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  1. 02-08-2014, 04:48 PM #1
    sparverius
    sparverius is offline Junior Member
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    Age-appropriate normal T numbers

    We all know that the so-called "normal" range of 241-827 or 300-1100 or even 129-767 is useless for diagnostic purposes as T levels naturally decline with age. What's normal for a healthy 75 year old would be low for a 25 year old.

    Here's a couple studies that give average and standard deviations for healthy men in age groups.

    Normal Testosterone Levels in Men by Age - Free and Total Healthy Male Ranges
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  2. 02-08-2014, 09:49 PM #2
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    61er
    61er is offline Junior Member
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    Interesting data. The drop off with age is smaller than I realized (large sample study).
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  3. 02-08-2014, 09:57 PM #3
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    kelkel
    kelkel is offline HRT Specialist ~ AR-Platinum Elite-Hall of Famer ~ No Source Checks
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    I've seen that and to me the most interesting part is the slow elevation in SHBG levels as we age.
    Bring on the Vit D.
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  4. 02-08-2014, 10:54 PM #4
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    2Sox
    2Sox is offline Knowledgeable Member
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    Quote Originally Posted by sparverius View Post
    What's normal for a healthy 75 year old would be low for a 25 year old.
    I'll take the levels of what's "normal" for a twenty five year old any day.
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