В the relationship between igf-1 levels and health is somewhat complicated. Excessively low or high igf-1 levels could lead to health problems. In adults, a high igf-1 level is linked to accelerated aging and an increased risk of cancer and premature death. 1-5 maintaining a relatively low igf-1 level throughout most of ones adult life is thought to be an important factor by which.
In particular, igf-1 plasma levels have been shown in several studies to be an independent diagnostic tool in adult growth hormone deficiency (aghd). Many endocrinology studies link low igf-1 plasma levels with low levels of other anterior pituitary hormones (i.).
Insulin-like growth factor-1 (igf-1) is a hormone that, along with growth hormone (gh), helps promote normal bone and tissue growth and development.
Igf-1 excesses and deficiencies mirrors those of gh, but its level does not fluctuate during the day as does gh which makes it a useful indicator of average gh levels. Like gh, igf-1 levels are normally low in early childhood, increase gradually during childhood, peak during puberty, and then decline in adult life.
This test measures the amount of insulin-like growth factor-1 (igf-1) in your blood. Its main job is to regulate the effects of growth hormone (gh) in your body. Normal igf-1 and gh functions include tissue and bone growth.
Below are listed the normal blood levels of igf-1, testosterone, the estrogens, estradiol, estriol, estrone, progesterone, and dhea. Please note, all hormones decrease with age so most of the levels listed below are what modern western medicine considers normal for age.
Igf-1 is an anabolic peptide hormone its role involves stimulating growth of cells and tissues, including muscles and bone. Igf-1 possesses both beneficial effects, including fighting the effects of aging, but also some potentially harmful ones, too.
Serum igf-1 plays an important role in the evaluation of growth hormone (gh) deficiency and excess in adults. With respect to acromegaly, normal serum igf-1 makes this diagnosis unlikely (1), whereas elevated igf-1 is a suspicion of this condition, even when gh nadir is 1 gl after an oral glucose overload (2,3).
In 1,833 adults aged 51 and older, those with higher igf-1 levels had more muscle mass, higher bone density and stronger grip strength.