Specialty Test - Reverse T3
Specialty Test - Reverse T3
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The Reverse T3 test measures the level of reverse triiodothyronine (rT3) in your blood, a hormone that can indicate how your body is responding to stress and illness. Unlike Free T3, which is active, rT3 is an inactive form that can block the effects of T3. High levels of rT3 may suggest that your body is in a state of stress or illness, affecting metabolism and energy levels. This test is especially beneficial for individuals experiencing unexplained fatigue, weight gain, or thyroid dysfunction symptoms, providing deeper insights into how your body regulates thyroid hormones under stress.
Reasons to Check It:
Reasons to Check It:
"Reverse T3 is a competitor with free T3. It binds to the same cell receptor site as free T3 but since it is not active, it doesn't do anything but prevent free T3 from working. I call it a get in the way hormone that allows the body to self-regulate.
The problem is there are multiple conditions that fool the body into making more Reverse T3 than it should. Some of these conditions are very common including stress, illness, and even pain." - Dr. Alan Hopkins
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