Normal Hormone Levels
Below are listed normal levels of IGF-1, testosterone, estrogens, estradiol, estriol, estrone, and progesterone.
Please note, all hormones decrease with age so the levels listed below are what modern western medicine considers "normal for age". These normal ranges take into account the fact that without intervention the hormone levels in the body will continue to decline with age. Of course the decrease of these important hormones as we age plays a major role in the physical effects of aging.
Rather than focus on what is considered normal for age we in anti-aging and functional medicine aim for the hormone levels that are required in order for the body to function optimally. This usually means having a level that is at the mid to high end of the normal ranges below.
IGF-1 Levels Used For Checking HGH
Once released by the pituitary gland human growth hormone remains in the bloodstream for only a few minutes before being taken in by the liver. For this reason measuring an accurate HGH blood level requires an involved and time consuming stimulation test that has certain risk factors.
Because IGF-1 is released in response to HGH and it remains stable in the blood longer it is the test normally used in adults.
Please note: The reference ranges at different labs may vary and may be different than the ranges posted here. Your own lab report should show the correct ranges for your specific tests.
OTHER HORMONE and
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