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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Testosterone Blood Test Results - Time of Day?
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<blockquote data-quote="madman" data-source="post: 224483" data-attributes="member: 13851"><p>Natural endogenous testosterone secretion is pulsatile and diurnal (24 hr circadian rhythm).</p><p></p><p>Testing should be done in a fasted state between 7-10 am as we want to test at peak.</p><p></p><p><strong><em>*Testosterone levels decline after a meal or glucose</em></strong></p><p></p><p>I would go for bloodwork between 7-8 am.</p><p></p><p>Blood work should never be done in the late afternoon/early evening when levels will be lower as nadir (lowest point) would be around 6-8 pm.</p><p></p><p>Fluctuations from peak--->trough would be around 20-25%</p><p></p><p></p><p>[URL unfurl="true"]https://www.excelmale.com/forum/threads/improving-diagnostic-accuracy-and-treatment-decisions-in-men-with-hypogonadism.24968/[/URL]</p><p>[ATTACH=full]22035[/ATTACH]</p><p>[ATTACH=full]22036[/ATTACH]</p><p>[ATTACH=full]22037[/ATTACH]</p><p>[ATTACH=full]22038[/ATTACH]</p><p></p><p></p><p>Keep in mind that dysfunction (thyroid/adrenals) can mimic symptoms of low-t.</p><p></p><p>Always use the same lab/same assays (most accurate) when getting let alone comparing bloodwork.</p><p></p><p>I would retest again between 7-8 am and it is critical that you fast!</p></blockquote><p></p>
[QUOTE="madman, post: 224483, member: 13851"] Natural endogenous testosterone secretion is pulsatile and diurnal (24 hr circadian rhythm). Testing should be done in a fasted state between 7-10 am as we want to test at peak. [B][I]*Testosterone levels decline after a meal or glucose[/I][/B] I would go for bloodwork between 7-8 am. Blood work should never be done in the late afternoon/early evening when levels will be lower as nadir (lowest point) would be around 6-8 pm. Fluctuations from peak--->trough would be around 20-25% [URL unfurl="true"]https://www.excelmale.com/forum/threads/improving-diagnostic-accuracy-and-treatment-decisions-in-men-with-hypogonadism.24968/[/URL] [ATTACH type="full" alt="Screenshot (13309).png"]22035[/ATTACH] [ATTACH type="full" alt="Screenshot (13310).png"]22036[/ATTACH] [ATTACH type="full" alt="Screenshot (13312).png"]22037[/ATTACH] [ATTACH type="full" alt="Screenshot (13313).png"]22038[/ATTACH] Keep in mind that dysfunction (thyroid/adrenals) can mimic symptoms of low-t. Always use the same lab/same assays (most accurate) when getting let alone comparing bloodwork. I would retest again between 7-8 am and it is critical that you fast! [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Testosterone Blood Test Results - Time of Day?
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