How to Take Basal Temperature Test for Thyroid Health


Why is Body Temperature A Foremost Indicator Of Thyroid Health?

For over a century, the relationship between basal body temperature and thyroid disease has been known and well-documented.


Considering the fact that the thyroid hormone, T3, helps keep our bodies warm, an effective form of thyroid testing can therefore be achieved by tracking basal body temperature with the use of a basal body thermometer. 


Using your body basal temperature provides us with a comprehensive understanding of how efficiently your thyroid gland is actually functioning, as opposed to medical thyroid testing, done on a blood sample, which only measures how much hormone is present in that specific amount of blood and not how active it is.


Clinical Thyroid Testing Only Measures TSH Levels

The medical thyroid test measures TSH levels or the amount of T3 and T4 hormone in the blood. Consider however, that T3 is the primary hormone which helps regulate body temperature and not T4. Therefore if there is adequate secretion of T4 by the thyroid gland but we are not getting sufficient conversion of T4 to T3, or T3 is unable to activate cellular receptor sites, then the basal body temperature will be found to be low, as will thyroid function. 


For this reason TSH testing is not an adequate identifier for optimal thyroid functioning. A much more effective test for determining healthy thyroid function is the Basal Temperature Test.Dr. Broda Barnes was one of the pioneers who explored this major health issue of subclinical hypothyroidism, and who used what was called the 'Basal Metabolic Temperature Test' for diagnosing such cases. 


Despite its seeming simplicity, this genuinely relevant diagnostic technique is capable of identifying under functioning thyroid in many people who do not show up as being hypothyroid with regular blood tests.


Body Temperature Is A Foremost Indicator Of Thyroid Health

Considering the fact that the thyroid hormone, T3, helps keep our bodies warm, an effective form of thyroid testing can therefore be achieved by tracking basal body temperature with the use of a basal body thermometer. 


Using your body basal temperature provides us with a comprehensive understanding of how efficiently your thyroid gland is actually functioning, as opposed to medical thyroid testing, done on a blood sample, which only measures how much hormone is present in that specific amount of blood and not how active it is.


A Low Basal Body Temperature Reveals Poor Thyroid Function

As your thyroid starts to fail in function of maintaining body temperature, it is no longer able to keep your body warm at a constant level.A healthy human's normal body temperature is 37 degrees Celsius or 98.6 degrees Fahrenheit.


If your body is consistently below normal temperature your enzyme production is compromised inhibiting the metabolic process resulting in depression of your entire cellular function. 


Understand that every metabolic function in your entire body is completely dependent on enzyme function. In turn, enzyme function is highly dependent on temperature. Therefore, if your basal body temperature is below normal, then all enzymes in every cell of your body will be under functioning.


How To Take Your Basal Body Temperature

The Basal Body Temperature thyroid test is simple and only requires a mercury thermometer. 


Please note: a digital or infrared thermometer are calibrated differently from the mercury type and not as useful for this testing because they tend to under-register a person's body temperature providing false diagnosing of subclinical hypothyroidism.



Step's for Basal Temperature Test Is Taken Under-Arm:

  1. Shake down the thermometer until the mercury falls below 35 degrees Celsius. Place it by your bed at night when you retire. 
  2. First thing upon awakening; before you become physically active, gently push back most of your blankets and place the mercury thermometer in your arm pit (not under the tongue) for a full 10 minutes. It is also crucial for you to not move or get out of bed for any reason before taking the temperature because any activity will raise your basal body temperature, and make the test useless. 
  3. Record the temperature, time, and date. 
  4. Conduct the same test for at least three consecutive mornings at the same time each day to provide a good average to work from.



Interpreting Your Basal Body Temperature Test

Normal body temperature in a healthy human being is 37 degrees Celsius.

If the average basal body temperature reading is below 36.5 degrees Celsius, then this is a strong indication of an underactive thyroid.The more the average temperature is below 36.5 degrees Celsius the more the thyroid is under-functioning. 

The greater the temperature is found to be below 36.5, the more the thyroid can be regarded as incapacitated, or not functioning at an optimal level. 

Please Note: Natural fluctuations can occur during menstrual cycles. If you are still menstruating, perform the test on the second, third, and fourth days of the menstrual cycle.



You have an underactive thyroid, NOW WHAT?

Never fear Nascent Iodine is here!

Iodine Is The Thermostat For The Human Body. Research has revealed that the most effective iodine to quickly restore thyroid function is the nascent form of iodine. 

Nascent Iodine is quite different from typical iodine, read more about it here:
Nascent Iodine Blog
Nascent Iodine FAQ's

In its denser state sold as an antiseptic, or as iodine tri-chloride (claiming to be atomized), or as added to potassium iodine (such as in the Pill form). It is also unlike glandular or prescriptions containing hormones that take over the thyroid's job, vs. nutritionally building the thyroid to work on its own. 

Seaweed, seafood, greens, raw sunflower seeds are good sources of iodine, but may not have the levels necessary to support the thyroid fully and iodine sources from seaweed may contain undesirable levels of arsenic and bromine. 

Nascent Iodine supports the thyroid rather than replacing thyroid function. For more information on how to reset the thyroid, download for FREE 

“Thyroid Reset Protocol” below.



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