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Current Thyroid Tests available:

  • Serum thyroid tests: Blood testing of thyroid hormone levels shows how much hormone is available to receptor sites in the hypothalamus located in the brain, not necessarily the level of hormone the body has utilised. It also gives us information about the conversion of the storage form of thyroid hormone (T4) into the active form of thyroid hormone (T3). In some situations, like sub clinical Hypothyroid or in diseases that involve antibodies as in Graves Disease or Hashimoto’s Disease, serum tests are less accurate, they do not tell if the thyroid hormone is functional. In these clinical situations other measurements may be more accurate estimations of thyroid function.
  • Body basal temperature requires taking your temperature first thing in the morning before any activity or getting out of bed. Temperature must be taken at the same time every day.  Results are an indicator only (basal temperature is also affected by ovulatory cycles).


The Thyroflex test offers a pain-free and cost effective way of measuring the thyroid function with a simple reflex test. This patented Thyroflex technology is currently the only non-invasive tool available to measure thyroid function at its cellular level with a very high accuracy.

Advantages of using Thyroflex?

  • Thyroflex is a non invasive test which measures brachioradialis reflexometry (BR) and resting metabolic rate, providing results within 4 minutes.
  • The Thyroflex test identifies if your thyroid function is under or overactive, or within the optimal range.
  • Thyroflex helps to ensure you are on appropriate thyroid hormone replacement dosage with 98.5% accuracy.
  • Thyroflex will show if your current regime for  treatment of hyper or hypothyroid is adequate. For example if taking pharmaceutical drugs such as Thyroxine, Thyroflex will help to determine if you are on the correct dose to bring your thyroid into balance.
  • Predicts resting metabolic rate (which tells you how many calories you are burning per day).
  • Finding out if the dose of thyroid medication is optimal for you can greatly lower your health risk.  Having correct thyroid medication helps to regulate not just metabolism by other hormones, neurotransmitters and even your immune function.

Why is the Brachioradials reflex point used?

The brachioradials, achilles, and stapedial reflexes all reflect thyroid function. The brachioradials reflex is used in the test we use as it is the easiest to access. Slow reflexes are a known marker of low thyroid function.

The Thyroflex measures how long it takes from the time the “hammer” hits the reflex point – which first sends a message to spine and back again  – until the reflex responds. This speed directly correlate with thyroid function.

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What is involved in doing the Thyroflex test?

A symptom survey of thyroid function is completed first, to determine whether thyroid function warrants testing with the Thyroflex machine.

Symptoms are graded from 0 to 3

  1. No symptoms
  2. Mild symptoms
  3. Moderate symptoms
  4. Severe symptoms

Scores are then totalled. Your healthcare practitioner will then review the symptom survey score and decide if the Thyroflex test should be performed.

The Thyroflex test takes approximately 4 minutes to administer and results are provided immediately.

Test results

On completion of the test your healthcare practitioner instantly receives the test results.

The report shows your reflex response time and resting metabolic rate.

Reflex response times:

  • Hyperthyroidism = < 50 msec
  • Hypothyroidism = >150 msec
  • Sub Clinical hypothyroid = 100-150 msec
  • Optimal thyroid function = 50-100 msec

Resting Metabolic Rate:

This represents how many calories you are currently burning per day. Resting metabolic rate should be:

women = 2,250 calories / day
men = 2,750 calories / day

Your healthcare practitioner can interpret the Thyroflex report and will advise on which supplements and nutritional advice are necessary to improve thyroid function. If you are currently on medication or supplements for thyroid, your healthcare practitioner will advise if the dosage needs to be increased or decreased, depending on your Thyroflex test results to ensure the thyroid is in balance.

This screening assessment is available with a 1/2 hour appointment. You may be recommended a full assessment based on the results.

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