If there are any urgent issues, we'll let you know so you can follow up with your health professional.

Understanding results

- Your result report includes the reference range that applies to your sample, and your practitioner can explain what your number means in your context, including alongside your glucose result.
- Elevated fasting insulin with normal glucose is a common early pattern. The pancreas is working harder to maintain blood sugar control.
- For the most complete picture, consider pairing fasting insulin with fasting glucose. From these two values, HOMA-IR (a calculated index of insulin resistance) can be derived.

Testimonials

What Our Customers Say

4.9
Average Rating
5,500+ Customers Tested
250,000+ Individual Biomarkers
A
Adam O. ACT

Simple health checks in my control

I didn't know that private blood tests were an option. Tried this platform as the packages suited what I wanted for a good price. Easy to follow instructions, and super quick results. Platform provides more information than my gp's ever have on the tests and what the results meant. Would like more clinics to be able to test at (specifically Capital Pathology) but there is a decent network. Will continue to use.

The Performance Check
W
Wayne S. NSW

Bloody Good

This is a great service, very helpful support, cheaper than going to the doctor for a blood test

Vitamin D (25-OH)
C
Christopher N. NSW

Quick access to blood tests

BLOODY GOOD is a very efficient route to access blood testing for a visitor outside the Australian health system. It is quick with the necessary referral and documentation, and quick with results. Thank you

Full Blood Count (FBC) Blood Test
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Rebecca Y NSW

Great Service!

Fantastic service to deal with, I love the extra explanations for all the tests.

Glycated Haemoglobin (HbA1c)
O
Olga B. New South Wales

Convenient

Getting a referral was easy. Laverty pathology accepted it. Bloody Good offers an affordable and convenient way to check essential blood markers.

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Marita S. Queensland

Bloody good test

Very comprehensive tests that have given me a good picture of my overall health.

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Lukas C. NSW

Quick, easy, hassle free

Excellent service, quick, easy, hassle free, can recommend.

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ABDUL S. QLD

Amazingly quick and efficient

Very easy to use. Love that it stores your blood tests.

The Performance Test
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Andre D. QLD

5 Stars

Efficient and easy to use

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Wayne NSW

5 Stars

Extremely helpful company

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"I'm a little biased as I work here! However, I love that The Bloody Good Test tracks my health over time. After turning 40, I wanted to make sure I wasn't going to drop dead from something basic I should have known about earlier. Measuring all my core biomarkers each year gives me peace of mind my health is on the right track"
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Frequently bought together

Frequently Asked Questions

Most collection centres accept walk-ins. Some may require a booking - check details when you click on your chosen location.

If your test needs fasting, we’ll include that in your instructions after you order. Fasting usually means no food for 8–12 hours, but water is fine.

Just your pathology referral form (we email it to you)

Of course. Just maybe don’t bring the friend who faints at the sight of blood.

They’re the highly trained professionals who take your blood sample - with a steady hand and a sharp needle. They love blood, but don’t worry… they’re not vampires. Just legends who make blood tests quick, clean, and (almost) painless.

Some of our tests include Urine, Stool, Saliva and more. Each test will have a clear description on what sample you will need to give and instructions on how.