According to Dr. Ray Peat looking at symptoms as well as measuring body temperature and pulse rate can give a good indication of your thyroid function.
Below you find a list of some of the symptoms, which are connected to low thyroid function. Instructions and tables are also given for measuring your pulse and temperature.
If you have several of the symptoms listed and your body temperature and pulse rate are consistently significantly below 98.6°F (37 °C) and 85 beats per minute, you might have a problem with your thyroid function.
In BiochemNordic’s health program you can learn much more about thyroid function and how to support it.