Normal Hormone Levels

Below are listed normal levels of IGF-1, testosterone, estrogen, and progesterone.

Please note, all hormones decrease with age so the levels listed below are what modern Western medicine considers "normal for age".

The decrease of these important hormones as we age plays a major role in bringing on the effects of aging.

IGF-1 levels reflect the amount of human growth hormone (the hormone of youth) in the body.

 

IGF-1 Levels (Somatomedin C)
Age	Male (ng/ml)	Female (ng/ml)
2 months - 5 years	17-248	17-248
6 - 8 years	88-474	88-474
9 - 11 years	110-565	117-771
12 - 15 years	202-957	261-1096
16 - 24 years	182-780	182-780
25 - 39 years	114-492	114-492
40 - 54 years	90-360	90-360
>55 years	71-290	71-290

 

 

Estrogen
Estrogen in Females	Reference Ranges - pmol/l
Prepubertal	12 -57
Follicular Phase	29-525
Luteal Phase	126-478
Postmenopausal	23-103
Estrogen in Males
Prepubertal	12-55
Adult	38-139

 

 

Progesterone
Progesterone in Females	ng/ml	pmol/l
Follicular Phase	0.3-0.8	0.9-2.3
Luteal Phase	4-20	11.6-58
Progesterone in Males	0/12-0.3	0.3-0.9

 

Testosterone
Testosterone in Males	Reference Range - ng/dl
Age	Range
20-30	280-1205
30-40	350-1010
40-50	255-1025
50-60	255-950
60-70	120-870
70-80	38-850
80-90	28-390
Testosterone in Females
Age	Range
adults	30-95

 

 

 

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